Electronic Warfare System

Question 0

AAR-47 Computer Processor

Answer 0

• Processes signal from optical sensors
• Sends MWS status and threat alerts to the CI
• Sends dispense request to CMDS
• Software differentiates threats from non-threats
• Sends a signal to the CI to display laser threat direction and laser type

Question 1

AAR-47 Control Indicator

Answer 1

Provides on/off, BIT, threat warning indications including “missile threat” voice signal.

Question 2

What new capability does AAR-47A(V)2 provided?

Answer 2

360 degree laser threat recognition

Question 3

Location and function of the CMDS Programmer.

Answer 3

• Central processing, controlling, and communications unit of the CMDS
• Receives dispense requests/ CMDS status, determines appropriate actions, and then commands sequencers via CCU.

Question 4

Function of the Memory Loader Verifier Set.

Answer 4

Used to load the Operation Flight Program(OFP) and Mission Data File(MDF) into the non-volatile memory of the programmer.

Question 5

What is the purpose of the BYP selection on the CCU?

Answer 5

USED IN CASE OF PROGRAMMER FAILURE, DISPENSE INPUTS ARE ROUTED DIRECTLY TO SEQUENCERS

Question 6

What is the function of the CMDS ARM Relay?

Answer 6

Provides logic power to the sequencers.

Question 7

Function of the CMDS Power Relay.

Answer 7

WOW provides a ground to energize the relay, which removes firing power to squibs

When de-energized, the relay provides power to the squibs

Question 8

What are the components of the AAR-47 MWS?

Answer 8

1. Control Indicator
2. Computer Processor
3. Optical Sensor-Converter x4

Question 9

What are the components of the ALE-47 CMDS?

Answer 9

1. Cockpit Control Unit
2. Programmer
3. Sequencer x3
4. Dispenser Assembly x 6
5. CMDS Power Relay
6. CMDS Arm Relay
7. Safety Switch x3
8. Bang Switch x2
9. Manual Release Switch x2

Question 10

What are the components of the EWS Display System?

Answer 10

1. EWS Status Driver
2. EWS Status Indicator x2
3. Micro Voice Messaging System
4. Weight on Wheels Safety Circuit

Question 11

How do you test the EWS system and what are the good BIT indications.

Answer 11

System is tested from CI at power on (PBIT) or by rotating switch to “test” (IBIT).

• Alphanumeric display shows checkerboard pattern
• Four audio tones are heard
• Quadrant arrows are illuminated
• Rosette on CI is fully illuminated
• D, BR, R display inside rosette
• “BIT PASS” - “MWS READY”