Module 11A.11 and 11A.13 — Hydraulic power (ATA 29) and landing gear (ATA 32)
1,595 words · checked 2026-10-03 · Pro
Levels
- 11.11 Hydraulic power (a) description, (b) operation 1, (c) pneumatic/emergency generation and interfaces — A1 level 1, B1.1 level 3.
- 11.13 Landing gear — A1 level 2, B1.1 level 3 (description, extension/retraction, indications, wheels, brakes, antiskid, autobrake, steering, air–ground sensing, tail skids).
Part 1 — Hydraulic power (ATA 29)
Why hydraulics?
Liquids are practically incompressible; pressure is transmitted equally in all directions (Pascal's law). Force = pressure × area, so small, light lines and actuators give large forces with precise control.
Pro study note
A Pro subscription is needed to keep reading
Subscribe to read the rest of this 1,595-word note, every other study note and all 10 exam-style papers per module. From £6.99, cancel anytime.