Aviation Services Directory / Maintenance and MRO / United States / California
Otto Instrument Service Inc
Maintenance and MRO, Ontario, California
Otto Instrument Service Inc is an FAA-certificated repair station in Ontario, California (certificate WE2R263L). It holds airframe, radio, instrument and accessory ratings. Its approval is also accepted under EASA, UK CAA agreements.
| Address | 1441 Valencia Place, Ontario California 91761, United States |
|---|---|
| FAA repair station certificate | WE2R263L |
| Airframe | specific makes, models or parts (limited) |
| Radio | communication equipment; navigation equipment; specific makes, models or parts (limited) |
| Instrument | mechanical instruments; electrical instruments; gyroscopic instruments and autopilot units; electronic instruments |
| Accessory | mechanical accessories; electrical accessories; electronic accessories |
| Also accepted under | EASA, UK CAA |
From the FAA's public list of certificated repair stations, data dated 2026-10-12. Limited ratings cover specific makes, models or parts set out in the station's FAA operations specifications; confirm scope with the station before booking work.
Listing in this directory is not an endorsement. Check approvals, insurance and references before you engage any provider.
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