Communications Flashcards
If an RTU fails? How do we disable the failed RTU?
RTU
INHB. Switch on tuning select panelOops
How many audio control panels?
3
EMER/NORM switch on acp?
Used only when the ACP fails
disabled at the observer station
When EMER/NORM switch is slected?
Pilots headsets is connected directly to NAV 1 and VHF 1
Cockpit speakers are disabled
Warnings and tones heard through headset
Most ACP functions in operative
How do you bring up the COM page?
Press the line select key adjacent to the active frequency twice
If on the main page and no entry is made when will the radio tuning unit return to the default top page
20 seconds
When does cross side tuning become inoperative
When both RTU’s are inoperative
Selecting an RTU INHB switch ?
Disables a primary failed RTU unit therefore enabling cross tuning
Does the flight deck speaker switch at the observer station work?
No
Chime?
Sounds a high low chime in the cabin
EMER switch on ICP?
Sounds three high low chimes
FA handset cradle light flashes Amber
Red light flashes on the mid cabin overhead exit sign
Service Interphone systemprovides communication between the flight deckand various service and maintenance serious.. 4 areas…
Avionics bay
After equipment Bay
External service panel
Refuel D fuel panel
MECH / PUSH LT
When either switch light is selected:
Both lights illuminate
Two tone chime
Light remains on for 30 seconds
ELT located where?
Af equipment bay
CVR LOCATED?
Tail of aircraft
Record 120 minutes
Starts to record one DC power is established
When does the CVR start to record?
When DC power is established
Cockpit voice recorder how many minutes?
120
Flight data recorder stars to record when?
Beacon or strobes on
WOW
When is EMER used?
When the audio integrating system fails
Connects to the on side com and nav radios
Most of the a ACP inoperative
Service interphone system.. Four locations
Avionics bay
Aft equipment bay
External service panel
Refuel defuel panel
Where is the MECH/PUSH switchlt?
Upper pedestal unflight deck
External service panel
Light remains on for 30 seconds
CVR located where?
Tale of aircraft
Cvr records?
30 or 120 minutes ( optional) of information
CVR starts to record one?
DC power is established
