# N186SB: 2004 Maule MT-7-420, registration cancelled 2012-08-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 9, 2012
- Status when cancelled: Registration pending, canceled
- Airframe: [Maule MT-7-420](https://openairdocs.org/model/maule-mt-7-420) (registry code 5460192)
- Engine: [Allison 250 series](https://openairdocs.org/engine/allison-250-series) (registry code 03019)
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23) (OpenAirDocs)
- Serial number: 51001C
- Year built: 2004
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: February 27, 2004
- Last registry action: August 30, 2010
- Mode S code: A15888
- Location: [Caldwell, ID](https://openairdocs.org/faa-place/ID/Caldwell)
- Owner type: Individual
- Owner's area on the map: 43.7102° N, 116.7376° W: Placed by OpenAirDocs at the center of ZIP code 83607, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N186SB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=186SB
- Page: https://openairdocs.org/deregistered/N186SB-2012-08-09

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 Maule MT-7-420: https://openairdocs.org/model/maule-mt-7-420.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 SEA05FA004](https://openairdocs.org/ntsb/SEA05FA004), Oct 8, 2004: Maule MT-7-420 (N186SB), Bend, OR, substantial damage. Probable cause: Loss of engine power during takeoff climb for undetermined reasons. Rough terrain was a factor.

## 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 20041008035409A](https://openairdocs.org/incident/20041008035409A), Oct 8, 2004: Maule MT7420 (N186SB), Bend, OR, Substantial damage. (-23) Accident still under investigation. Mechanical components to be evaluated for internal failures by manufacturer. Result to be forthcoming.

## Other aircraft with N186SB

- [Registered now](https://openairdocs.org/aircraft/N186SB): Cirrus Design SR20, S/N 8810, built 2022

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