Flexible Coupling
No failure report names the flexible coupling. 6 FAA approvals let 5 companies make a replacement flexible coupling, Rotair Industries INC holding the most (2).
Approved replacement parts 6 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a flexible coupling and sell it as an approved part for the models named. These are the companies holding such approvals for a flexible coupling:
For these models most: Sikorsky S-61 (2), Lockheed Martin Corp 382 (1), Airbus Canada Ltd Ptnrsp BD-500 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Defense and Development Enterprises LLC | Flexible Coupling Chain 8445-9D | 8445-9 | Lockheed Martin Corporation 382, 382B, 383E | 2026-01-05 | current |
| Safran Cabin INC. | Flexible Coupling 3-23656-05D | 3-23656-05D | Airbus Canada... BD-500-1A10 | 2025-08-18 | current |
| Airtomic | Flexible Coupling AIR24088 | GE Carrier Sleeve 1809M19P01, installed on NHA... | General Electric CF6-80E1, CF6-80C2 FADEC, CF6-80C2 PMC | 2018-01-18 | current |
| Airtomic - A Dover Company (Formerly Cook Airtomic) | Flexible Coupling AIR23725 | GE P/N: 1473M19P01, Coupling Tube, HPT Active... | General Electric CF6-80C2A5F, CF6-80C2B6FA, CF6-80C2B1F | 2007-10-01 | current |
| Rotair Industries INC | Flexible Coupling R6135-64210-101 | Sikorsky S6135-64210-101 | Sikorsky S-61A/D(T.C.H2EA) S-61L/N/NM/R (T.C.1H15) | 1996-04-08 | current |
| Rotair Industries INC | Flexible Coupling R65361-04005-101 | Sikorsky S65361-04005-101 | Sikorsky S-61L/N/NM/R (TC 1H15), S-62A (TC 1H13) | 1993-03-15 | 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.