Type training · Boeing 777 B1.1 · ATA 26
Boeing 777 B1.1: Fire Protection (ATA 26)Type training questions & answers
Engine, APU, cargo and lavatory fire detection, squib tests and fire extinguishing.
- 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 Fire Protection questions with answers
Three questions from the free preview. Think of your answer first, then open the explanation.
1.What does the FIRE/OVHT TEST switch test?
- A.Detection in areas closed in flight
- B.The fire extinguishing system squibs
- C.All airplane fire protection systems
Show answer and explanation
Correct answer: A. Detection in areas closed in flight
It tests the fire and overheat detection in areas not accessible in flight. Ref AMM 26-00-00.
2.When does a squib test failure signal reset?
- A.When the circuit is repaired
- B.After repair and a new test
- C.When power is cycled
Show answer and explanation
Correct answer: B. After repair and a new test
Repair the squib circuit and then do another test. Ref AMM 26-00-00.
3.As an engine fire detector core heats up, what happens to its resistance to ground?
- A.It shows a short at once
- B.It increases
- C.It decreases
Show answer and explanation
Correct answer: C. It decreases
The core material resistance drops with temperature; the detection card senses this. Ref AMM 26-11-00.
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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