Maximum Ramp
No failure report names the maximum ramp. 2 FAA approvals let 2 companies make a replacement maximum ramp, Sierra Nevada CORP (Hgr) 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 maximum ramp and sell it as an approved part for the models named. These are the companies holding such approvals for a maximum ramp:
For these models most: Dehavilland DHC-7 (1), Cessna 402 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Sierra Nevada CORP (Hgr) | Maximum Ramp WeightIncreases ER115-1000 | ModificationPart | DeHavilland DHC-7-102 | 2021-10-28 | current |
| Ram Aircraft Limited Partnership | Maximum Ramp Weight and Maximum Takeoff Weight Installation Kit 1597 | Modification | Cessna 402C | 1993-05-18 | 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.