# N81721: Riehl Marvin H AVID FLYER

- Status: Valid registration
- Airframe: [Riehl Marvin H AVID FLYER](https://openairdocs.org/model/riehl-marvin-h-avid-flyer) (registry code 05616LB, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 489
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 14, 1989
- Certificate issued: October 9, 2025
- Expires: October 31, 2032
- Mode S code: AB2615
- Registered owner: [Air Resource LLC](https://openairdocs.org/faa-owner/AIR%20RESOURCE%20LLC)
- Location: [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell)
- Owner type: LLC
- Owner's area on the map: 48.2306° N, 114.4033° W: Placed by OpenAirDocs at the center of ZIP code 59901, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81721
- Page: https://openairdocs.org/aircraft/N81721

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Riehl Marvin H AVID FLYER)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N81721.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20250927014439I](https://openairdocs.org/incident/20250927014439I), Sep 27, 2025: Riehl Marvin H AVID FLYER (N81721), Newman Lake, WA, Minor damage. Airman flew from kdew (deer park, WA) to WN54 (Ellerport Airport-Newman Lake, WA) for an approximate 20 minute flight. Prior to flight, the PIC checked the…

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N81721

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N81721 before.

- [Cancelled 1982-03-29](https://openairdocs.org/deregistered/N81721-1982-03-29): Piper PA-34-220T, S/N 34-8233088. Exported to Cameroon. Owner: [Globe Aero Limited Inc](https://openairdocs.org/faa-owner/GLOBE%20AERO%20LIMITED%20INC), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland)

## Related

- Other Riehl Marvin H AVID FLYER aircraft: https://openairdocs.org/model/riehl-marvin-h-avid-flyer/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

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