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FAA PMA replacements for

U-221557

4 approvals from 3 holders

See the OEM part record for U-221557 →

Approved PMA parts

PMA part numberHolderStatusSupplementPart name
U221557Electromech Technologies IncCurrent2018-10-22Synchrotransmitter
U221557ADS/TranscoilCurrent2010-05-20Synchrotransmitter
U221557ADS/TranscoilCurrent2005-07-06Synchrotransmitter
U-221557Transicoil IncCurrent1998-02-17Synchrotransmitter
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