Landing Gear & Brakes
NOTE
This is a stub page. Full system description pending ingest of FCOM Chapter 14.
Overview
The B777 has a tricycle landing gear configuration: nose gear and two six-wheel main gear bogies. Normal extension/retraction is hydraulic (Center system); alternate extension uses free-fall.
Key Components
| Component | Description |
|---|---|
| Nose Gear | Dual wheel, hydraulic steering |
| Main Gear (L/R) | Six-wheel bogies (two trucks of three) |
| Normal Extension | Center hydraulic system |
| Alternate Extension | Free-fall (gravity) — gear doors hydraulic release |
| Autobrake | RTO / 1–5 / MAX AUTO settings |
| Antiskid | Prevents wheel lockup on all main wheels |
Brake System
- Normal Brakes: Right hydraulic system, pedal-operated
- Alternate Brakes: Accumulator pressure (limited applications)
- Parking Brake: Hydraulic hold, yellow handle on center pedestal
- Autobrake: Automatic deceleration on landing (1–5, MAX AUTO) or RTO on rejected takeoff