Kamis, 17 Februari 2011

UH 1N Helicopter

military helicopters
military helicopters

UH-1N Twin Huey

The UH-1N is the military version of the Bell 212 helicopter and has been in service since the early 70s. This twin-bladed, twin-engine 'Huey' is operated as a light utility and transport helicopter, command and control platform, medevac air ambulance, search and rescue (HH-1N) and close air support gunship.
UH-1N Twin Huey
USMC UH-1N Twin Huey
Flight crew normally consists of 1 pilot, co-pilot (optional) and door gunner/crewchief. Up to 11 passengers can be accommodated in the UH-1N's cabin.
Typical armament of a UH-1N consists of a door gunner manning a M240D, GAU/16 .50 cal or GAU/17 Minigun. When configured for close air support, the UH-1N can carry 2 x 7 or 19-rocket pods attached to pylons either side of the sliding cabin doors. The UH-1N's minigun can be fixed facing forward and fired by a trigger on the pilot's cyclic stick.
Over the years, the UH-1Ns flown by the USMC has received numerous avionics upgrades. These include secure satellite communications, GPS navigation and a FLIR turret and Night Vision Goggles HUD for all-weather, day/night operation. The additional weight of these upgrades has degraded the UH-1N's flight performance somewhat. An upgrade program is underway to address these and other issues. The resulting UH-1Y will include more powerful engines, 4-blade rotors, digital cockpits and enhanced navigation systems.
  • flare/chaff dispenser protects against ir and radar-homing missiles
  • tubular skids allow for takeoff/ landing on soft surfaces
  • FLIR turret mounted under nose
  • Stability Control Augmentation System assists with stable flight
  • twin engines
  • removable cabin doors
.50 cal machine gun
USMC UH-!N door guns include .50 cal machine guns...
...and electrically-operated 7.62mm multi-barrel gatling guns.

UH-1N Twin Huey Specifications

UH-1N rockets
Aside from door guns, the UH-1N can carry pods of unguided rockets for close air support.
CrewPilot, Co-pilot (optional) + 1 door gunner/ crewchief
Engines2x Pratt and Whitney T400-CP-400 turboshaft engines
DimensionsL - 17.4m
W (rotorspan) - 14.6m
H - 4.5m
Weights2,721 kg (empty)
5,079 kg (max loadout)
Max Speed204 kph
Range533 km
Armament2 x LAU-68 pod of 7x70mm FFAR Rockets or
2 x LAU-61 pod 19x70mm FFAR Rockets
1 x GAU-16 .50 cal machine gun or
1 x GAU-17 7.62mm minigun or
1 x M240D 7.62mm machine gun
AvionicsNight Vision Goggle Heads Up Display (NVG HUD)
AN/ASN-43 Gyromagnetic Compass
Stability Control Augmentation System (SCAS)
AN/ASQ-177 Position Location Reporting System
AN/APN-217 Doppler radar navigation
AN/APR-41 Radar Warning Receiver
AN/ALE-39 Chaff & Flare Dispenser

uh-1n dropping special operations forces into the sea
One of the roles of the UH-1N s of the US Marine Corps is support of special operation forces such as Marine Force Recon units.

Sabtu, 08 Januari 2011

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