# N151MT: M C Thomas Const STEWART S-51, registration cancelled 1998-09-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 25, 1998
- Status when cancelled: Valid registration
- Airframe: [M C Thomas Const STEWART S-51](https://openairdocs.org/model/m-c-thomas-const-stewart-s-51) (registry code 05605Q4)
- Serial number: 125
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 20, 1998
- Last registry action: March 20, 1998
- Mode S code: A0CF0B
- Owner when cancelled: [M C Thomas Construction Co Inc](https://openairdocs.org/faa-owner/M%20C%20THOMAS%20CONSTRUCTION%20CO%20INC)
- Location: [San Luis Obispo, CA](https://openairdocs.org/faa-place/CA/San%20Luis%20Obispo)
- Owner type: Corporation
- Owner's area on the map: 35.2359° N, 120.6160° W: Placed by OpenAirDocs at the center of ZIP code 93401, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N151MT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=151MT
- Page: https://openairdocs.org/deregistered/N151MT-1998-09-25

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the M C Thomas Const STEWART S-51: https://openairdocs.org/model/m-c-thomas-const-stewart-s-51.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX98LA258](https://openairdocs.org/ntsb/LAX98LA258), Aug 5, 1998: M. C. Thomas Stewart S-51 (N151MT), Jackson, CA, substantial damage. Probable cause: Failure of the propeller governor pulley drive shaft due to a modification made to the system by the owner that included welding a retaining pin to the center of the heat treated drive shaft, which…

## 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.

- [Accident 19980805019749A](https://openairdocs.org/incident/19980805019749A), Aug 5, 1998: Amtr STEWARTS51 (N151MT), Jackson, CA, Substantial damage. Acft experienced engine failure, lost all power and made an emergency landing on highway 88, on landing, the acft ran off the highway and struck a tree. (.4)…

## Other aircraft with N151MT

- [Registered now](https://openairdocs.org/aircraft/N151MT): Cessna T210L, S/N 21059861, built 1973

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