Type training · Boeing 777 B1.1 · ATA 27
Boeing 777 B1.1: Flight Controls (ATA 27)Type training questions & answers
PFCS modes and ACEs, spoilers, ailerons, rudder, elevator, stabilizer trim, flaps and slats.
- A worked explanation on every question
- Written for the 777-200/-200ER with GE90, PW4084 or Trent 800 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.How do the flight controls ARINC 629 buses interface digitally with other systems?
- A.By direct links to PSEUs, FSEUs and WEUs
- B.Through ELMS and the OPAS card files
- C.Via AIMS gateway and systems buses
Show answer and explanation
Correct answer: C. Via AIMS gateway and systems buses
The AIMS cabinets' data conversion gateway function links the flight controls buses to the systems ARINC 629 buses. Ref AMM 27-02-00.
2.Where do all the analog interfaces with the PFCS go?
- A.To the AIMS cabinets
- B.To the ACEs
- C.To the PCUs
Show answer and explanation
Correct answer: B. To the ACEs
Analog signals such as transducers and LVDTs connect to the actuator control electronics. Ref AMM 27-02-00.
3.What does the high lift control system (HLCS) control?
- A.Flaps, slats, Kruegers and spoilers
- B.Flaps, slats, spoilers and speedbrakes
- C.Flaps, slats and Krueger flaps
Show answer and explanation
Correct answer: C. Flaps, slats and Krueger flaps
The HLCS controls the trailing edge flaps, leading edge slats and Krueger flaps; spoilers belong to the PFCS. Ref AMM 27-03-00.
Part of the Boeing 777 B1.1 type course
One chapter of the Boeing 777 B1.1 type course question bank, for the 777-200/-200ER with GE90, PW4084 or Trent 800 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.
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