IFF Flashcards
From the IFF page, what does DIVERSITY indicate at RS1?
The number and location of antenna that are being used for reporting
Which IFF advisory alerts the crew that the IBIT detected a failure in the APX-123 kit
TEST FAIL
Which IFF advisory alerts the crew that the mode 4 code has automatically switched?
IFF MODE SWITCH
When Mode 4 audio is on an ICS tone is heard when a ______ exists between the mode 4 code reply and the mode 4 interrogation
Disparity
From the IFF 1/2 page, what must be toggled ON for the Mode 4 reply annunciation to appear on the CDU, when the transponder replies to Mode 4 interrogations?
REPLY ALERT (RS4)
How many antennas are used by the APX-123?
2-one on the nose and one on the aft underside
What page is accessed to load a new Mode S default code?
IFF MAINTENANCE
Which IFF advisory alerts the crew that the Mode 4 code needs to be manually switched?
CHECK IFF MODE4
How often must the APX-123 battery be changed?
how long do you have to change it once battery is removed?
Every 6 months
2 minutes
Which mode incorporates a lethal challenge response, and is only disabled when in the OFF setting?
Mode 5
how many antennas are used by the APX-123
2
Where is the Emergency Panel located
Canted Console
How is the IFF 1/2 page accessed
CNI
Setting the EMER/OFF/HOLD switch to EMER will cause the IFF system to squawk
7700
The transponder receives interrogations and replies to interrogations in what modes
4 and 5
Which Mode 4 Reply setting displays only a “MODE 4 REPLY” annunciator
Reply Alert/Mode 4 audio On
From the IFF page, what does DIVERSITY indicate at RS1
Manual selection is disabled
system is automatically selecting which antenna to use
What does the IFF STBY advisory tell the crew about the transponder
aircraft has lifted off with IFF in standby
Which IFF advisory alerts the crew that IBIT detected a failure in the APX-123 Kit
IFF SEC FAIL
A ___ must be placed in the scratch pad on the CDU to change the Mode S to the default code
-
From the IFF 1/2 page, what must be toggled ON for the Mode 4 reply annunciator to appear on the CDU, when the transponder replies to Mode 4 interrogations
Reply Alert/Mode 4 audio
What is the power defaulted to on the IFF 1/2 page when the EMER/OFF/HOLD switch is placed in EMER
EMERG
