Sill Plate
0 failure reports named the sill plate in the last ten years, 13 since 1995. 2 FAA approvals let 2 companies make a replacement sill plate, Keystone Helicopter Corporation holding the most (1).
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 3 |
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a sill plate and sell it as an approved part for the models named. These are the companies holding such approvals for a sill plate:
For these models most: Sikorsky S-76 (1), Sikorsky S-61 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Carson Helicopters, INC. | Sill Plate 15400-3 | Modification Part | Sikorsky S-61N | 2021-08-23 | current |
| Keystone Helicopter Corporation | Sill Plate Installation 33776-52204 | 33776-52204 | Sikorsky S76C | 2001-06-10 | 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.