Ils Switch
No failure report names the ils switch. 2 FAA approvals let 2 companies make a replacement ils switch, Dow-Key Microwave CORP 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 ils switch and sell it as an approved part for the models named. These are the companies holding such approvals for a ils switch:
For these models most: Mcdonnell Douglas DC-10 (1), Airbus A340 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Butler National Corporation | ILS Switch Unit 001047-101 | 001047-101 | McDonnell Douglas DC-10 Series 10, 30 and 40. | 2003-02-23 | current |
| Dow-Key Microwave CORP | ILS Switch 402-188-3 | 402-188-3 | Airbus A340-642 | 2003-01-11 | 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.