Call Alerter
No failure report names the call alerter. 2 FAA approvals let 1 company make a replacement call alerter, Hughes Defense Communications holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a call alerter and sell it as an approved part for the models named. These are the companies holding such approvals for a call alerter:
For these models most: Mcdonnell Douglas DC-9 (1), Gulfstream G-IV Gulfstream IV (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Hughes Defense Communications | Call Alerter Switch 725256-801 | Modification Part | Gulfstream G-IV | 1997-04-01 | current |
| Hughes Defense Communications | Call Alerter Switch 725256-801 | Modification Part | McDonnell Douglas DC-9-87 | 1997-04-01 | 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.