Orion
No failure report names the orion. 2 FAA approvals let 1 company make a replacement orion, Whelen Aerospace Technologies holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a orion and sell it as an approved part for the models named. These are the companies holding such approvals for a orion:
For these models most: Pilatus PC-12 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Whelen Aerospace Technologies | Orion 660, Model OR660PR, 28VDC Red 01-0790877-18 | 9728769354 | Pilatus Aircraft Ltd PC-12, PC-12/45, PC-12/47 | 2025-08-08 | current |
| Whelen Aerospace Technologies | Orion 660, Model OR660PG, 28VDC Green 01-0790877-17 | 9728769353 | Pilatus Aircraft Ltd PC-12, PC-12/45, PC-12/47 | 2025-08-08 | current |
Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.