Type training · Boeing 757 B1.1 · ATA 27
Boeing 757 B1.1: Flight Controls (ATA 27)Type training questions & answers
Ailerons, spoilers, elevators, rudder, stabilizer, flaps and slats, the flap/slat electronics units and stall warning.
- A worked explanation on every question
- Written for the 757-200 with Rolls-Royce RB211-535E4 engines
- Read in English or 15 other languages
Sample Flight Controls questions with answers
Three questions from the free preview. Think of your answer first, then open the explanation.
1.Which are the primary flight control systems of the Boeing 757?
- A.Ailerons, elevators, rudder and stabilizer trim
- B.Ailerons, flaps, slats and rudder
- C.Ailerons, elevators, rudder and spoilers
Show answer and explanation
Correct answer: C. Ailerons, elevators, rudder and spoilers
Primary controls give continuous control about the three axes: ailerons, rudder, elevators and spoilers. Slats, flaps, speedbrakes and stabilizer trim are secondary controls.
2.How many power control units (PCUs) move each elevator and the rudder?
- A.Three
- B.Two
- C.One
Show answer and explanation
Correct answer: A. Three
Each elevator and the rudder have three PCUs, one from each hydraulic system. Each aileron has two PCUs and each spoiler one.
3.How many PCUs move each aileron, and how are they powered?
- A.One, powered by the centre system
- B.Two, from two different systems
- C.Three, one from each hydraulic system
Show answer and explanation
Correct answer: B. Two, from two different systems
The centre system powers the inboard PCU on each aileron. The right system powers the left outboard PCU and the left system the right outboard PCU.
Part of the Boeing 757 B1.1 type course
One chapter of the Boeing 757 B1.1 type course question bank, for the 757-200 with Rolls-Royce RB211-535E4 engines, written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority: limits and procedures can differ between airframes and operators.
All Boeing 757 B1.1 chapters →