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Acoustic Stealth or how i get a aircraft quiet
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<blockquote data-quote="quellish" data-source="post: 60926" data-attributes="member: 750"><blockquote data-quote="mr_london_247"><p>Hello all,</p><p></p><p>The CIA's Vietnam era "Quiet One" OH-6's are interesting as far as the Heli discussion goes:</p><p></p><p>http://www.airspacemag.com/military-aviation/the_quiet_one.html?page=1</p></blockquote><p></p><p>That program was really the genesis of both LO rotorcraft and special operations-specific helicopters. The "Quiet One" later lead to the CIA SEASPRAY special mission MD-500s, which directly lead to the AH-6 and MH-6 used by the Army. Hughes continued to work on quieting technology, some of this surfaced in a 1990 AW&ST article on new quieting technology for the MD-500.</p><p>Some of the technologies developed for the A160 UAV also can be used to reduce the noise signature, from what I understand.</p></blockquote><p></p>
[QUOTE="quellish, post: 60926, member: 750"] [quote="mr_london_247"] Hello all, The CIA's Vietnam era "Quiet One" OH-6's are interesting as far as the Heli discussion goes: http://www.airspacemag.com/military-aviation/the_quiet_one.html?page=1 [/quote] That program was really the genesis of both LO rotorcraft and special operations-specific helicopters. The "Quiet One" later lead to the CIA SEASPRAY special mission MD-500s, which directly lead to the AH-6 and MH-6 used by the Army. Hughes continued to work on quieting technology, some of this surfaced in a 1990 AW&ST article on new quieting technology for the MD-500. Some of the technologies developed for the A160 UAV also can be used to reduce the noise signature, from what I understand. [/QUOTE]
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