Aircraft Survivability Equipment

Question 1

What does CMWS stand for?
What does it do?

Answer 1

Common missile warning system

Detects emissions from missile plumes and will automatically dispense countermeasures if the CMWS safety pin is removed and WOW switch is inactive

Question 2

What does ICMD stand for?

Answer 2

Improved countermeasure dispensing system
dispenses flares and chaff

Question 3

What does ATIRCM stand for?

Answer 3

Advanced threat infrared countermeasures

Question 4

What does RSDS stand for?

Answer 4

Radar signal detecting set
APR-39(v)1
heart of the threat warning suite

Question 5

What interfaces the RSDS and CMWS?

Answer 5

Digital processor
ceiling station 360

Question 6

Where are the four spiral antennas located?

What system are they a part of?

How should they be installed on aircraft for preflight purposes?

Answer 6

Nose and aft pylon

RSDS

Smaller antenna installed at the 12 o’clock position

Question 7

Can automatic dispensing of countermeasures be disabled?

Answer 7

Yes

Question 8

What does EOMS stand for? How many are there and where?

Answer 8

Electro-optical missile sensors
5

2 on FWD pylon
2 on AFT pylon
1 located on underside forward of the ramp

Question 9

What does a GO BYPASS caution indicate?

Answer 9

Failure in the ECU
change sw position on ASE panel from NORM to BYPASS and dispense countermeasures manually

Question 10

What is the IRJH?

Answer 10

Infrared Jam Head Unit

Detects and jams infrared threats by Directing various laser bands at the threat