External Oxygen
No failure report names the external oxygen. 3 FAA approvals let 2 companies make a replacement external oxygen, American Eurocopter LLC holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a external oxygen and sell it as an approved part for the models named. These are the companies holding such approvals for a external oxygen:
For these models most: Messerschmitt-Bolkow-Blohm Gmb BO-105 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| American Eurocopter LLC | External Oxygen System, EOS w/Electrical System 117-861024 | Modification Part | Eurocopter Deutschland MBB-BK 117 A-1, A-3, A-4 | 2003-08-10 | current |
| American Eurocopter LLC | External Oxygen System, EOS w/Electrical System 117-861024 | Modification Part | Eurocopter Deutschland MBB-BK 117 A-1, A-3, A-4 | 2003-08-10 | current |
| Metro Aviation INC | External Oxygen System Kit 105-1 | Modification Part | Messerschmitt-Bolkow-... BO-105c and BO-105S | 1990-11-20 | 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.