Type training · Boeing 777 B1.1 · ATA 30
Boeing 777 B1.1: Ice and Rain Protection (ATA 30)Type training questions & answers
Wing and engine anti-ice, ice detectors, probe heat, window heat and wipers.
- 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 Ice and Rain Protection questions with answers
Three questions from the free preview. Think of your answer first, then open the explanation.
1.When does the 777 wing anti-ice system operate?
- A.In flight, and in ground tests
- B.In flight only, no exceptions
- C.On the ground in icing
Show answer and explanation
Correct answer: A. In flight, and in ground tests
Wing anti-ice operates in flight only, apart from ground tests. Ref AMM 30-11-00.
2.With AUTO or ON selected, when is wing anti-ice operation inhibited?
- A.When the airplane is on the ground
- B.When TAT is above 10°C (50°F)
- C.When bleed air is below 93°C (200°F)
Show answer and explanation
Correct answer: C. When bleed air is below 93°C (200°F)
The operational mode is inhibited with bleed air below 93°C. Ref AMM 30-11-00.
3.Where does wing anti-ice get air/ground information?
- A.WOW cards and the ADIRU
- B.The WOW cards only
- C.The ADIRU air data only
Show answer and explanation
Correct answer: A. WOW cards and the ADIRU
It uses both the WOW cards and the ADIRU. Ref AMM 30-11-00.
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.
All Boeing 777 B1.1 chapters →