# N171S: 1959 Beech H50, registration cancelled 2011-06-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 8, 2011
- Status when cancelled: Registration pending, canceled
- Airframe: [Beech H50](https://openairdocs.org/model/beech-h50) (registry code 1152534)
- Engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529)
- Data sheets: [TCDS 5A4](https://openairdocs.org/tcds/5A4), [TCDS E-284](https://openairdocs.org/tcds/E-284) (OpenAirDocs)
- Serial number: HH-125
- Year built: 1959
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: December 8, 1959
- Last registry action: October 22, 2004
- Mode S code: A11E74
- Location: [League City, TX](https://openairdocs.org/faa-place/TX/League%20City)
- Owner type: Individual
- Owner's area on the map: 29.5037° N, 95.0872° W: Placed by OpenAirDocs at the center of ZIP code 77573, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N171S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=171S
- Page: https://openairdocs.org/deregistered/N171S-2011-06-08

From the FAA registry file of October 28, 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 Beech H50: https://openairdocs.org/model/beech-h50.md

## NTSB investigations (2)

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 NYC05FA006](https://openairdocs.org/ntsb/NYC05FA006), Oct 17, 2004: Beech H50 (N171S), Hartwood, VA, destroyed, 1 fatal. Probable cause: The pilot's inadequate preflight preparation, which resulted in an attempted takeoff with full flaps, and subsequent loss of control.
- [NTSB BFO91LA073](https://openairdocs.org/ntsb/BFO91LA073), Jul 14, 1991: Beech H50 (N171S), Hartwood, VA, substantial damage. Probable cause: THE PARACHUTIST FAILURE TO PROPERLY MONITOR AND SECURE HIS RELEASE HANDLE TO PROTECT AGAINST ACCIDENTAL PARACHUTE DEPLOYMENT.

## 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 20041017031089A](https://openairdocs.org/incident/20041017031089A), Oct 17, 2004: Beech H50 (N171S), Somerville, VA, Destroyed, 1 fatal. (-23) During takeoff, N171S experienced an apparent power problem. The airplane rolled left just off the end of runway 35 and descended at a 90 degree angle…

## Other aircraft with N171S

- [Registered now](https://openairdocs.org/aircraft/N171S): Mark Rock EVOLUTION, S/N EVO-0079, built 2017

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