SECONDARY RADAR

Question 1

What does IFF stand for?

Answer 1

IDENTIFICATION FRIEND OR FOE

Question 2

What principle does IFF work on?

Answer 2

Challenge and Reply

Question 3

What is the coverage of IFF ship to ship?

Answer 3

20-30 Nautical Miles

Question 4

Which IFF mode provides height information of friendly and civil aircraft?

Answer 4

Mode Charlie

Question 5

Which mode provides POSITIVE friendly identification?

Answer 5

Mode 4

Question 6

List 4 uses of IFF

Answer 6

✅POSSIBLE ANSWERS✅

• RAPID IDENTIFICATION OF FRIENDLY FORCES
• TRACKING UNITS BEYOND NORMAL RADAR COVERAGE
• TRACKING FRIENDLY AIRCRAFT OVERLAND THROUGH CLUTTER CLOUD AND JAMMING
• INDEPENDENT IFF
• INDICATE AN EMERGENCY

Question 7

What information is IFF Mode 1?

Answer 7

Mission or task mode

“What are you doing?”

Question 8

What information is IFF Mode 2?

Answer 8

Personal Identity mode

“Who are you?”

Question 9

What information is IFF Mode 3?

Answer 9

Command authority or regional function

“Who do you work for?”

Question 10

What is the purpose of RRB?

Answer 10

Enables transponder-fitted aircraft to be identified at low altitude in sea-clutter conditions

Question 11

What is IFF code 7500?

Answer 11

Hi-Jack

Question 12

What is IFF code 7600?

Answer 12

Radio failure

Question 13

What is IFF code 7700?

Answer 13

Other emergency

Question 14

What is IFF code 7000?

Answer 14

Conspicuity Code

Question 15

What is IFF code 0023?

Answer 15

Search and Rescue

Question 16

PARROT! 🦜

Answer 16

IFF TRANSPONDER

Question 17

STRANGLE PARROT! 🦜🔫

Answer 17

SWITCH OFF IFF TRANSPONDER

Question 18

PARROT LAZY! 🦜💤

Answer 18

SWITCH IFF RESPONDER TO STANDBY

Question 19

CANARY!

Answer 19

I BAND TRANSPONDER

Question 20

CANARY LAZY 💤

Answer 20

SWITCH I BAND RESPONDER ON STANDBY

Question 21

CHIRP! 🐣

Answer 21

OPERATE IN “ECHO ENHANCE MODE”

Question 22

SQUAWK INDENT 💢

Answer 22

AIRCRAFT SELECTS I.P

Question 23

SQUAWK(ING)!

Answer 23

OPERATING IFF AS INDICATED (EG) “SQUAWK MODE 2”