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Subject: RE: CH-46E SeaKnight old age?
macawman    3/21/2003 12:32:44 PM
Commentators mentioned the old(30+ years) age of CH-46s as a possible factor in the loss of one yesterday. Improved & modified Ch-46E first flew in Nov of 83.(Jane's)by 1989 all 273 CH-46Es were updated. I do not know if Marine Ch-46's have recieved further updates since then. Also weather conditions were poor because of the blowing sand and likely oil fire smoke in the area of the crash in Northern Kuwait.
 
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norden    RE: CH-46E SeaKnight old age?   3/21/2003 12:44:47 PM
Is the CH-46E considered our best heavy lift helo?
 
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macawman    RE: CH-46E SeaKnight old age?   3/21/2003 1:57:20 PM
The US Army's Chinook Ch-47D has a heavier lift capability. The CH-47 was the only heavy lift chopper capable of hovering and carrying a full load troops to the 14,000 ft level in Afganistan.
 
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Sam    RE: CH-46E SeaKnight old age?   3/25/2003 8:49:55 PM
46 is a med lift chopper. CH-53E is the current heavy lift bird in the US forces.
 
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Brock    RE: CH-46E SeaKnight old age?   6/23/2003 10:37:26 PM
The CH-46, CH-47A/B/C, and CH-53A/D were originally classified as "medium" lift helicopters, but today the Ch-46 remains the only "medium" lift of the 3 with a 3000-6000kg payload versus the 12,000-13,000kg+ of the CH-47D/SD/F & CH-53E variants
 
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Thomas    RE: CH-46E SeaKnight old age?   6/24/2003 3:04:11 AM
The Sea Knight is old, that's one of the reasons the marines should have the Osprey.
 
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AlbanyRifles    RE: CH-46E SeaKnight old age?   6/24/2003 7:55:45 AM
A point about upgrades. You hang new stuff on old air frames. You cna change some of the ribs, etc., but that old metal just wears out. So there may heav ebeen a force wide upgrade to CH-46Es, but they may have started life as a CH-46C air frame. Same with teh Army's CH-47Ds...
 
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Thomas    RE: CH-46E SeaKnight old age?   6/24/2003 9:12:14 AM
As the Ju 52/3m said to the C-130J:"Wait till You get old and wrikled too". It is a problem that airframes get a lifespan in excess of the expected. Especially aircraft, as their structure is calculated to be as light as possible - strange though: With the advances in fracture-mechanics the airframes of today are flimsier as opposed to the 1960'ies, where you just calculated a bigger safety-factor.
 
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