Shelf Angle
No failure report names the shelf angle. 2 FAA approvals let 2 companies make a replacement shelf angle, Wipaire 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 shelf angle and sell it as an approved part for the models named. These are the companies holding such approvals for a shelf angle:
For these models most: Md Helicopters Inc MD 900 (1), Air Tractor Inc AT-802 (1), Air Tractor Inc AT-602 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Wipaire INC | Shelf Angle, Opposite 1012761 | Modification Article | Air Tractor AT-602, AT-802, AT-802A | 2024-10-30 | current |
| Heritage Aviation LTD | Shelf Angle A55-43004-29 | Modification Part | MD Helicopters, Inc. MD900 | 2009-08-26 | 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.