EAWS Aviation Communications and Navigation Systems 3

Question 1

What does IFF stand for in military aviation?

Accepted Answer

Identification, Friend or Foe

Answer

IFF stands for Identification Friend or Foe, a transponder-based system used by military forces to identify aircraft as friendly, hostile, or unknown.

Question 2

IFF Mode 3/A is used primarily for which purpose?

Accepted Answer

Civil and military ATC identification using a 4-digit code

Answer

Mode 3/A is a shared civil/military mode in which aircraft squawk a 4-digit octal code assigned by ATC for identification on secondary surveillance radar.

Question 3

Which transponder squawk code must an aircrew select when declaring a general emergency?

Accepted Answer

7700

Answer

Squawk 7700 is the universally recognized emergency code that alerts ATC and other radar facilities that the aircraft is experiencing a general emergency.

Question 4

What capability does Link 16 provide to naval aviation tactical operations?

Accepted Answer

Secure, jam-resistant digital exchange of tactical data among multiple platforms

Answer

Link 16 is a secure, jam-resistant TDMA data link that distributes targeting, track, identification, and situational awareness data in near-real-time among participants.

Question 5

In which frequency band does JTIDS (Joint Tactical Information Distribution System), the radio used for Link 16, operate?

Accepted Answer

L-Band (960–1215 MHz)

Answer

JTIDS/Link 16 operates in the L-Band (960–1215 MHz), using frequency hopping across 51 frequencies and time-division multiple access (TDMA) for jam resistance.

EAWS - Enlisted Aviation Warfare Specialist Practice Test

EAWS - Enlisted Aviation Warfare Specialist Practice Test

EAWS Aviation Communications and Navigation Systems 3