IP Library › Granted Patent US 7,255,376

Granted Patent B2

US 7,255,376 · App. 10/491,977 · Granted Aug 14, 2007

Pressure sensing dead bolt

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Quick Facts

Patent No.: US 7,255,376
App. No.: 10/491,977
Granted: Aug 14, 2007
Kind: B2

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Abstract

An apparatus, system and method including a latching device for displaceably retaining a panel relative to a frame. The latching device includes at least a bolt which is carried on the latching device and is operatively associated with the panel to prevent disengagement of the panel. The latching device includes at least one pressure responsive device operatively coupled to the bolt to retain the bolt in a desired position and release the bolt when a predetermined pressure differential occurs relative to two, generally opposite, sides of the panel or when a pressure decrease occurs on one side of the panel.

Claims (105)

1. A dead bolt latching device for displaceably retaining a panel relative to a frame, the dead bolt latching device comprising:

a latch body attachable to at least one of a panel and a frame;

a dead bolt assembly displaceably carried on the latch body;

a portion of the dead bolt assembly abutting a portion of the other of a panel and a frame for preventing displacement of a panel from a frame;

a pressure responsive device for detecting an air pressure differential, said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure differential and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal; and

the pressure responsive device being coupled with the dead bolt assembly for responsively operating the dead bolt assembly in response to an air pressure differential to allow relative movement between a panel and a frame.

2. The dead bolt latching device of claim 1 , wherein the dead bolt assembly includes a dead bolt which is pivotably retained relative to the latch body.

3. The dead bolt latching device of claim 1 , wherein the pressure responsive device is carried on the latch body.

4. The dead bolt latching device of claim 1 , wherein the pressure responsive sensing device includes means for detecting a first pressure and means for detecting a second pressure, the pressure responsive device operating in response to a differential between the first pressure and the second pressure.

5. The dead bolt latching device of claim 1 , wherein the pressure responsive sensing device includes a pressure responsive diaphragm operatively retained in a pressure responsive chamber the chamber including a first opening communicating with a first volume and a second opening communicating with a second volume, a pressure differential between the first volume and second volume acting on the pressure responsive diaphragm in the chamber.

6. The dead bolt latching device of claim 1 , where in the pressure responsive sensing device includes a pneumatic piston, operatively retained in a piston chamber, the chamber including a first opening communicating with a first volume and a second opening communicating with a second volume, a pressure differential between the first volume and second volume operating the piston in the chamber.

7. A dead bolt latching device for displaceably retaining a panel relative to a frame, the dead bolt latching device comprising:

a latch body attachable to at least one of a panel and a frame;

a dead bolt pivotably carried on the latch body;

a portion of the dead bolt extendable from the latch body for abutting a portion of the other of a panel and a frame to prevent displacement of a panel from a frame; and

a pressure responsive device responsive to at least one of a pressure differential between two sides of a panel and a decrease in pressure on one side of a panel, said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure differential and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal to allow relative movement between a panel and a frame.

8. The dead bolt latching device of claim 7 , wherein the pressure responsive sensing device includes means for detecting a first pressure and means for detecting a second pressure, the pressure responsive device operating in response to a differential between the first pressure and the second pressure.

9. The dead bolt latching device of claim 7 , wherein the pressure responsive device is carried on the latch body.

10. The dead bolt latching device of claim 7 , where in the pressure responsive sensing device includes a pneumatic piston operatively retained in a piston chamber, the chamber including a first opening communicating with a first volume and a second opening communicating with a second volume, a pressure differential between the first volume and second volume operating the piston in the chamber.

11. The dead bolt latching device of claim 7 , where in the pressure responsive sensing device includes a pressure responsive diaphragm operatively retained in a pressure responsive chamber, the chamber including a first opening communicating with a first volume and a second opening communicating with a second volume, a pressure differential between the first volume and second volume acting on the pressure responsive diaphragm in the chamber.

12. The dead bolt latching device of claim 7 , wherein the pressure responsive sensing device includes an electrical pressure sensing device and a moving device coupled to the electrical pressure sensing device, the electrical pressure sensing device communicating with a first volume having a first pressure and a second volume having a second pressure.

13. A dead bolt latching system for displaceably retaining a plurality of panels relative to a frame, the dead bolt latching system comprising:

at least one dead bolt latching device operatively associated with each of the plurality of the panels, the dead bolt latching device retaining the corresponding panel in position relative to the frame;

a dead bolt displaceably carried on the dead bolt latching device, the dead bolt being operatively associated with the corresponding panel;

each of the dead bolt latching devices including at least one pressure responsive device operatively coupled to the corresponding dead bolt , said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure differential and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal; and

the pressure responsive device responding to a pressure detection and disengaging the dead bolt from the panel upon the development of a predetermined degree of pressure.

14. The dead bolt latching device of claim 13 , wherein the pressure responsive device is carried on the latch body.

15. The dead bolt latching device of claim 13 , wherein the pressure responsive device is separate from the latch body.

16. The dead bolt latching device of claim 13 , wherein the pressure responsive sensing device includes a pressure responsive diaphragm, operatively retained in a pressure responsive chamber, the chamber including a first opening communicating with a first volume and a second opening communicating with a second volume, a pressure differential between the first volume and second volume acting on the pressure responsive diaphragm in the chamber.

17. The dead bolt latching system of claim 13 , wherein the pressure responsive sensing device includes means for detecting a first pressure and means for detecting a second pressure, the pressure responsive device operating in response to a differential between the first pressure and the second pressure.

18. The dead bolt latching device of claim 13 , where in the pressure responsive sensing device includes a pneumatic piston, operatively retained in a piston chamber, the chamber including a first opening communicating with a first volume and a second opening communicating with a second volume, a pressure differential between the first volume and second volume operating the piston in the chamber.

19. The dead bolt latching system of claim 13 , wherein the pressure responsive sensing device includes an electrical pressure sensing device and a moving device coupled to the electrical pressure sensing device, the electrical pressure sensing device communicating with a first volume having a first pressure and a second volume having a second pressure.

20. The dead bolt latching system of claim 13 , wherein each pressure responsive device includes means for detecting a first pressure and means for detecting a second pressure, each pressure responsive device operating in response to a differential between the first pressure and the second pressure, the degree of pressure differential being different for each pressure responsive device.

21. A dead bolt latch mechanism for releasably retaining a first structure relative to a second structure, the latch mechanism comprising:

a latch body attachable to at least one of a first structure and a second structure;

a dead bolt assembly displaceably carried on said latch body, said dead bolt assembly including a dead bolt;

a portion of the dead bolt abutting a portion of the other of the first structure and the second structure for preventing displacement of the first structure from the second structure under a predetermined range of force loads;

a pressure responsive device for detecting an air pressure, said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure differential and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal to allow relative movement between a panel and a frame;

a dead bolt engaging member operatively connected to the moving device and moveably displaceable relative to the dead bolt in response to operation of the pressure responsive device; and

a receiving formation on the dead bolt assembly for mechanically engaging a portion of the bolt engaging member to prevent displaceable movement of the dead bolt prior to operation of the pressure responsive device.

22. The dead bolt latch mechanism of claim 21 , wherein the dead bolt is pivotably mounted.

23. The dead bolt latch mechanism of claim 21 , wherein said pressure sensing device includes a moveable element having a first surface and a second surface, the first surface communicating with a first air pressure and the second surface communicating with a second air pressure, the moveable element being displaceable by a pressure difference between the first air pressure and the second air pressure causing movement of the moveable element to controllably.

24. The dead bolt latch mechanism of claim 21 , wherein said pressure sensing device includes a piston operatively retained in a pressure responsive chamber, the pressure responsive chamber including a first opening communicating with a first air pressure and a second opening communicating with a second air pressure.

25. The dead bolt latch mechanism of claim 21 , wherein said pressure sensing device includes an electrical pressure sensing device operable to generate an electrical signal upon detection of a pressure differential, said moving device further including an electrical device operable under said signal to move the dead bolt engaging member from a first position to a second position.

26. The dead bolt latch mechanism of claim 21 , wherein the dead bolt engaging member is axially moveable between a first position preventing displaceable movement of the dead bolt and a second position allowing displaceable movement of the dead bolt, said dead bolt engaging member being moveable in response to the pressure responsive device.

27. The dead bolt latch mechanism of claim 21 including a biasing element urging the dead bolt engaging member into a desired position, said biasing element having a desired minimal biasing force resisting movement.

28. A dead bolt latching assembly for releasably retaining a panel relative to a frame, the dead bolt latching assembly comprising:

a dead bolt latch body;

a dead bolt pivotably carried on said dead bolt latch body;

a portion of the dead bolt adapted to for placement in an abutting position with a portion of the other of the panel and the frame to prevent displacement of the panel relative to the frame;

a dead bolt engaging member extending through a passage in said latch body, the dead bolt engaging member being axially moveable from a first position to a second position, said first position aligning the portion of the dead bolt in an abutting position preventing relative movement between the panel and the frame, said second position allowing said portion of the dead bolt to be aligned in a non-abutting position thereby allowing relative movement between the panel and the frame; and

at least one pressure responsive device coupled to said dead bolt engaging member and operative to detect an air pressure differential, said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure differential and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal to moveably displace said dead bolt engaging member to allow relative movement between the panel and the frame.

29. The dead bolt latch mechanism of claim 28 , wherein said pressure sensing device includes an electrical pressure sensing device operable to generate an electrical signal upon detection of the air pressure differential, said moving device further including an electrical device operable under said signal to move the dead bolt engaging member from a first position to a second position.

30. A method for controllably latching a panel relative to a frame, the latching method being responsive to an air pressure differential, the method comprising the steps of:

providing a dead bolt latch assembly operatively associated with a panel and a frame, the dead bolt latch assembly including a pivotable dead bolt operatively associated with at least one of a panel and a frame;

providing at least one pressure responsive device operatively coupled to the bolt to maintain the position of the dead bolt relative to the panel under a first pressure level and to allow rotational movement of the dead bolt under a second pressure level, the pressure responsive device adapted to detect a change in air pressure and being operable under predetermined levels of air pressure, said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure differential and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal;

engaging the at least one of the panel and the frame with the dead bolt;

retaining the bolt in operative engagement with the at least one of the panel and the frame thereby preventing displacement of the panel from the frame under mechanical forces on a surface of the panel;

detecting an air pressure reaching a predetermined pressure level;

operating the pressure responsive device in response to the detected air pressure; and

operating the moving device to disengage the dead bolt from the at least one of the panel and the frame upon development of a predetermined degree or pressure thereby allowing relative movement between the panel and the frame.

31. The method of claim 30 , wherein the step of detecting an air pressure comprises electrically sensing the pressure differential.

32. The method of claim 30 , wherein the pressure sensing device comprises a pneumatic piston.

33. A dead bolt latching mechanism for retaining a panel relative to a frame under physical loads and providing relative movement between a panel and a frame under predetermined air pressure levels, the dead bolt latching mechanism comprising:

a latch body attachable to at least one of a panel and a frame;

a dead bolt displaceably carried on said latch body, said dead bolt rotatable about a pivot point, said dead bolt having a free end adapted to be positioned in an abutting engagement with the other of a panel and a frame to prevent displacement of a panel relative to a frame;

a dead bolt stop element axially moveable through a passage in said latch body, said dead bolt stop element moveable between a first position preventing rotation of said dead bolt to retain the free end in a position of abutment with the other of a panel and a frame to prevent displacement of a panel relative to a frame and a second position allowing the displaceable movement of the dead bolt to a non-abutting position with the other of a panel and a frame to allow displacement of a panel relative to a frame;

a pressure responsive device for detecting an air pressure level, said pressure responsive device coupled to the dead bolt stop element and operable to axially move said dead bolt stop element between said first and second positions upon a detection of a pre-determined air pressure level, said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure differential and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal.

34. The dead bolt latching mechanism of claim 33 , wherein said pressure responsive device includes a pressure sensor operable to generate and electrical signal upon detection of a pressure level, said pressure responsive device further including a signal-responsive device operable to moveably displace the dead bolt stop element.

35. A dead bolt latching device for displaceably retaining a panel relative to a frame, the latching device comprising:

a latch housing attachable to at least one of a panel and a frame;

a bolt pivotably carried on the latch housing;

a portion of the bolt extending from the latch housing for abutting a portion of the other of a panel and a frame to prevent displacement of a panel from a frame;

an electrical pressure responsive device operable in responsive to a detection of pressure; a bolt shaft movable from a first position contacting said bolt and a second position of non-contact with said bolt, said bolt shaft being connected to the pressure responsive device and being axially displaceable in response to the pressure responsive device between a first position preventing pivotable movement of the bolt and a second position allowing pivotable movement of the bolt;

a portion of the housing defining a passage, the bolt shaft extending axially through the passage; and

a structure on the bolt adapted to mechanically contact at least a portion of the bolt shaft to restrict pivotable movement of the bolt when the bolt shaft is in the first position,

wherein the dead bolt latching device prevents forcible displacement of a panel relative to a frame from at least one side of a panel when the bolt is positioned in the first position and allows displacement when in the second position.

36. A pressure responsive latching system for releasably retaining a panel relative to a frame, the latching system comprising:

a latch body attachable to at least one of a panel and a frame, the latch body including a passageway defined therein;

a rotatable dead bolt retained on the latch body, the rotatable dead bolt having a pivot point generally defining a pivot axis, the bolt having a leading edge spaced from the pivot point for abutting contact with the other of a panel and a frame for preventing displacement of a panel relative to a frame;

an electrical pressure responsive device retained on the housing, the pressure responsive device being operable on an electrical signal in response to a detection of a pressure to cause mechanical movement;

a shaft connected to the pressure responsive device and extending through the passageway, the shaft being displaceable in response to the pressure responsive device between a first position mechanically restricting rotation of the bolt and a second position allowing rotation of the bolt;

a shaft contact area on the bolt for mechanically abutting the shaft when the shaft is located in the first position to prevent rotation of the bolt;

a pressure detector coupled to the electrical pressure responsive device that generates the electrical signal,

37. A latching system operable in response to a pressure change, the latch system comprising:

a frame structure having a first portion and a second portion;

a panel having a first side and an opposed second side, the panel including a free end and a movably retained second end;

a retaining structure that attaches the movably retained second end to the second portion of the frame structure;

a latching mechanism to retain the panel in a closed position relative to the frame structure, the latching mechanism including a latch body attachable to one of the panel and the frame structure, a portion of the latch body defining a passage;

a bolt carried on the latch body and pivotable about a pivot axis, a portion of the bolt for abutting a portion of the other of the panel and the frame structure;

a pressure sensing device operable to detect a pressure and generate an electrical signal;

a pressure responsive device operable upon receipt of a control signal;

a controller to receive the electrical signal and communicate the control signal to the pressure responsive device to operate the pressure responsive device; and

a bolt shaft coupled to the pressure responsive device and positioned to extend through the passage, the bolt shaft being displaceable upon operation of the pressure responsive device between a first position limiting pivotable motion of the bolt and a second position allowing pivotable motion of the bolt.

38. A method for controllably latching a panel relative to a frame, the latching method being responsive to a pressure detected to disengage a dead bolt from the panel upon the development of a predetermined degree of pressure, the method comprising the steps of:

providing a dead bolt latching device operatively associated with a panel;

providing a dead bolt displaceably carried on the dead bolt latching device, the dead bolt being operatively associated with a panel;

providing a pressure responsive device operatively coupled to the dead bolt, said pressure responsive device including a pressure sensing device operative to generate an electrical signal upon detection of an air pressure and a moving device coupled to the pressure sensing device, said moving device being operably moveable under said electrical signal;

engaging the dead bolt with a panel;

retaining the dead bolt in engagement with a panel;

detecting a pressure;

operating the pressure responsive device in response to the pressure according to a predetermined pressure level;

disengaging the dead bolt from a panel upon development of the predetermined pressure level; and

displacing a panel relative to a frame upon disengagement of the dead bolt on a panel.

Assignments (20)

SECURITY INTEREST Recorded Aug 26, 2025

From: TRANSDIGM INC.; 17111 WATERVIEW PKWY LLC; 4455 GENESEE PROPERTIES, LLC; 4455 GENESEE STREET, LLC; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE ACQUISITION, INC.; AIRBORNE GLOBAL, INC.; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NA INC.; AIRBORNE SYSTEMS NORTH AMERICA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF CA INC.; AMSAFE GLOBAL HOLDINGS, INC.; AMSAFE, INC.; ANGUS ELECTRONICS CO.; APICAL INDUSTRIES, INC.; ARKWIN INDUSTRIES, INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC COUNTERMEASURES TNO CO.; ARMTEC DEFENSE PRODUCTS CO.; ASHFORD PROPERTIES, LLC; AUXITROL WESTON USA, INC.; AVIATION TECHNOLOGIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BETA TRANSFORMER TECHNOLOGY LLC; BREEZE-EASTERN LLC; BRIDPORT HOLDINGS, INC.; BRIDPORT-AIR CARRIER, INC.; BRUCE AEROSPACE INC.; CALSPAN, LLC; CALSPAN AIR FACILITIES, LLC; CALSPAN AIR SERVICES, LLC; CALSPAN ASE PORTUGAL, INC.; CALSPAN HOLDINGS, LLC; CALSPAN JETS LLC; CALSPAN TECHNOLOGY ACQUISITION LLC; CDA INTERCORP LLC; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; CHELTON AVIONICS HOLDINGS, INC.; CHELTON AVIONICS, INC.; CHELTON DEFENSE PRODUCTS, INC.; CMC ELECTRONICS AURORA LLC; CPI EDB INTERMEDIATE HOLDINGS, INC.; CPI ELECTON DEVICE BUSINESS, INC.; CTHC LLC; DART AEROSPACE USA, INC.; DART BUYER, INC.; DART HELICOPTER SERVICES, INC.; DART INTERMEDIATE, INC.; DART TOPCO, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; ESTERLINE EUROPE COMPANY LLC; ESTERLINE INTERNATIONAL COMPANY; ESTERLINE TECHNOLOGIES CORPORATION; ESTERLINE TECHNOLOGIES SGIP LLC; FPT INDUSTRIES LLC; GENESEE HOLDINGS, LLC; GENESEE HOLDINGS II, LLC; GENESSE HOLDINGS III, LLC; HARCOSEMCO LLC; HARTWELL CORPORATION; HELI TECH, INC.; HYTEK FINISHES CO.; ICEMAN HOLDCO, INC.; ILC HOLDINGS, INC.; JANCO CORPORATION; JOHNSON LIVERPOOL LLC; KING NUTRONICS, LLC; KIRKHILL INC.; KORRY ELECTRONICS CO.; LEACH HOLDING CORPORATION; LEACH INTERNATIONAL CORPORATION; LEACH MEXICO HOLDING LLC; LEACH TECHNOLOGY GROUP, INC.; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; MCKECHNIE AEROSPACE DE, INC.; MCKECHNIE AEROSPACE HOLDINGS, INC.; MCKECHNIE AEROSPACE US LLC; MEDTHERM LABS, LLC; MICROWAVE POWER PRODUCTS, INC.; NAT SEATTLE INC.; NMC GROUP, INC.; NORDISK AVIATION PRODUCTS LLC; NORTH HILLS SIGNAL PROCESSING CORP.; NORTH HILLS SIGNAL PROCESSING OVERSEAS LLC; NORWICH AERO PRODUCTS, INC.; OFFSHORE HELICOPTER SUPPORT SERVICES, INC.; PALOMAR PRODUCTS, INC.; PARAVION TECHNOLOGY, INC.; PEXCO AEROSPACE, INC.; PNEUDRAULICS, INC.; POWER DEVICE CORPORATION; RAPTOR LABS HOLDCO, LLC; RAPTOR LABS INTERMEDIATE, LLC; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SENSOR CONCEPTS, LLC; SERVOTRONICS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; SKANDIA, INC.; SKURKA AEROSPACE INC.; SPACE ELECTRONICS LLC; SYMETRICS INDUSTRIES, LLC; TA AEROSPACE CO.; TACTIAR FLUID CONTROLS, INC.; TDG ESL HOLDINGS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR US LLC; TESTVONICS, INC.; TEXAS ROTRONICS, INC.; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; BRIDPORT ERIE AVIATION, INC.; TRANSDIGM GROUP INCORPORATED; TRANSDIGM UK HOLDINGS LIMITED

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE

Reel/Frame 072473/0485 →

SECURITY INTEREST Recorded Sep 20, 2024

From: TRANSDIGM GROUP INCORPORATED; TRANSDIGM INC.; TRANSDIGM UK HOLDINGS LIMITED; 17111 WATERVIEW PKWY LLC; 4455 GENESEE STREET, LLC; 4455 GENESEE PROPERTIES, LLC; 703 CITY CENTER BOULEVARD, LLC; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE ACQUISITION, INC.; AIRBORNE GLOBAL, INC.; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NA INC.; AIRBORNE SYSTEMS NORTH AMERICA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF CA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE, INC.; AMSAFE GLOBAL HOLDINGS, INC.; ANGUS ELECTRONICS CO.; APICAL INDUSTRIES, INC.; ARKWIN INDUSTRIES, INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC COUNTERMEASURES TNO CO.; ARMTEC DEFENSE PRODUCTS CO.; ASHFORD PROPERTIES, LLC; AUXITROL WESTON USA, INC.; AVIATION TECHNOLOGIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BETA TRANSFORMER TECHNOLOGY LLC; BREEZE-EASTERN LLC; BRIDPORT HOLDINGS, INC.; BRIDPORT-AIR CARRIER, INC; BRIDPORT ERIE AVIATION, INC.; BRUCE AEROSPACE, INC.; CALSPAN AERO SYSTEMS ENGINEERING LLC; CALSPAN AIR FACILITIES, LLC; CALSPAN AIR SERVICES, LLC; CALSPAN ASE PORTUGAL, INC.; CALSPAN HOLDINGS, LLC; CALSPAN, LLC; CALSPAN JETS LLC; CALSPAN SYSTEMS LLC; CALSPAN TECHNOLOGY ACQUISITION LLC; CDA INTERCORP LLC; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; CHELTON AVIONICS, INC.; CHELTON AVIONICS HOLDINGS, INC.; CHELTON DEFENSE PRODUCTS, INC.; CMC ELECTRONICS AURORA LLC; CPI INTERMEDIATE HOLDINGS, INC.; CPI INTERNATIONAL, INC.; CPI SUBSIDIARY HOLDINGS LLC; CTHC LLC; DART AEROSPACE USA, INC.; DART BUYER, INC.; DART HELICOPTER SERVICES, INC.; DART INTERMEDIATE, INC.; DART TOPCO, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; ESTERLINE EUROPE COMPANY LLC; ESTERLINE INTERNATIONAL COMPANY; ESTERLINE TECHNOLOGIES CORPORATION; ESTERLINE TECHNOLOGIES SGIP LLC; FPT INDUSTRIES LLC; GENESEE HOLDINGS, LLC; GENESEE HOLDINGS II, LLC; GENESEE HOLDINGS III, LLC; HARCOSEMCO LLC; HARTWELL CORPORATION; HELI TECH, INC.; HYTEK FINISHES CO.; ICEMAN HOLDCO, INC.; ICEMAN INTERMEDIATE MIDCO, LLC; ILC HOLDINGS, INC.; JANCO CORPORATION; JOHNSON LIVERPOOL LLC; KIRKHILL INC.; KING NUTRONICS, LLC; KORRY ELECTRONICS CO.; LEACH HOLDING CORPORATION; LEACH INTERNATIONAL CORPORATION; LEACH MEXICO HOLDING LLC; LEACH TECHNOLOGY GROUP, INC.; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; MCKECHNIE AEROSPACE DE, INC.; MCKECHNIE AEROSPACE HOLDINGS, INC.; MCKECHNIE AEROSPACE US LLC; MEDTHERM LABS, LLC; MICROWAVE POWER PRODUCTS, INC.; NAT SEATTLE INC.; NMC GROUP INC.; NORDISK AVIATION PRODUCTS LLC; NORTH HILLS SIGNAL PROCESSING CORP.; NORTH HILLS SIGNAL PROCESSING OVERSEAS LLC; NORWICH AERO PRODUCTS, INC.; OFFSHORE HELICOPTER SUPPORT SERVICES, INC.; PALOMAR PRODUCTS, INC.; PARAVION TECHNOLOGY, INC.; PEXCO AEROSPACE, INC.; POWER DEVICE CORPORATION; PNEUDRAULICS, INC.; RAPTOR LABS HOLDCO, LLC; RAPTOR LABS INTERMEDIATE, LLC; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SENSOR CONCEPTS, LLC; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; SKANDIA, INC.; SKURKA AEROSPACE INC.; SPACE ELECTRONICS LLC; SYMETRICS INDUSTRIES, LLC; TA AEROSPACE CO.; TACTAIR FLUID CONTROLS INC.; TDG ESL HOLDINGS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR US LLC; TESTVONICS, INC.; TEXAS ROTRONICS, INC.; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.

Reel/Frame 068951/0001 →

RELEASE OF PATENT SECURITY AGREEMENT RECORDED FEBRUARY 19, 2019 AT REEL/FRAME 048365/0499 Recorded Jun 6, 2024

From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE

To: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; AEROSONIC LLC; MOUNTAINTOP TECHNOLOGIES, INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; SHIELD RESTRAINT SYSTEMS, INC.; AMSAFE, INC.; ARKWIN INDUSTRIES, INC.; AVIONIC INSTRUMENTS, INC.; AEROSONIC CORPORATION; AVTECHTYEE, INC.; BREEZE-EASTERN LLC; BRUCE AEROSPACE INC.; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; PURE TECHNOLOGIES LTD.; HARCO LABORATORIES, INC.; HARCO LLC; HARCO TECHNOLOGIES CORPORATION; CORRPRO COMPANIES, INC.; HARCO CORPORATION; HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PNEUDRAULICS, INC.; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; TACTAIR FLUID CONTROLS, INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR INTERNATIONAL GMBH; TELAIR INTERNATIONAL AB; NORDISK AVIATION PRODUCTS AS; TURNTIME TECHNOLOGIES AB; AEROCONTROLEX GROUP, INC.; TRANSICOIL INC.; SOUTHCO, INC.; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC COUNTERMEASURES CO.; ADVANCED INPUT DEVICES, INC.; ARMTEC DEFENSE PRODUCTS COMPANY; JOSLYN SUNBANK COMPANY LLC; LEACH INTERNATIONAL CORPORATION; SOURIAU USA, INC.; NMC GROUP, INC.; TA AEROSPACE CO.; MASON ELECTRIC CO.; KORRY ELECTRONICS CO.; PALOMAR PRODUCTS, INC.; ROLLS-ROYCE PLC; MEMTRON TECHNOLOGIES CO.; CHELTON, INC. (N/K/A CHELTON AVIONICS, INC.); SIMPLEX MANUFACTURING CO.; APICAL INDUSTRIES, INC.; AERO-INSTRUMENTS CO., LLC; AIRBORNE SYSTEMS NA, INC.; HARCOSEMCO LLC; HARCO, LLC (N/K/A HARCOSEMCO LLC); PEXCO AEROSPACE, INC.; TELAIR US LLC; CALSPAN AERO SYSTEMS ENGINEERING, INC.; CALSPAN SYSTEMS, LLC; ADAMS RITE AEROSPACE, INC.; ACME AEROSPACE, INC.; SCHNELLER, INC.; CEF INDUSTRIES, INC.

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SECURITY INTEREST Recorded Mar 1, 2024

From: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; TRANSDIGM UK HOLDINGS LIMITED; 17111 WATERVIEW PKWY LLC; 4455 GENESEE STREET, LLC; 4455 GENESEE PROPERTIES, LLC; 703 CITY CENTER BOULEVARD, LLC; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE ACQUISITION, INC.; AIRBORNE GLOBAL, INC.; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NA INC.; AIRBORNE SYSTEMS NORTH AMERICA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF CA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE, INC.; AMSAFE GLOBAL HOLDINGS, INC.; ANGUS ELECTRONICS CO.; APICAL INDUSTRIES, INC.; ARKWIN INDUSTRIES, INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC COUNTERMEASURES TNO CO.; ARMTEC DEFENSE PRODUCTS CO.; ASHFORD PROPERTIES, LLC; AUXITROL WESTON USA, INC.; AVIATION TECHNOLOGIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BETA TRANSFORMER TECHNOLOGY LLC; BREEZE-EASTERN LLC; BRIDPORT HOLDINGS, INC.; BRIDPORT-AIR CARRIER, INC; BRIDPORT ERIE AVIATION, INC.; BRUCE AEROSPACE, INC.; CALSPAN AERO SYSTEMS ENGINEERING LLC; CALSPAN AIR FACILITIES, LLC,; CALSPAN AIR SERVICES, LLC; CALSPAN ASE PORTUGAL, INC.; CALSPAN HOLDINGS, LLC; CALSPAN, LLC; CALSPAN SYSTEMS LLC; CALSPAN TECHNOLOGY ACQUISITION LLC; CDA INTERCORP LLC; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; CHELTON AVIONICS, INC.; CHELTON AVIONICS HOLDINGS, INC.; CHELTON DEFENSE PRODUCTS, INC.; CMC ELECTRONICS AURORA LLC; CTHC LLC; DART AEROSPACE USA, INC.; DART BUYER, INC.; DART HELICOPTER SERVICES, INC.; DART INTERMEDIATE, INC.; DART TOPCO, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; ESTERLINE EUROPE COMPANY LLC; ESTERLINE INTERNATIONAL COMPANY; ESTERLINE TECHNOLOGIES CORPORATION; ESTERLINE TECHNOLOGIES SGIP LLC; GENESEE HOLDINGS, LLC; GENESEE HOLDINGS II, LLC; GENESEE HOLDINGS III, LLC; HARCOSEMCO LLC; HARTWELL CORPORATION; HELI TECH, INC.; HYTEK FINISHES CO.; ILC HOLDINGS, INC.; JANCO CORPORATION; JOHNSON LIVERPOOL LLC; KIRKHILL INC.; KORRY ELECTRONICS CO.; LEACH HOLDING CORPORATION; LEACH INTERNATIONAL CORPORATION; LEACH MEXICO HOLDING LLC; LEACH TECHNOLOGY GROUP, INC.; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; MCKECHNIE AEROSPACE DE, INC.; MCKECHNIE AEROSPACE HOLDINGS, INC.; MCKECHNIE AEROSPACE US LLC; NAT SEATTLE INC.; NMC GROUP INC.; NORDISK AVIATION PRODUCTS LLC; NORTH HILLS SIGNAL PROCESSING CORP.; NORTH HILLS SIGNAL PROCESSING OVERSEAS LLC; NORWICH AERO PRODUCTS, INC.; OFFSHORE HELICOPTER SUPPORT SERVICES, INC.; PALOMAR PRODUCTS, INC.; PARAVION TECHNOLOGY, INC.; PEXCO AEROSPACE, INC.; POWER DEVICE CORPORATION; PNEUDRAULICS, INC.; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; SKANDIA, INC.; SKURKA AEROSPACE INC.; SYMETRICS INDUSTRIES, LLC; TA AEROSPACE CO.; TACTAIR FLUID CONTROLS INC.; TDG ESL HOLDINGS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR US LLC; TEXAS ROTRONICS, INC.; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE AND NOTES COLLATERAL AGENT

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SECURITY INTEREST Recorded Mar 1, 2024

From: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; TRANSDIGM UK HOLDINGS LIMITED; 17111 WATERVIEW PKWY LLC; 4455 GENESEE STREET, LLC; 4455 GENESEE PROPERTIES, LLC; 703 CITY CENTER BOULEVARD, LLC; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE ACQUISITION, INC.; AIRBORNE GLOBAL, INC.; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NA INC.; AIRBORNE SYSTEMS NORTH AMERICA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF CA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE, INC.; AMSAFE GLOBAL HOLDINGS, INC.; ANGUS ELECTRONICS CO.; APICAL INDUSTRIES, INC.; ARKWIN INDUSTRIES, INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC COUNTERMEASURES TNO CO.; ARMTEC DEFENSE PRODUCTS CO.; ASHFORD PROPERTIES, LLC; AUXITROL WESTON USA, INC.; AVIATION TECHNOLOGIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BETA TRANSFORMER TECHNOLOGY LLC; BREEZE-EASTERN LLC; BRIDPORT HOLDINGS, INC.; BRIDPORT-AIR CARRIER, INC; BRIDPORT ERIE AVIATION, INC.; BRUCE AEROSPACE, INC.; CALSPAN AERO SYSTEMS ENGINEERING LLC; CALSPAN AIR FACILITIES, LLC; CALSPAN AIR SERVICES, LLC; CALSPAN ASE PORTUGAL, INC.; CALSPAN HOLDINGS, LLC; CALSPAN, LLC; CALSPAN SYSTEMS LLC; CALSPAN TECHNOLOGY ACQUISITION LLC; CDA INTERCORP LLC; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; CHELTON AVIONICS, INC.; CHELTON AVIONICS HOLDINGS, INC.; CHELTON DEFENSE PRODUCTS, INC.; CMC ELECTRONICS AURORA LLC; CTHC LLC; DART AEROSPACE USA, INC.; DART BUYER, INC.; DART HELICOPTER SERVICES, INC.; DART INTERMEDIATE, INC.; DART TOPCO, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; ESTERLINE EUROPE COMPANY LLC; ESTERLINE INTERNATIONAL COMPANY; ESTERLINE TECHNOLOGIES CORPORATION; ESTERLINE TECHNOLOGIES SGIP LLC; GENESEE HOLDINGS, LLC; GENESEE HOLDINGS II, LLC; GENESEE HOLDINGS III, LLC; HARCOSEMCO LLC; HARTWELL CORPORATION; HELI TECH, INC.; HYTEK FINISHES CO.; ILC HOLDINGS, INC.; JANCO CORPORATION; JOHNSON LIVERPOOL LLC; KIRKHILL INC.; KORRY ELECTRONICS CO.; LEACH HOLDING CORPORATION; LEACH INTERNATIONAL CORPORATION; LEACH MEXICO HOLDING LLC; LEACH TECHNOLOGY GROUP, INC.; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; MCKECHNIE AEROSPACE DE, INC.; MCKECHNIE AEROSPACE HOLDINGS, INC.; MCKECHNIE AEROSPACE US LLC; NAT SEATTLE INC.; NMC GROUP INC.; NORDISK AVIATION PRODUCTS LLC; NORTH HILLS SIGNAL PROCESSING CORP.; NORTH HILLS SIGNAL PROCESSING OVERSEAS LLC; NORWICH AERO PRODUCTS, INC.; OFFSHORE HELICOPTER SUPPORT SERVICES, INC.; PALOMAR PRODUCTS, INC.; PARAVION TECHNOLOGY, INC.; PEXCO AEROSPACE, INC.; POWER DEVICE CORPORATION; PNEUDRAULICS, INC.; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; SKANDIA, INC.; SKURKA AEROSPACE INC.; SYMETRICS INDUSTRIES, LLC; TA AEROSPACE CO.; TACTAIR FLUID CONTROLS INC.; TDG ESL HOLDINGS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR US LLC; TEXAS ROTRONICS, INC.; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE AND NOTES COLLATERAL AGENT

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SECURITY INTEREST Recorded Nov 29, 2023

From: TRANSDIGM INC.; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE, INC.; APICAL INDUSTRIES, INC.; AVTECHTYEE, INC.; BREEZE-EASTERN LLC; BRUCE AEROSPACE, INC.; CALSPAN AERO SYSTEMS ENGINEERING, INC.; CALSPAN SYSTEMS, LLC; CEF INDUSTRIES, LLC; CHAMPION AEROSPACE LLC; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; HARCO LABORATORIES, INCORPORATED (N/K/A HARCOSEMCO LLC); HARCO, LLC (N/K/A HARCOSEMCO LLC); HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PALOMAR PRODUCTS, INC.; PEXCO AEROSPACE, INC.; SCHNELLER LLC; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; TACTAIR FLUID CONTROLS, INC.; TELAIR INTERNATIONAL LLC (N/K/A NORDISK AVIATION PRODUCTS LLC); TELAIR US LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC DEFENSE PRODUCTS CO.; NMC GROUP, INC.; LEACH INTERNATIONAL CORPORATION; TA AEROSPACE CO.; KORRY ELECTRONICS CO.; MASON ELECTRIC CO.; AIRBORNE SYSTEMS NA INC.; HARCOSEMCO LLC

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE AND NOTES COLLATERAL AGENT

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CORRECTIVE ASSIGNMENT TO CORRECT THE NATURE OF CONVEYANCE PREVIOUSLY RECORDED AT REEL: 064961 FRAME: 0671. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF PATENT AND TRADEMARK SECURITY INTEREST. Recorded Oct 5, 2023

From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS PREDECESSOR COLLATERAL AGENT

To: GOLDMAN SACHS BANK USA, AS SUCCESSOR COLLATERAL AGENT

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ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 20, 2023

From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS PREDECESSOR COLLATERAL AGENT

To: GOLDMAN SACHS BANK USA, AS SUCCESSOR COLLATERAL AGENT

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SECURITY INTEREST Recorded Aug 22, 2023

From: TRANSDIGM INC.; HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PALOMAR PRODUCTS, INC.; PEXCO AEROSPACE, INC.; SCHNELLER LLC; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; TACTAIR FLUID CONTROLS, INC.; TELAIR INTERNATIONAL LLC (N/K/A NORDISK AVIATION PRODUCTS LLC); TELAIR US LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC DEFENSE PRODUCTS CO.; NMC GROUP, INC.; LEACH INTERNATIONAL CORPORATION; TA AEROSPACE CO.; KORRY ELECTRONICS CO.; MASON ELECTRIC, CO.

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE AND NOTES COLLATERAL AGENT

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RELEASE OF SECURITY INTEREST Recorded Apr 19, 2023

From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE

To: TA AEROSPACE CO.; TRANSDIGM, INC.; TRANSDIGM GROUP INCORPORATED; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC CORPORATION; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; AMSAFE COMMERCIAL PRODUCTS INC.; AMSAFE, INC.; ARKWIN INDUSTRIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECH TYEE, INC.; BEAM'S INDUSTRIES; BREEZE EASTERN CORPORATION; BRUCE AEROSPACE, INC.; CEF INDUSTRIES, INC.; CHAMPION AEROSPACE LLC; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; HARCO LABORATORIES, INC.; HARCO LLC; HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PEXCO AEROSPACE, INC.; PNEUDRAULICS, INC.; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; TACTAIR FLUID CONTROLS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR INTERNATIONAL LLC; TRANSCOIL LLC; WESTERN SKY INDUSTRIES, LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC DEFENSE PRODUCTS COMPANY; LEACH INTERNATIONAL CORPORATION; NMC GROUP INC.; MASON ELECTRIC CO.; KORRY ELECTRONICS CO.; PALOMAR PRODUCTS, INC.; CHELTON, INC. (N/K/A CHELTON AVIONICS, INC.); SIMPLEX MANUFACTURING CO.; APICAL INDUSTRIES, INC.

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SECURITY INTEREST Recorded Feb 27, 2023

From: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; 17111 WATERVIEW PKWY LLC; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC; AIRBORNE ACQUISITION, INC.; AIRBORNE GLOBAL, INC.; AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS NA INC.; AIRBORNE SYSTEMS NORTH AMERICA INC.; AIRBORNE SYSTEMS NORTH AMERICA OF CA INC.; AMSAFE GLOBAL HOLDINGS, INC.; AMSAFE, INC.; ANGUS ELECTRONICS CO.; APICAL INDUSTRIES, INC.; ARKWIN INDUSTRIES, INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC COUNTERMEASURES TNO CO.; ARMTEC DEFENSE PRODUCTS CO.; AUXITROL WESTON USA, INC.; AVIATION TECHNOLOGIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BETA TRANSFORMER TECHNOLOGY LLC; BREEZE-EASTERN LLC; BRIDPORT HOLDINGS, INC.; BRIDPORT-AIR CARRIER, INC.; BRUCE AEROSPACE INC.; CDA INTERCORP LLC; CEF INDUSTRIES, LLC; CENTURY HELICOPTERS, INC.; CHAMPION AEROSPACE LLC; CHELTON AVIONICS HOLDINGS, INC.; CHELTON AVIONICS, INC.; CHELTON DEFENSE PRODUCTS, INC.; CMC ELECTRONICS AURORA LLC; DART AEROSPACE USA, INC.; DART BUYER, INC.; DART HELICOPTER SERVICES, INC.; DART INTERMEDIATE, INC.; DART TOPCO, INC.; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; ESTERLINE EUROPE COMPANY LLC; ESTERLINE INTERNATIONAL COMPANY; ESTERLINE TECHNOLOGIES CORPORATION; ESTERLINE TECHNOLOGIES SGIP LLC; HARCOSEMCO LLC; HARTWELL CORPORATION; HELI TECH, INC.; HYTEK FINISHES CO.; ILC HOLDINGS, INC.; JANCO CORPORATION; JOHNSON LIVERPOOL LLC; KIRKHILL INC.; KORRY ELECTRONICS CO.; LEACH HOLDING CORPORATION; LEACH INTERNATIONAL CORPORATION; LEACH MEXICO HOLDING LLC; LEACH TECHNOLOGY GROUP, INC.; MARATHONNORCO AEROSPACE, INC.; MASON ELECTRIC CO.; MCKECHNIE AEROSPACE DE, INC.; MCKECHNIE AEROSPACE HOLDINGS, INC.; MCKECHNIE AEROSPACE US LLC; NAT SEATTLE INC.; NMC GROUP, INC.; NORDISK AVIATION PRODUCTS LLC; NORTH HILLS SIGNAL PROCESSING CORP.; NORTH HILLS SIGNAL PROCESSING OVERSEAS LLC; NORWICH AERO PRODUCTS, INC.; OFFSHORE HELICOPTER SUPPORT SERVICES, INC.; PALOMAR PRODUCTS, INC.; PARAVION TECHNOLOGY, INC.; PEXCO AEROSPACE, INC.; PNEUDRAULICS, INC.; POWER DEVICE CORPORATION; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; SIMPLEX MANUFACTURING CO.; SKANDIA, INC.; SKURKA AEROSPACE INC.; SYMETRICS INDUSTRIES, LLC; TA AEROSPACE CO.; TACTAIR FLUID CONTROLS, INC.; TDG ESL HOLDINGS INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR US LLC; TEXAS ROTRONICS, INC.; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; BRIDPORT ERIE AVIATION, INC.; TRANSDIGM UK HOLDINGS PLC

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE

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PATENT SECURITY AGREEMENT Recorded Apr 9, 2020

From: AIRBORNE SYSTEMS NORTH AMERICA OF NJ INC.; ACME AEROSPACE, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC CORPORATION/LLC; AIRBORNE HOLDINGS, INC.; AMSAFE COMMERCIAL PRODUCTS INC.; AMSAFE, INC.; ARKWIN INDUSTRIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BEAM’S INDUSTRIES; BREEZE-EASTERN CORPORATION; BRUCE AEROSPACE, INC.; CEF INDUSTRIES, INC.; CHAMPION AEROSPACE LLC; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC; HARCO LABORATORIES, INCORPORATED; HARCO LLC; HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PEXCO AEROSPACE, INC.; PNEUDRAULICS, INC.; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC.; TACTAIR FLUID CONTROLS, INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR INTERNATIONAL LLC; TRANSDIGM, INC.; TRANSCOIL LLC; WESTERN SKY INDUSTRIES, LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ARMTEC COUNTERMEASURES CO.; ARMTEC DEFENSE PRODUCTS COMPANY; ARMTEC DEFENSE PRODUCTS CO.; LEACH INTERNATIONAL CORPORATION; NMC GROUP, INC.; TA AEROSPACE CO.; MASON ELECTRIC COMPANY; KORRY ELECTRONICS CO.; PALOMAR PRODUCTS, INC.

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE AND NOTES COLLATERAL AGENT

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SECURITY INTEREST Recorded Feb 19, 2019

From: TRANSDIGM, INC.; ADAMS RITE AEROSPACE, INC.; AEROCONTROLEX GROUP, INC.; AEROSONIC LLC (F/K/A AEROSONIC CORPORATION); AIRBORNE HOLDINGS, INC.; AIRBORNE SYSTEMS OF NORTH AMERICA OF NJ INC.; AMSAFE, INC.; ARKWIN INDUSTRIES, INC.; AVIONIC INSTRUMENTS LLC; AVIONICS SPECIALTIES, INC.; AVTECHTYEE, INC.; BREEZE-EASTERN LLC (F/K/A BREEZE-EASTERN CORPORATION); BRUCE AEROSPACE, INC.; CEF INDUSTRIES, LLC (F/K/A CEF INDUSTRIES, INC.); CHAMPION AEROSPACE LLC; DATA DEVICE CORPORATION; DUKES AEROSPACE, INC.; ELECTROMECH TECHNOLOGIES LLC (F/K/A WESTERN SKY, INDUSTRIES, LLC); HARCOSEMCO LLC (F/K/A HARCO LABORATORIES, INCORPORATED) (F/K/A HARCO LLC); HARTWELL CORPORATION; MARATHONNORCO AEROSPACE, INC.; PEXCO AEROSPACE, INC.; PNEUDRAULICS, INC.; SCHNELLER LLC; SEMCO INSTRUMENTS, INC.; SHIELD RESTRAINT SYSTEMS, INC. (F/K/A AMSAFE COMMERCIAL PRODUCTS INC.) (F/K/A BEAM'S INDUSTRIES, INC.); TACTAIR FLUID CONTROLS, INC.; TEAC AEROSPACE TECHNOLOGIES, INC.; TELAIR INTERNATIONAL LLC; TRANSICOIL LLC; WHIPPANY ACTUATION SYSTEMS, LLC; YOUNG & FRANKLIN INC.; ACME AEROSPACE, INC.

To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.,

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SECURITY AGREEMENT Recorded Feb 16, 2011

From: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; HARTWELL CORPORATION; TYEE AIRCRAFT; WESTERN SKY INDUSTRIES, LLC, A.K.A. TYEE AIRCRAFT; AEROCONTROLEX GROUP, INC.; ADAMS RITE AEROSPACE, INC.; CHAMPION AEROSPACE LLC; MARATHONNORCO AEROSPACE, INC.; BRUCE AEROSPACE INC.; ACME AEROSPACE, INC.

To: CREDIT SUISSE AG, AS ADMINISTRATIVE AND COLLATERAL AGENT

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SECURITY AGREEMENT Recorded Dec 22, 2010

From: TRANSDIGM INC.; TRANSDIGM GROUP INCORPORATED; AEROCONTROLEX GROUP, INC.; ADAMS RITE AEROSPACE, INC.; MARATHONNORCO AEROSPACE, INC.; HARTWELL CORPORATION; WESTERN SKY INDUSTRIES, LLC, A.K.A. TYEE AIRCRAFT

To: CREDIT SUISSE AG, AS ADMINISTRATIVE AND COLLATERAL AGENT

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SECOND LIEN PATENT SECURITY RELEASE Recorded Dec 21, 2010

From: JPMORGAN CHASE BANK, N.A. (AS SUCCESSOR IN INTEREST TO BEAR STEARNS CORPORATE LENDING INC.), AS ADMINISTRATIVE AGENT

To: HARTWELL CORPORATION; WESTERN SKY INDUSTRIES, LLC A.K.A. TYEE AIRCRAFT

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FIRST LIEN PATENT SECURITY RELEASE Recorded Dec 21, 2010

From: JPMORGAN CHASE BANK, N.A. (AS SUCCESSOR IN INTEREST TO BEAR STEARNS CORPORATE LENDING INC.), AS ADMINISTRATIVE AGENT

To: HARTWELL CORPORATION; WESTERN SKY INDUSTRIES, LLC A.K.A. TYEE AIRCRAFT

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SECOND LIEN PATENT SECURITY AGREEMENT Recorded Jul 20, 2007

From: HARTWELL CORPORATION