Human External
No failure report names the human external. 2 FAA approvals let 2 companies make a replacement human external, Mechanical Specialties LLC holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a human external and sell it as an approved part for the models named. These are the companies holding such approvals for a human external:
For these models most: Bell 412 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Bell Textron INC | Human External Cargo (HEC) Hoist Installation AA-15035 | Modification Parts | Bell Textron Inc. 412EP | 2021-04-30 | current |
| Mechanical Specialties LLC | 369 HUMAN EXTERNAL CARGO HOOK SYSTEM 369-430-100 | Modification Part | MDHI (Hughes) 369D, 369E, 369F | 2021-04-05 | 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.