IFF

Question 1

From the IFF page, what does DIVERSITY indicate at RS1?

Answer 1

The number and location of antenna that are being used for reporting

Question 2

Which IFF advisory alerts the crew that the IBIT detected a failure in the APX-123 kit

Answer 2

TEST FAIL

Question 3

Which IFF advisory alerts the crew that the mode 4 code has automatically switched?

Answer 3

IFF MODE SWITCH

Question 4

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

Answer 4

Disparity

Question 5

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?

Answer 5

REPLY ALERT (RS4)

Question 6

How many antennas are used by the APX-123?

Answer 6

2-one on the nose and one on the aft underside

Question 7

What page is accessed to load a new Mode S default code?

Answer 7

IFF MAINTENANCE

Question 8

Which IFF advisory alerts the crew that the Mode 4 code needs to be manually switched?

Answer 8

CHECK IFF MODE4

Question 9

How often must the APX-123 battery be changed?

how long do you have to change it once battery is removed?

Answer 9

Every 6 months

2 minutes

Question 10

Which mode incorporates a lethal challenge response, and is only disabled when in the OFF setting?

Answer 10

Mode 5

Question 11

how many antennas are used by the APX-123

Answer 11

2

Question 12

Where is the Emergency Panel located

Answer 12

Canted Console

Question 13

How is the IFF 1/2 page accessed

Answer 13

CNI

Question 14

Setting the EMER/OFF/HOLD switch to EMER will cause the IFF system to squawk

Answer 14

7700

Question 15

The transponder receives interrogations and replies to interrogations in what modes

Answer 15

4 and 5

Question 16

Which Mode 4 Reply setting displays only a “MODE 4 REPLY” annunciator

Answer 16

Reply Alert/Mode 4 audio On

Question 17

From the IFF page, what does DIVERSITY indicate at RS1

Answer 17

Manual selection is disabled

system is automatically selecting which antenna to use

Question 18

What does the IFF STBY advisory tell the crew about the transponder

Answer 18

aircraft has lifted off with IFF in standby

Question 19

Which IFF advisory alerts the crew that IBIT detected a failure in the APX-123 Kit

Answer 19

IFF SEC FAIL

Question 20

A ___ must be placed in the scratch pad on the CDU to change the Mode S to the default code

Answer 20

-

Question 21

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

Answer 21

Reply Alert/Mode 4 audio

Question 22

What is the power defaulted to on the IFF 1/2 page when the EMER/OFF/HOLD switch is placed in EMER

Answer 22

EMERG