# MTR Technologies: FAA repair station M93R549N

- Type: FAA-certificated repair station (14 CFR Part 145)
- Certificate number: M93R549N
- Designator: M93R
- Name on the FAA list: MTR TECHNOLOGIES
- Address: 2325 32ND AVENUE, BROOKINGS, SD 57006
- Accountable manager: RADTKE, DANIEL, (515) 240-1414, dradtke@mtrsd.com
- Liaison: RADTKE, DANIEL, (605) 692-8188, dradtke@mtrsd.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/M93R549N/mtr-technologies

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

- 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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