# Mueller Avionics: FAA repair station QYVR044J

- Type: FAA-certificated repair station (14 CFR Part 145)
- Certificate number: QYVR044J
- Designator: QYVR
- Name on the FAA list: MUELLER AVIONICS
- Address: 584 WETHERBY TERRACE DRIVE, BALLWIN, MO 63021
- Phone: (314) 630-4722
- Email: muellers@msn.com
- Accountable manager: MUELLER, H. JAMES JR., (314) 630-4722
- Liaison: MUELLER, H. JAMES JR, (314) 630-4722, muellers@msn.com
- On the FAA list: On the list of October 26, 2026; listed since October 26, 2026 or earlier (OpenAirDocs’ first copy)
- Service difficulty reports filed: 0
- Source: FAA Find a Facility dashboard, https://www.faa.gov/av-info/facility-dashboard
- Page: https://openairdocs.org/faa-repair-station/QYVR044J/mueller-avionics

The FAA writes names in capitals; the mixed case here is OpenAirDocs'. The dashboard has no certificate dates, and nothing on it shows whether a certificate is in good standing.

## Ratings

- Airframe: Limited
- Radio: Class 1 (Communication equipment); Class 2 (Navigational equipment); Limited
- Instrument: Limited

A Limited class covers only the makes and models in the station's operations specifications (14 CFR 145.61), which the FAA doesn't publish.

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