Runway arrangement
A runway arrangement comprising: a first runway section ( 202 - 1 ) designated as a landing runway section; a second runway section ( 202 - 2 ) designated as a take-off runway section; and a sterile safety area ( 210 ); wherein the first and second runway sections are linked by the sterile safety area ( 210 ); the runway arrangement comprising a missed approach point for aircraft due to land on the first runway section, displaced from the start of the second runway section ( 202 - 2 ) by a distance greater than H/tan θ 1 ; where H is a safe turning height and θ 1 is an angle of ascent following a missed approach; wherein H is greater than 150 m and θ 1 is greater than 2°.
1. A runway arrangement comprising:
a first runway section;
a second runway section; and
a sterile safety area that is designated as not to be used for taxiing;
wherein the first and second runway sections are linked by the sterile safety area, the sterile safety area extending continuously from an end of the first runway section to an end of the second runway section such that the first and second runaway sections do not intersect with each other; and the second runway section extends away from the first runway section at an angle of substantially 0.25-10 degrees to a longitudinal direction of the first runway section.
2. The runway arrangement according to claim 1 wherein the second runway section extends away from the first runway section at an angle of substantially 1-5 degrees to the longitudinal direction of the first runway section.
3. The runway arrangement according to claim 1 wherein the second runway section is laterally offset from the first runway section.
4. The runway arrangement according to claim 3 , wherein the lateral offset is in an opposite direction to the direction the second runway section is angled and/or wherein the second runway section is laterally offset from the first runway section by at least one of: between a quarter and double the width of the first runway section, and between 50 m and 100 m.
5. The runway arrangement according to claim 1 further comprising a laterally offset third runway section substantially parallel to, and substantially longitudinally aligned with, said first runway section.
6. The runway arrangement according to claim 5 , wherein the second runway section is angled from the sterile safety area in a direction towards the laterally offset third runway section.
7. The runway arrangement according to claim 5 wherein the laterally offset third runway section is laterally offset from said first runway section so that the centerline of the laterally offset third runway section does not intersect with the second runway section, preferably wherein the runway arrangement satisfies the inequality D>L·sin(θ) or D+O>L·sin(θ), where D is the separation between the first runway section and the laterally offset third runway section, L is the length of the second runway section, θ is the angle of the second runway section to the first runway section, and O is the distance between the centrelines of the first runway section and the second runway section at the ends of the first runway section and the second runway section.
8. A runway arrangement comprising:
a first runway section;
a second runway section; and
a sterile safety area that is designated as not to be used for taxiing, the sterile safety area extending continuously from an end of the first runway section to an end of the second runway section such that the first and second runaway sections do not intersect with each other;
wherein the second runway section is laterally offset from the first runway section, the second runway section extending away from the first runway section at an angle of substantially 0.25-10 degrees to a longitudinal direction of the first runway section; and
wherein the sterile safety area comprises a first portion in prolongation of the first runway section and a second portion in prolongation of the second runway section, the first portion longitudinally overlapping with the second portion in an overlapping section.
9. The runway arrangement according to claim 8 wherein the first runway section is a landing section directed towards the overlapping section and the second runway section is a take off section directed away from the overlapping section.
10. The runway arrangement according to claim 8 wherein the overlapping section is between 300 m and 900 m in length.
11. The runway arrangement according to claim 8 wherein the second runway section is laterally offset from the first runway section by at least one of: between a quarter and double the width of the first runway section, and between 50 m and 100 m.
12. The runway arrangement according to claim 8 further comprising a taxiway outside of the sterile safety area so as to allow access across the first runway section to a proximal end of the second runway section.
13. The runway arrangement according to claim 8 , wherein the first runway section extends from the first portion in a first direction and the second runway section extends from the second portion in a second direction; wherein the first direction and the second direction are different directions.
14. The runway arrangement according to claim 8 , wherein the first portion and the second portion of the sterile safety area overlap along the entirety of the length of the first portion and the second portion.
15. The runway arrangement according to claim 8 , wherein the first portion and the second portion are contiguous.
16. A method of constructing a runway arrangement the method comprising:
providing a first runway section;
providing a second runway section, the second runway section extending away from the first runway section at an angle of substantially 0.25-10 degrees to a longitudinal direction of the first runway section;
providing a sterile safety area linking the first runway section and the second runway section, the sterile safety area extending continuously from an end of the first runway section to an end of the second runway section such that the first and second runaway sections do not intersect with each other; and
designating the sterile safety area as not to be used for taxiing.
17. A method of constructing a runway arrangement, the method comprising:
providing a first runway section;
providing a second runway section;
providing a sterile safety area; and designating the sterile safety area as not to be used for taxiing, the sterile safety area extending continuously from an end of the first runway section to an end of the second runway section such that the first and second runaway sections do not intersect with each other;
wherein the second runway section is laterally offset from the first runway section, the second runway section extending away from the first runway section at an angle of substantially 0.25-10 degrees to a longitudinal direction of the first runway section; and
wherein the sterile safety area comprises a first portion in prolongation of the first runway section and a second portion in prolongation of the second runway section, the first portion longitudinally overlapping with the second portion.