Airframe Systems & Components: Position & Warning Systems 🔊 Flashcards
What is the purpose of the anti-skid system?
To stop the aircraft without skidding by providing the most effective braking power
What does the anti-skid warning light indicate?
The system is turned off or failed
What type of warning devices are usually provided for retractable landing gear?
A red light and aural device
When does the landing gear warning horn operate in a landing gear warning system?
When the throttles are retarded and the landing gear is in any position other than down and locked
What type of position indicators are normally used to indicate that the landing gear is down and locked?
A green light for each gear
Which positions of retractable landing gear normally have a position indicator?
Up and locked, down and locked, and in transit
What is a squat or weight on wheels switch and where is it located?
A switch that detects if an aircraft is on the ground located in the torsion links of main landing gear
What device is used as a sensor to detect the condition of a retractable landing gear?
A microswitch
When should you check landing gear switches, lights, warning horns, or buzzers for proper operation?
During a landing gear retraction check or swinging the landing gear
How does a takeoff warning horn differ from a landing gear warning horn?
Takeoff horn is intermittent and landing horn is continuous
What items may cause a takeoff warning horn to operate in a typical transport jet aircraft?
If the throttle is advanced and any of the following exist:
1. Speed brakes not down
2. Auxiliary power exhaust door open
3. Flaps not in takeoff range
4. Stabilizer not in the takeoff setting
What is the master caution light?
A light that alerts the pilot that there is an abnormal or change in condition of an aircraft system
What is used to indicate the position of wing flaps?
A resistance type remote indicating system
What are the positions of aircraft navigation lights?
Green on right, red on left, and white in back
