Rad
No failure report names the rad. 4 FAA approvals let 3 companies make a replacement rad, Gm Nameplate 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 rad and sell it as an approved part for the models named. These are the companies holding such approvals for a rad:
For these models most: Mcdonnell Douglas DC-10 (2), Boeing 767 (2), Mcdonnell Douglas DC-9 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Gm Nameplate | M11556 RAD BAC27TEL81 | BAC27TEL81 | Boeing 767 Series | 2006-01-27 | current |
| Gm Nameplate | M11556 RAD BAC27TEL130 | BAC27TEL130 | Boeing 767 Series | 2006-01-27 | current |
| Butler National Corporation | RAD/INS Switch Unit 001034-101 | 001034-101 | McDonnell Douglas DC-9-81, 82, 83 | 2003-02-23 | current |
| Woodson Avionics INC | RAD/INS Sw. Unit 001034-101 | McDonnell Douglas 001034-101 | McDonnell Douglas DC-10 Series 10, 30 and 40 | 1997-08-04 | 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.