Rockets/Hellfire Flashcards
m151 war head weight explosive fuse employment range
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
Mk152 mod0 war head weight explosive fuse employment range
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
Mk146mod0 war head weight explosive fuse employment range
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
WDU 4A/A war head weight explosive fuse employment range ground coverage
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
Mk149mod0 war head weight explosive fuse employment range ground coverage at 10/20/30degrees
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
Mk67mod1
war head weight
explosive
fuse
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:
m156
war head weight
explosive
fuse
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
m257
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
m278
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
WTU - 1/B
Inert marked by blue tip
weight: 23.2#
Mk352mod2
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
M423
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
m427
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
Mk435 mod0
Type: PD
Arming criteria: 43-92m
Fuse Fires: Impact
Theory of Employment: Insensitive Munition version of the m423 used for slow moving helo aircraft.
m113A
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.
m442
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
Gau 16
Ammo: .50 max range: 6500m max effective: 1850m tracer burnout: 1100m Fire Rate: 750-850rounds/min Muzzle Velocity:2750ft/sec
Gau-17/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#
Gau-21
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#
M240D
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#
Blank
None
Ball
None
Tracer
Orange
Dim Tracer
Lavender tip w/ silver ring
Armor Piercing
Black tip
AP-Incendiary
Silver tip
API-Tracer
Red and Orange tip w/ silver ring
AP explosive incendiary
Green Tip
APKWS
Advanced Precision Kill Weapon System
APKWS War head types
M151
Mk152
WTU-1B
WAFFAR means
Wrap Around Folding Fin Aircraft Rocket
2.75” rocket motor nomenclature and thrust.
Mk 66 mod4 1415 lbs for a duration of 1.1 seconds
M197 20MM Max range and firing rate
Max effective range: 2000m
Firing rate: 750 rounds per min
7.62 Authorized Ammo
Ball
AP
Tracer
Dim Tracer
ROT for RHA penetration for M151
1 inch for M151
.50 Cal Authorized Ammo
Ball AP API API-Tracer APEI Tracer Dim Tracer
Four types of fuses
- Accel/Decel
- Mechanical timing
- Point detonating
- Proximity
Hellfire
Time of Flight/Max delay/steady on target in seconds
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
APKWS
Range/Mil set/Max Delay/Time of flight
1500m = 90mil/0.5/4 2000m = 110mil/1.5/5 3000m = 150mil/3/8 4000m = 190mil/5/12 5000m = 230mil/7/18
