Pol Sub
No failure report names the pol sub. 2 FAA approvals let 1 company make a replacement pol sub, Glenair INC holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a pol sub and sell it as an approved part for the models named. These are the companies holding such approvals for a pol sub:
For these models most: Airbus Helicopters EC-135 now H135 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Glenair INC | 50POL.D-SUB EMI HOOD MET M5006P | M5006P | Eurocopter EC135 | 2012-04-29 | current |
| Glenair INC | 50POL.D-SUB EMI HOOD MET 557-539 | 557-539 | Eurocopter EC135 | 2012-04-29 | 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.