Radio Rack
No failure report names the radio rack. 4 FAA approvals let 3 companies make a replacement radio rack, Helifab, INC. holding the most (2).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a radio rack and sell it as an approved part for the models named. These are the companies holding such approvals for a radio rack:
For these models most: Bell 505 (2), Mcdonnell Douglas MD-11 (1), Mcdonnell Douglas DC-9 (1), Mcdonnell Douglas DC-10 (1), Mcdonnell Douglas Aircraft Co MD-88 (1), Beechcraft G58 (1), Beechcraft E95 (1), Beechcraft D95 (1), Beechcraft 95 Travel Air and Baron 55 (1), Beechcraft 58 Baron (1), Beechcraft 56 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Helifab, INC. | Radio Rack Installation Kit HF2101020 N01 | Modification Part | Bell Textron Canada Limited 505 | 2026-06-18 | current |
| Helifab, INC. | Radio Rack InstallationKit HF2101020 N01 | Modification Article | Bell Textron Canada Limited 505 | 2025-06-16 | current |
| Srs Aviation LLC | Radio Rack 96-340025-SRS | 96-340025 | Beechcraft 95-55, 95-A55, 95-B55 | 2017-10-30 | current |
| Ametek Rotron | Radio Rack Cooling 034964 | 034964 | McDonnell Douglas DC-9-81, -82, -83 | 1995-08-08 | 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.