PMA

Aug 29, 2008 - 12:57 PM
The FAA recently stopped short of chiding OEMs for threatening to invalidate warranties if FAA-approved PMA (parts manufacturing approval) parts are used i
Aug 5, 2008 - 6:59 AM
PMA parts maker Extex is finding current business so good it has embarked on an ambitious new expansion program.
Mar 15, 2007 - 10:54 AM
Helicopter owners who use after-market parts made by Extex (Booth No.