Communication systems Flashcards
What occurs when CAPT is selected on the OBS Audio Selector on the Aft Aisle stand panel?
(FCOM 5.10.12)
Connects the Captain’s hand microphone, headphone, boom mic/headset, oxy mask microphone, speaker, and mic/interphone switches to the First Observer audio control panel.
When illuminated, what does “Offside Tuning” light indicate?
(FCOM 5.10.3, 5.10.4)
- The radio normally associated with this panel is being tuned by another radio tuning panel, or
- the radio tuning panel is being used to tune a radio not normally associated with this radio tuning panel.
How many VHF radios are installed?
(FCOM 5.20.2)
3
What protection does the 777 have in the event of a stuck mic on the ground?
(FCOM 5.20.3)
After 35 seconds, the radio is disabled.
How can you montior for an IM signal during a CAT II approach?
(FCOM 10.30.4)
- Flashes in the upper right corner of the attitude display area of the PFD.
- Select MKR on the ACP. Press and adjust volume on the volume dial.
How can we tune DATA into the C VHF?
(FCOM 5.20.2)
- Selected on the MFD comm display.
- Tune below 118.0 or above 136.0.
How is the O2 mask operation verified during preflight?
(FCOM NP.21.17)
Select interphone on, turn speaker volume on, press the O2 test button while holding the transmit, verify O2 can be heard through the speaker, hold the O2 test for 10 seconds.
In the event the loadmaster is on the main deck during flight and needs to return to their seat, what action would you take?
(FCOM 5.20.8)
- Cargo call switch, or
- Main deck alert switch
How many PTT switches are in the cockpit?
(FCOM 5.10.1, 5.10.7, 5.10.8)
9 (3 audio control panels, 2 glareshield, 2 yoke, 2 hand mics)
Selecting the SERV interphone switch to ON does what?
(FCOM 5.30.2)
Connects the service and flight interphone systems.
