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Huey > Rockets/Hellfire > Flashcards

Rockets/Hellfire Flashcards

1
Q 
m151 
war head weight
explosive
fuse
employment range
A 
High explosive OD green with yellow band
charge: 2.3# comp B-4
fuse: m423/m427
burst radius:10m
WH weight: 9.4#
rocket weight: 23.2#
employment method: 300-800m
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2
Q 
Mk152 mod0
war head weight
explosive
fuse
employment range
A 
High explosive OD green with yellow band
charge: 2.1# PBXN 110
fuse: Mk435mod0
burst radius: 10m
WH weight: 8.9#
rocket weight: 23.05#
employment method: 300-800m
Navy's Insensitive Munition version of the M151
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3
Q 
Mk146mod0
war head weight
explosive
fuse
employment range
A 
High explosive OD green with yellow band
charge: 4.3# PBXN110
fuse: Mk435mod0
burst radius: 10m
WH weight:16.6#
rocket weight: 30.03#
employment method: 300-800m
IM version of the m229 frag rocket
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4
Q 
WDU 4A/A
war head weight
explosive
fuse
employment range
ground coverage
A

flechette OD with red band
charge: 2205 20grain flechettes with 3grams of m9 charge
fuse: m113A
burst radius: 80mx80m
WH weight: 6.7#
rocket weight: 23.1#
employment method: 1200-1500m from target

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5
Q 
Mk149mod0
war head weight
explosive
fuse
employment range
ground coverage at 10/20/30degrees
A

flechette OD with red stripe
charge: 1179 60grain flechettes with 3grams of m9
fuse: m113A
burst radius: 10 degree=200x35m, 20degree=100x35m, 30degree=70x35m
WH weight: 10.9#
rocket weight: 27.55
employment method: 900-1100m

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6
Q

Mk67mod1
war head weight
explosive
fuse

A

Red phosphorus marked by white and yellow band and gold fuse
Charge: 2.6# of RP dispersed by booster of PBXN 202
Fuse: m427/Mk352mod2
WH weight: 5.2#
Rocket weight: 23.29#/23.09#
employment method:

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7
Q

m156
war head weight
explosive
fuse

A

white phosphorus marked by OD green with red and yellow band
Charge:2.0# of WP with comp B-4 booster charge
Fuse: m427
WH weight: 9.7#
Rocket weight: 23.50#
Requires special handling

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8
Q

m257

A

overt flare marked by OD
Charge:
Fuse: m442
Bursting radius: 1,000,000 candle power for 2min illuminating 1mi^2
WH weight: 10.7#
Rocket weight: 24.6#
employment method: launch from 3500m at 19 degrees nose high IOT burst at 1800’ over target.
Fire 1 degree into wind for every 2 knots of crosswind

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9
Q

m278

A

covert flare marked by Black
Charge:
Fuse: m442
Burst radius: 700cp .7-1.1 microns for 3 min
WH weight: 10.7#
Rocket weight: 24.5#
employment method: launch from 3000m with 26 degrees nose up for burst of 2500’ over target

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10
Q

WTU - 1/B

A

Inert marked by blue tip

weight: 23.2#

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11
Q

Mk352mod2

A

Type: PD
Arming criteria: 800-1200ft 1.07-1.36s @40gs
Fuse Fires: Impact
Theory of Employment: used on both 2.75” and 5.00” rockets. Needs booster BBU-15/B for 5.00”. Will function even at low angles on thin aluminum and water

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12
Q

M423

A

Type: PD on slow speed aircraft and helicopters
Arming criteria: 140-300ft .63-.82s @27gs sustained 20gs
Fuse Fires: Impact
Theory of Employment: Only for Mk66 motor 2.75” rockets. Functions on impacts as shallow as 5 degrees

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13
Q

m427

A

Type: PD
Arming criteria: 800-1200m 1.09-1.34s @ 40gs
Fuse Fires: Impact
Theory of Employment: Identical to the m423 except longer distance to arm

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14
Q

Mk435 mod0

A

Type: PD
Arming criteria: 43-92m
Fuse Fires: Impact
Theory of Employment: Insensitive Munition version of the m423 used for slow moving helo aircraft.

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15
Q

m113A

A

Type: Accel/Decel
Arming criteria: 17.5gs to arm 550-1400ft 1.6s
Fuse Fires: decel below 11gs
Theory of Employment: Permanently installed on the WDU 4A/A and Mk149mod0 flechette rockets.

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16
Q

m442

A

Type: Accel/Decel and time
Arming criteria: 16gs for about 1s and travel 2137ft
Fuse Fires: after motor burnout the timer is started. Rocket funtions about 13.5s after launch and travels
Theory of Employment: Used on 2.75” illumination warheads

17
Q

Gau 16

A 
Ammo: .50
max range: 6500m 
max effective: 1850m
tracer burnout: 1100m
Fire Rate: 750-850rounds/min
Muzzle Velocity:2750ft/sec
18
Q

Gau-17/A

A 
Ammo: 7.62mm
max range: 3500m
max effective: 1100m
tracer burnout: 900m
Fire Rate: 3000r/min+-10%
Muzzle Velocity: 2775ft/sec
Ammo Capacity for IAAS: 4400 rounds
Weight: 193#
19
Q

Gau-21

A 
Ammo: .50
max range: 6500 m
max effective: 1850m
tracer burnout: 1100m
Fire Rate: 950-1100rounds/min
Muzzle Velocity: 2887ft/sec
Ammo Capacity: 600 rounds
Weight: 201#
20
Q

M240D

A 
Ammo: 7.62mm
max range: 3750m
max effective: 1200m
tracer burnout: 900m
Fire Rate: 650-950rounds/min
Muzzle Velocity:2750ft/sec
Ammo Capacity: 200 rounds
Weight mounted: 51.5# Egress Weight: 31.4#
21
Q

Blank

A

None

22
Q

Ball

A

None

23
Q

Tracer

A

Orange

24
Q

Dim Tracer

A

Lavender tip w/ silver ring

25
Q

Armor Piercing

A

Black tip

26
Q

AP-Incendiary

A

Silver tip

27
Q

API-Tracer

A

Red and Orange tip w/ silver ring

28
Q

AP explosive incendiary

A

Green Tip

29
Q

APKWS

A

Advanced Precision Kill Weapon System

30
Q

APKWS War head types

A

M151
Mk152
WTU-1B

31
Q

WAFFAR means

A

Wrap Around Folding Fin Aircraft Rocket

32
Q

2.75” rocket motor nomenclature and thrust.

A

Mk 66 mod4 1415 lbs for a duration of 1.1 seconds

33
Q

M197 20MM Max range and firing rate

A

Max effective range: 2000m

Firing rate: 750 rounds per min

34
Q

7.62 Authorized Ammo

A

Ball
AP
Tracer
Dim Tracer

35
Q

ROT for RHA penetration for M151

A

1 inch for M151

36
Q

.50 Cal Authorized Ammo

A 
Ball
AP 
API
API-Tracer
APEI
Tracer 
Dim Tracer
37
Q

Four types of fuses

A
  1. Accel/Decel
  2. Mechanical timing
  3. Point detonating
  4. Proximity
38
Q

Hellfire

Time of Flight/Max delay/steady on target in seconds

A 
1km = 3/0/6
2km = 7/0/6
3km = 10/2-3/6
4km = 14/3-6/6
5km = 19/4-8/6
6km = 24/4-11/6
7km = 29/4-13/7
8km = 36/4-16/8
39
Q

APKWS

Range/Mil set/Max Delay/Time of flight

A 
1500m = 90mil/0.5/4
2000m = 110mil/1.5/5
3000m = 150mil/3/8
4000m = 190mil/5/12
5000m = 230mil/7/18

Huey (15 decks)

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