At
No failure report names the at. 2 FAA approvals let 2 companies make a replacement at, Magellan Aerospace (Formerly Aeronca INC) holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a at and sell it as an approved part for the models named. These are the companies holding such approvals for a at:
For these models most: Air Tractor Inc AT-402 (2), Air Tractor Inc AT-401 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Magellan Aerospace (Formerly Aeronca INC) | AT401/OE600A Installation PMA Parts List (Kit) AT401-ST3257CH-A | Modification Part | Air Tractor AT-401, AT-401A, AT-401B | 2003-02-04 | current |
| Aeronca INC | AT401/OE600A Installation PMA Parts List (Kit) AT401-ST3257CH-A | Modification Part | Air Tractor AT-401, AT-401A, AT-401B | 2002-07-25 | 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.