FAA PMA replacements for
U-221557
4 approvals from 3 holders
Approved PMA parts
| PMA part number | Holder | Status | Supplement | Part name |
|---|---|---|---|---|
| U221557 | Electromech Technologies Inc | Current | 2018-10-22 | Synchrotransmitter |
| U221557 | ADS/Transcoil | Current | 2010-05-20 | Synchrotransmitter |
| U221557 | ADS/Transcoil | Current | 2005-07-06 | Synchrotransmitter |
| U-221557 | Transicoil Inc | Current | 1998-02-17 | Synchrotransmitter |

