IFF Operations

Question 1

Where is the Emergency Panel located?

Answer 1

Canted Console

Question 2

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

Answer 2

IFF uses both antennas

Question 3

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

Answer 3

Indicates aircraft has lifted off with IFF power in standby

Question 4

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

Answer 4

IFF SEC FAIL

Question 5

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

Answer 5

IFF MODE SWITCH

Question 6

Mode 4 ____ is the caution that indicates the Mode 4 codes have been zeroized.

Answer 6

FAIL

Question 7

Which STAT page is the IFF selection located on?

Answer 7

2/4

Question 8

How is the IFF 2/2 page displayed when viewing the IFF 1/2 page?

Answer 8

Down Arrow

Question 9

Setting the EMER/OFF/HOLD switch to EMER on the Emergency Panel cause the IFF system to squawk which code?

Answer 9

7700

Question 10

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 10

Disparity

Question 11

A ____ must be placed in the scratch pad on the CDU to change Mode S to the defualt code.

Answer 11

dash -

Question 12

Using the desktop trainer, how many IFF Mode 4 code keys are loaded?

Answer 12

1

Question 13

The IFF Status page is access by selecting which page access key?

Answer 13

STAT

Question 14

What panel is the MODE 4/5 HOLD switch located on?

Answer 14

Emergency Panel

Question 15

What Page Access Key is used to directly access the IFF 1/2 page?

Answer 15

CNI Key

Question 16

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 16

REPLY ALERT

Question 17

How many antennas are used by the APX-123?

Answer 17

2

Question 18

The power settings that can be toggled by the operator on IFF 1/2 are ____ and ____.

Answer 18

STANDBY, NORMAL (EMERGENCY if sw is in EMER on Canted Console)

Question 19

What IFF page must be accessed to change MODE S to ON

Answer 19

IFF pg 1/2

Question 20

What page is accessed to load Mode S default code?

Answer 20

IFF 2/2

Question 21

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

Answer 21

EMERGENCY

Question 22

Setting the EMER/OFF/HOLD switch to HOLD prevents ____ the IFF Mode 4 and 5 codes when aircraft power is removed in a weight on wheels condition.

Answer 22

override

Question 23

The IFF purpose is to provide ____ aircraft identification.

Answer 23

Automatic

Question 24

From the Mode 1, 2, 3A/C, 4, 5, and S, the transponder recieves and replies to interrogations in how many different modes?

Answer 24

All of them

Question 25

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

Answer 25

CHECK IFF MODE 4

Question 26

Which mode(s) provides enhanced secure identification with position reporting capability?

Answer 26

Mode 5

Question 27

The APX-123 transponder battery must be replaced when the LOW BTRY LED is illuminated or every ____ months, whichever is sooner.

Answer 27

6

Question 28

Which IFF mode incorporates a lethal interrogation response feature, intended to reduce fratricide by forcing the transponder to reply to a lethal interrogation while the IFF system is in standby or EMCON?

Answer 28

Mode 5