Grip Main
No failure report names the grip main. 2 FAA approvals let 1 company make a replacement grip main, Helicopter Technology 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 grip main and sell it as an approved part for the models named. These are the companies holding such approvals for a grip main:
For these models most: Bell 47 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Helicopter Technology INC | Grip Main Rotor Helicopter Tech, Inc. P/N... | Bell P/N 47-120-135-5 and 107 | Bell Helicopter 47D, 47D-1, 47G | 2011-12-08 | current |
| Helicopter Technology INC | Grip Main Rotor Helicopter Tech, Inc. P/N... | Bell P/N 47-120-252-115 | Bell Helicopter 47G-2/-2A/-2A-1,... | 2011-11-21 | 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.