Doubler Top
No failure report names the doubler top. 5 FAA approvals let 4 companies make a replacement doubler top, Cub Crafters INC holding the most (2).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a doubler top and sell it as an approved part for the models named. These are the companies holding such approvals for a doubler top:
For these models most: Piper PA-18 Super Cub (2), Israel Aircraft Industries GALAXY (2), Piper PA-19 (1), Leonardo Spa AW169 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aviation Completion Innovations, INC | Doubler Top 69160-802-02 | 69160-802-02 | Leonardo S.p.a. AW169 | 2024-12-02 | current |
| Cub Crafters INC | Rear Doubler Top 101801-00 | Modification Part | Piper Aircraft, Inc. PA-18, PA -18S, PA-18 105 (Special) | 2013-09-23 | current |
| Cub Crafters INC | Rear Doubler Top 101801 | Modification Part | Piper PA-18, -18S, -18 105 | 2001-09-04 | current |
| Gulfstream Aerospace LP | Doubler Top 4AS1750032-001 | IAI 4AS1750032-001 | Gulfstream Galaxy | 2001-06-06 | current |
| Galaxy Aerospace CO LP | Doubler Top 4AS1750032-001 | IAI 4AS1750032-001 | Gulfstream Galaxy | 2001-05-08 | 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.