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Civil Vs. Military Headsets  
User currently offlineEastern L1011 From United States of America, joined May 1999, 127 posts, RR: 2
Posted (14 years 3 weeks 6 days 20 hours ago) and read 7390 times:

I am in the process of starting private pilot lessons and obviously I would like to use my own headset. My boyfreind was a Bomb/Nav in B-52's and he has some really nice headsets leftover from his career. I am pretty sure that the connections are different between civil and military aircraft. Is there any type of adapter made so I can use a military headset in a civilian aircraft? Thanks in advance,

Eastern L1011

2 replies: All unread, jump to last
User currently offlineSaintsman From United Kingdom, joined Mar 2002, 2065 posts, RR: 2
Reply 1, posted (14 years 3 weeks 6 days 20 hours ago) and read 7372 times:

Military headsets usually have a singular NATO connector, whereas a civilian headset has two connectors - a separate connector for the mic and the second for the tels (one for talking, one for listening). Adaptors are readily available so you should have no problems.

I assume that the B52 has the standard NATO connector.

User currently offlineChdmcmanus From United States of America, joined Mar 2001, 374 posts, RR: 2
Reply 2, posted (14 years 3 weeks 6 days 10 hours ago) and read 7325 times:

The US military headsets normally have a U-174U male connector, which requires a U-94PTT or U-92A/U female connection. The KC-10 and C-17 are exceptions to this. An adapter may be obtained from Sporties or a number of other retailers, however; military interphone systems are designed for use with military radios, which are low impedance. Civilian radios/headsets are high impedance, and thus a simple adapter may not work. The Nato plugs are AM-626 /AM-671, which is identical to the U-174U in shape, but the connections are different. You can find the impedance adapters on E-bay occasionally, but I am unaware of any current manufactures.


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