Defensive Systems (I Hope We Die)

Question 1

Jettison Mode Overrides (when)

Answer 1

If WOW is disengaged (in flight) jettison mode will override all other modes

Question 2

RWR Components

Answer 2

4 antenna assemblies
2 antenna SUB assemblies
1 blade antenna
1 receiver processor

Question 3

What RF does the antenna assembly receive?

Answer 3

E through J
and K

Question 4

RWR blade antenna band signals

Answer 4

C and D

Question 5

RWR antenna SUB assemblies job

Answer 5

convert millimeter wave band RF signals to microwave bands (K)

it also acts as a pass through for E/J bands (since they’re already microwave)

Question 6

RWR how many antenna assemblies are there?
what coverage do they provide
which polarization

Answer 6

4
360 degrees
right and left hand

Question 7

CMDS Name

Answer 7

AN-ALE 47

Question 8

CMWS (Common Missile Warning System) Name

Answer 8

AN/AAR-57

Question 9

IBU (Interference Blanking Unit) Purpose

Answer 9

Prevents false warnings from onboard equipment being used.
So the system doesn’t get tripped from your own transmissions.

Question 10

RWR (Radar Warning Receiver) Name

Answer 10

AN/APR-52

Question 11

LDS (Laser Detection Set) Name

Answer 11

AN/AVR-2B

Question 12

CMDS components

Answer 12

-Safety switch
-Dispenser control panel
-Cabin dispense switches
-Sequencers
-Dispensers
-Magazines

Question 13

PTO -1
Laser Detection Set AN/AVR-2B Detection Range

Answer 13

360 Degrees

Question 14

PTO -1
LDS AN/AVR-2B Components

Answer 14

Externally Mounted Sensor Assemblies (LWR)
Signal Comparator Module (SCM)

Question 15

PTO -1
What 3 things do the Sensor Assemblies on the AN/AVR-2B Detect?

Answer 15

Target Designators
Laser Range Finders
Beam Riders

Question 16

PTO -1
Laser Detection Set SCM Job
(4)

Answer 16

1. Processes detected signals from Sensor Assemblies
2. Identifies Threat Types
3. Prioritizes them in order of lethality
4. Issues reports to the FMS

Question 17

PTO -1
AN/AVR-2B
Where does the FMS send threat data information to after it is received from the SCM?

Answer 17

AMC

Question 18

PTO -1
How are audio alerts sent to the ICS (from LDS)

Answer 18

Via the FMS

Question 19

PTO -1
Laser Detecting Set Sensor Assemblies
Detect laser radiation in bands…

Answer 19

I, II, IIIA/G

Question 20

PTO -1
RWR AN/APR-52
Antenna Assemblies receive what signals?

Answer 20

K and E through J RF signals

Question 21

PTO -1
RWR AN/APR-52 What band signals do the blade antennas receive?

Answer 21

C/D band RF signals

Question 22

PTO -1
RWR AN/APR-52
Antenna Sub-Assemblies (AS) Job

Answer 22

-Convert millimeter wave band (K) RF signals to microwave band.
-Act as a pass through for incoming microwave signals (E/J) RF band signals

Question 23

PTO -1
Radar Warning Receiver
Receiver Processor (R/P) Job
(5)

Answer 23

1. Processes detected RF signals sent from the antenna sub-assemblies
2. Compares the signal against the threat library contained in the MDL (Mission Data Load)
3. Sends an audible warning via ICS
4. Sends a visual warning via AMC
5. Analyzes RF transmission signals against the IBU blanking signals

Question 24

PTO -1
RWR Antenna Assemblies (AA) Job

Answer 24

(Two rod shaped millimeter wave antennas) Covers band K
(One microwave antenna) Covers E/J

Question 25

PTO -1 RWR Blade Antenna Job

Answer 25

Direction Finding Antenna Picks up C/D band frequencies

Question 26

PTO -1 RWR AN/APR-52 Operation Who does the receiver processor receive direction from to download the threat library from the MDL?

Answer 26

AMC

Question 27

PTO -1 AN/APR-52 Who do the antenna assemblies route their incoming K and E through J RF transmission bands to?

Answer 27

Antenna Sub-Assemblies

Question 28

PTO -1 AN/APR-52 Who do the antenna sub-assemblies convert K and E through J band for?

Answer 28

Receiver Processor

Question 29

PTO -1 AN/APR-52 Who does the blade antenna send C-D RF transmission to?

Answer 29

Receiver Processor

Question 30

PTO -1 IBU Flow

Answer 30

EO/IR LSRF is engaged, a blanking request from the AMC is sent to the IBU, which then sends the blanking command to the LDS or RWR.

Question 31

PTO -1 CMDS Sequencer Job

Answer 31

Monitors and controls expendables based on the data received from the CMWS.

Question 32

PTO -1 CMDS/CMWS Operation How to update FMS screen?

Answer 32

from AUTO BYPASS--AUTO

Question 33

PTO -1 How long does the CMDS/CMWS system need to update FMS screen inventories?

Answer 33

10-30 sec

Question 34

PTO -1 CMWS Components

Answer 34

EOMS (5) ECU Programmable UDM/RDM

Question 35

PTO -1 CMWS Detection

Answer 35

HFI types 1, 2, 3, 4, 5 (gun/rocket) Passively detects in-band Ultra Violet imagery

Question 36

PTO -1 CMWS AN/AAR-57 Who does the EOMS send digitized UV imagery to?

Answer 36

ECU

Question 37

PTO -1 CMWS ECU Job

Answer 37

Process data from EOMS to determine if a threat exists

Question 38

PTO -1 CMWS Who does the ECU send threat data to?

Answer 38

AMC

Question 39

PTO -1 CMDS AN/ALE-47 What component does the Sequencer receive magazine configuration from?

Answer 39

CMWS

Question 40

PTO -1 CMDS When the cabin dispense switch is pressed, where is it sending the flare dispense command to?

Answer 40

CMWS ECU

Question 41

PTO -1 What does the JETTISON switch manual dispense?

Answer 41

All flares

Question 42

PTO -1 CHAFF LOW Advisory

Answer 42

Chaff inventory is below nine

Question 43

PTO -1 FLARE LOW Advisory

Answer 43

Flare inventory is below nine

Question 44

PTO - 1 What does BYPASS MODE in the CMDS/CMWS Operation do?

Answer 44

Bypasses CMWS ECU. The sequencers ignore any commands from the CMWS ECU and independently monitor the cyclic countermeasures mode switch and cabin switches for commands. Dispensing is now controlled by the programs that were uploaded to the sequencers from the UDM/RDM by the CMWS ECU during systems initialization. (Defaults) Used in the event of a system failure.

Question 45

PTO - 1 What are the CMDS dispense programs are there on the FMS?

Answer 45

Automatic Semi-Automatic Manual Bypass Jettison

Question 46

PTO -1 What are some things that the IBU receives input from?

Answer 46

1- IFF 2- TACAN 3- Link 16 4- RAD ALT 5- WXR 6- AMC (EO/IR)

Question 47

PTO -1 WARNING With IBIT/SBIT and powering up the CMWS/CMDS or reboot in flight

Answer 47

It will be offline for approximately 2-5 minutes and unable to protect the helicopter until complete.