IP Library Granted Patent US 12693683
Granted Patent B2
US 12693683 · App. 19/009,707 · Granted Jul 28, 2026

Automated aircraft recovery system

Inventors: Cameron Robertson (San Mateo, CA); Joseph Roop (Sunnyvale, CA); Todd Reichert (Mountain View, CA); Damon Vander Lind (Alameda, CA)
Assignee: Kitty Hawk Corporation
G05D1/665B64D17/54B64D17/62B64D17/80B64D45/00G05D1/042G05D1/0808G05D1/46G05D1/81B64D17/725B64D2045/0085B64U70/83
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Quick Facts
Patent No.
US 12693683
App. No.
19/009,707
Granted
Jul 28, 2026
Kind
B2
Abstract

An indication to perform a recovery action, including by deploying a first and second parachute canopy is output. Sensor data, which includes parachute canopy state information associated with the first parachute canopy and the second parachute canopy, is received from a sensor. It is determined, based at least in part on the sensor data, whether to generate a control signal with a value associated with maneuvering the aircraft into a nose-up position. If the parachute canopy state information indicates the first parachute canopy is collapsed and the second is inflated, the control signal is generated with the value associated with maneuvering the aircraft into the nose-up position. A load on the second parachute canopy is reduced if the aircraft is in the nose-up position compared to the aircraft being in a nose-down position. The control signal is output.

Claims (53)

1 . A system, comprising:

a first parachute canopy;

a second parachute canopy, wherein the first parachute canopy and the second parachute canopy are coupled to an aircraft at a point aft of a center of mass of the aircraft; and

a processor configured to:

output an indication to perform a recovery action, including by deploying the first parachute canopy and the second parachute canopy;

receive sensor data from a sensor, wherein the sensor data includes parachute canopy state information associated with the first parachute canopy and the second parachute canopy;

determine, based at least in part on the sensor data, whether to generate a control signal with a value associated with maneuvering the aircraft into a nose-up position, wherein:

in the event the parachute canopy state information indicates the first parachute canopy is collapsed and the second parachute canopy is inflated, the control signal is generated with the value associated with maneuvering the aircraft into the nose-up position; and

a load on the second parachute canopy is reduced in the event the aircraft is in the nose-up position compared to the aircraft being in a nose-down position; and

output the control signal.

2 . The system of claim 1 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the first parachute canopy is smaller than the second parachute canopy.

3 . The system of claim 1 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the first parachute canopy is made of a thicker material than the second parachute canopy.

4 . The system of claim 1 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the first parachute canopy is able to withstand a greater load than the second parachute canopy.

5 . The system of claim 1 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the second parachute canopy is able to deploy faster than the first parachute canopy.

6 . The system of claim 1 , wherein:

the sensor data further includes an aircraft altitude and an aircraft speed; and

the processor is further configured to determine the recovery action based at least in part on the aircraft altitude and the aircraft speed.

7 . The system of claim 1 , wherein:

the sensor data further includes an aircraft altitude and an aircraft speed; and

the processor is further configured to determine the recovery action, including whether to deploy the first parachute canopy or the second parachute canopy first, based at least in part on the aircraft altitude and the aircraft speed.

8 . A method, comprising:

outputting an indication to perform a recovery action, including by deploying a first parachute canopy and a second parachute canopy, wherein the first parachute canopy and the second parachute canopy are coupled to an aircraft at a point aft of a center of mass of the aircraft;

receiving sensor data from a sensor, wherein the sensor data includes parachute canopy state information associated with the first parachute canopy and the second parachute canopy;

determining, based at least in part on the sensor data, whether to generate a control signal with a value associated with maneuvering the aircraft into a nose-up position, wherein:

in the event the parachute canopy state information indicates the first parachute canopy is collapsed and the second parachute canopy is inflated, the control signal is generated with the value associated with maneuvering the aircraft into the nose-up position; and

a load on the second parachute canopy is reduced in the event the aircraft is in the nose-up position compared to the aircraft being in a nose-down position; and

outputting the control signal.

9 . The method of claim 8 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the first parachute canopy is smaller than the second parachute canopy.

10 . The method of claim 8 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the first parachute canopy is made of a thicker material than the second parachute canopy.

11 . The method of claim 8 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the first parachute canopy is able to withstand a greater load than the second parachute canopy.

12 . The method of claim 8 , wherein:

the first parachute canopy is deployed before the second parachute canopy; and

the second parachute canopy is able to deploy faster than the first parachute canopy.

13 . The method of claim 8 , wherein:

the sensor data further includes an aircraft altitude and an aircraft speed; and

the method further includes determining the recovery action based at least in part on the aircraft altitude and the aircraft speed.

14 . The method of claim 8 , wherein:

the sensor data further includes an aircraft altitude and an aircraft speed; and

the method further includes determining the recovery action, including whether to deploy the first parachute canopy or the second parachute canopy first, based at least in part on the aircraft altitude and the aircraft speed.