Volt Ammeter
No failure report names the volt ammeter. 3 FAA approvals let 2 companies make a replacement volt ammeter, B & D Instruments & Avionics INC 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 volt ammeter and sell it as an approved part for the models named. These are the companies holding such approvals for a volt ammeter:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Spirent Systems Wichita INC | Volt-Ammeter 0302-501 | Gulfstream 850174-517 | Twin Commander 690C, (S/N 11600-11999), 695 (S/N... | 2000-10-26 | current |
| B & D Instruments & Avionics INC | Volt-Ammeter 0302-051 | Gulfstream Commander 850174-517 | Twin Commander 690C (S/N 11600-11999), 695 (S/N... | 1995-10-30 | current |
| B & D Instruments & Avionics INC | Volt-Ammeter 7441-300-0-2 | Gulfstream Commander 850174-503 | Twin Commander 690A (S/N 11000-11349), 690B (S/N... | 1995-10-30 | 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.