Type training · Boeing 777 B2 · ATA 23
Boeing 777 B2: Communications (ATA 23)Type training questions & answers
HF and VHF, SATCOM, SELCAL, ELT, PA and interphone, CVR and ARINC 629.
- A worked explanation on every question
- Written for the 777 avionics
- Read in English or 15 other languages
Sample Communications questions with answers
Three questions from the free preview. Think of your answer first, then open the explanation.
1.Where does the left HF antenna coupler get its power?
- A.The left HF transceiver
- B.The left AIMS cabinet
- C.Left transfer bus 115V AC direct
Show answer and explanation
Correct answer: A. The left HF transceiver
Each HF antenna coupler is powered through its HF transceiver. Ref AMM 23-11-00.
2.Where in the vertical stabilizer are the two HF antenna couplers?
- A.At the bottom of the HF antenna
- B.Behind a right-side access panel
- C.At the top of the HF antenna
Show answer and explanation
Correct answer: C. At the top of the HF antenna
The couplers sit at the top of the HF antenna in the vertical stabilizer. Ref AMM 23-11-00.
3.When an offside radio is selected, where do the offside tuning lights come on?
- A.Only on the RTP used to select it
- B.Only on the onside RTP of that radio
- C.On both RTPs, onside and offside
Show answer and explanation
Correct answer: C. On both RTPs, onside and offside
The offside tuning light comes on on both radio tuning panels. Ref AMM 23-11-00.
Part of the Boeing 777 B2 type course
One chapter of the Boeing 777 B2 type course question bank, for the 777 avionics, 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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