Coupling Tube
No failure report names the coupling tube. 3 FAA approvals let 3 companies make a replacement coupling tube, Rotair Aerospace Corporation holding the most (1).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a coupling tube and sell it as an approved part for the models named. These are the companies holding such approvals for a coupling tube:
For these models most: Sikorsky S-70 (1), Cessna 525 CitationJet (CJ series) (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Rotair Aerospace Corporation | COUPLING TUBE R70309-02111-104 | 70309-02111-104 | Sikorsky Aircraft Corporation S-70A, S-70C | 2025-12-09 | current |
| Jet Avion Corporation A Heico Aerospace Company | Coupling-Tube 1473M19P01JA | General Electric P/N 1473M19P01 | General Electric... CF6-80C2A1, CF6-80C2A2, CF6-80C2A3 | 2020-07-13 | current |
| Aero Tech Aviation Design LLC | Coupling Tube TA05-1116000-D005 | 6315351-10 | Cessna 525, 525A, 525B | 2017-08-20 | 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.