Communication 747-400 Flashcards
During normal operation, which RTP tunes what transceiver?
Onside transceivers are used.
RTP left tunes left VHF and left HF
RTP right tunes right VHF and right HF.
RTP center tunes VHF center
If VHF left is selected on RTP right, which offside tuning lights illuminate?
The offside tuning on RTP left would illuminate.
The RADIO TRANSMIT message is displayed and you are not transmitting intentionally. What might be the reason and which actions do you perform?
Any radio transmits continuously for more than 30 seconds.
Check all PTT switches and mics.
Captain may select VHF-L DIRECT.
RTP left is on and switched OFF. HF left is tuned by RTP center. What RTP controls the sensitivity for HF left now?
Logic depends on specific aircraft.
Either hardwired to HF radio and remains operative with RTP OFF
or
Sensitivity function is switched by offside tuning.
On battery power only, what RTP and transceiver can be used?
RTP left and VHF left only.
What is the indication of an incoming SELCAL call?
High pitched tone and a CALL light on all ACPs.
How would you call the ground crew from the cockpit?
Push P1 on the interphone panel.
Horn sounds and a connection is made via FLT interphone.
Which PTT switch facilitates your flight control check and provides continuous inter phone connection?
Control switch in position INT.
How do you make a PA announcement in first class?
Select the CAB transmitter selector, dial 41 on the inter phone panel.
If ACARS system is down, what processes the uplinks?
VHF center
SATCOM when VHF datalink not available.
If during cruise the EICAS advisory message >DATALINK LOST has just appeared, how would you solve this problem?
Wait.. Databank may be lost because SATCOM logs on to a new satellite.
If IRS is not yet aligned, and you get a SAT inop message displayed on the CDU, what would it mean?
SATCOM may be available after IRS alignment is complete.
What are the aural and visual indication you receive in addition to the memo message SATCOM CALL?
Chime and CALL light on the ACPs.
How do you terminate a SATCOM call?
The END CALL prompt on the cdu must be pressed.
