Apx Transponder
No failure report names the apx transponder. 3 FAA approvals let 2 companies make a replacement apx transponder, Sierra Nevada Company LLC holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a apx transponder and sell it as an approved part for the models named. These are the companies holding such approvals for a apx transponder:
For these models most: Polskie Zaklady Lotnicze Spzoo PZL M28 05 (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Sierra Nevada Company LLC | APX-119 Transponder MDL 0284-0200-0006 | Modification Article | Polskie Zaklady... PZL M28 05 | 2024-01-22 | current |
| Sierra Nevada Company LLC | APX-119 Transponder MDL 0284-0200-0006 | Modification Article | Polskie Zaklady... PZL M28 05 | 2023-12-20 | current |
| Sierra Nevada CORP | APX-119 Transponder MDL 0284-0200-0006 | Modification Article | Polskie Zaklady... PZL M28 05 | 2021-03-01 | 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.