# N105FR: 1979 Messerschmitt-Bolkow-Blohm GMB BO 105M

- Status: Valid registration
- Airframe: [Messerschmitt-Bolkow-Blohm GMB BO 105M](https://openairdocs.org/model/messerschmitt-bolkow-blohm-gmb-bo-105m) (registry code 5626034, 5 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 5004
- Year built: 1979
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, research and development
- Airworthiness date: April 14, 2017
- Certificate issued: May 25, 2023
- Expires: May 31, 2030
- Mode S code: A017D4
- Registered owner: [National Test Pilot School](https://openairdocs.org/faa-owner/NATIONAL%20TEST%20PILOT%20SCHOOL)
- Location: [Mojave, CA](https://openairdocs.org/faa-place/CA/Mojave)
- Owner type: Corporation
- Owner's area on the map: 35.0658° N, 118.2218° W: Placed by OpenAirDocs at the center of ZIP code 93501, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=105FR
- Page: https://openairdocs.org/aircraft/N105FR

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 (Messerschmitt-Bolkow-Blohm GMB BO 105M)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N105FR.

## FAA accident and incident reports

None matched to N105FR.

## 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.

## Related

- Other Messerschmitt-Bolkow-Blohm GMB BO 105M aircraft: https://openairdocs.org/model/messerschmitt-bolkow-blohm-gmb-bo-105m/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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