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Thread: Vietnam War Helicopter Aviation: AH-1 Cobras

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    Default Vietnam War Helicopter Aviation: AH-1 Cobras

    Short overview about the diffrent versions of the AH-1G/J Cobras and their armament used during the Vietnam War era.


    AH-1G Huey Cobra:



    The AH-1G entered the War in September 1967 an was also known under the nickname "Snake". Interesting is that it first was designated as UH-1G because it was build up on the UH-1 series but that was quickly changed to AH-1G for obvious reasons. This is also the reason why there is actually no G, J or any other model of the UH-1 with the same model letter then an AH-1. In fact the Cobra can be considered as a part of the big "Iroquoise" family.
    It was generally equipped with the M28 Armament Subsystem. This system was a twin mount chin-turret which normally carried a M134 7.62mm minigun and a M129 40mm grenade launcher.



    Some crews weren't satisfied with the aiming/shooting characteristics of the M129 grenade launcher and changed the loadout to two M134 miniguns.



    The Cobra could be fitted with various wing-mounted weapon-systems like the four M200 19-tube rocket launchers for 2.75 inch rockets.



    Two M200 19-tube and two XM157 seven-tube rocket launchers.



    Two M200 19-tube and two M158 seven-tube rocket launchers.



    The Cobra could be also equipped with the M35 Armament Subsystem at the inner port under the left wing. This system carried a M195 20mm gun.



    There was also the M18 Armament Subsystem available. This system was a XM18 gunpod with an internally mounted M134 minigun which could be mounted on each of the ports.





    AH-1J Sea Cobra:



    The AH-1J was only used by the USMC and entered combat in March 1971. Besides an engine and some other improvements the main change was the new three barrel XM-197 20mm mounted in the nose-turret.

    ----------------------

    If you want additional and more precise informations on the armament you may visit the following links.

    http://www.globalsecurity.org/milita...raft/ah-1g.htm

    http://www.globalsecurity.org/milita...raft/ah-1j.htm

    http://tri.army.mil/LC/cs/csa/aawpns.htm

    All infos and pictures are gather from various sources found in the net. I tried to use pictures that are not explicitly copyright protected and resized/reworked some of them to fit this short overview.

    If you have any additonal infos, corrections, questions, complaints etc., please post them here in this topic. Thank you!


    Greetz
    Plage

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    Funky Field Balls Moriarti's Avatar
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    Again - nice. Thanks!

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    I know the Apache is more gee-whiz, but I don't think, there's ever been a sexier Attack Helicopter than the AH-1 Cobra.

    It still kicks ass.

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    Funky Field Balls Moriarti's Avatar
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    I agree - when I was a little infidel I wanted to be a Jarhead Cobra pilot - that seemed like the best job in the whole world -

    Now, I occasionally see one fly overhead escorting other USMC birds and still smile. BUT - they are *LOUD* compared to an Apache - wow - those two old school blades just slapping the air - WHAP-WHAP-WHAP!

    But Alas - I am a mere mortal - mired in the world of HMMWVs NTVs and MRAPs

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    im main. admin clerk for the USMC and i saw records that dated back to Nam
    could not believe the Cobras been around for that long
    lots of upgrades though
    significantly
    thanks for the pics!
    (i spy UH-1 engines on the Cobra)

    moriarti,
    dont worry about the Cobras being loud no more
    Marine Corps trying to get all Cobras 4 blades now
    hell of a lot faster and quieter!
    too bad they're a pain in the ass for aircraft mechanics and main admin to maintain
    Last edited by pchoiboi; 08-06-2008 at 03:04 PM. Reason: grammer

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    A great video I just found here in the forum. As it perfectly fits this topic I decided to post it here, too.




    Greetz
    Plage

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    Unicus Ac Immortalis II Dark Avenger's Avatar
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    Quote Originally Posted by pchoiboi View Post
    im main. admin clerk for the USMC and i saw records that dated back to Nam
    could not believe the Cobras been around for that long
    The USMC were impressed by the Cobra's preformance, so they wanted them too. They even got some single engined G models from the Army to use until the J model (the first with P&WC TwinPac engine and other Marine required mods) was ready.
    Bell at some point proposed a four-blade rotor for the Cobra (the same as the Model 412 in fact) which was tested on an AH-1S.

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    Additonal infos...

    The Marines also operated armed Hueys in Vietnam, and ordered their own version of the Cobra in May 1968. The USMC desired a twin engine AH-1G; thus, the SEA COBRA (AH-1J) was developed. Featuring the Pratt and Whitney Twinpac T400 engine (two 900-hp turboshaft engines coupled together) giving an overall increase in installed power, the AH-1J Sea Cobra included a new nose turret gun, the three barrel XM-197 20mm and other improvements. While development and production of the first 49 ordered were under way, the Marines obtained 38 AH-1Gs from the Army.

    Source: http://www.globalsecurity.org/milita...raft/ah-1j.htm

    Greetz
    Plage

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    Some photos of camo snakes. The first two are from the NETT (New Equipment Training Team) and the third is from B/1/9th Cav.






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