# N933B: Bell 47G, registration cancelled 2017-06-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 30, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002)
- Engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033)
- Data sheets: [TCDS H-1](https://openairdocs.org/tcds/H-1), [TCDS E-244](https://openairdocs.org/tcds/E-244) (OpenAirDocs)
- Serial number: 662
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 19, 1961
- Certificate issued: August 23, 1990
- Last registry action: December 31, 2002
- Mode S code: ACF0E7
- Owner when cancelled: [B And S Flying Svc Inc](https://openairdocs.org/faa-owner/B%20AND%20S%20FLYING%20SVC%20INC)
- Location: [Ardmore, OK](https://openairdocs.org/faa-place/OK/Ardmore)
- Owner type: Corporation
- Owner's area on the map: 34.2077° N, 97.1068° W: Placed by OpenAirDocs at the center of ZIP code 73401, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N933B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=933B
- Page: https://openairdocs.org/deregistered/N933B-2017-06-30

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 Bell 47G: https://openairdocs.org/model/bell-47g.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 FTW94LA166](https://openairdocs.org/ntsb/FTW94LA166), May 18, 1994: Bell 47G (N933B), Sulphur, OK, substantial damage. Probable cause: THE LOSS OF ENGINE POWER DUE TO THE FAILURE OF AN ENGINE ACCESSORY OIL PUMP GEAR. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE AUTOROTATION.
- [NTSB OAK76DVM08](https://openairdocs.org/ntsb/OAK76DVM08), Aug 20, 1975: Bell 47G (N933B), King City, CA, substantial damage

## FAA accident and incident reports (3)

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 19940518011819A](https://openairdocs.org/incident/19940518011819A), May 18, 1994: Bell 47G (N933B), Sulphur, OK, Substantial damage. Engine failed on spray run pullup. Unable full autoratation. Hard impact. Cut tailboom. Oil pump drive gear failed.
- [Incident 19780202005569I](https://openairdocs.org/incident/19780202005569I), Feb 2, 1978: Bell 47G (N933B), Huron, CA, Minor damage. Helicopters engine quit after refueling from nurse rig. Fuel pumped from barrell. Contained rusty water.
- [Accident 19750820028299A](https://openairdocs.org/incident/19750820028299A), Aug 20, 1975: Bell 47G (N933B), King City, CA, Substantial damage. Main rotors severed tail boom.

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