# N234B: 1950 Bell 47D1, registration cancelled 2012-09-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 4, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802)
- 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: 175
- Year built: 1950
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: March 30, 1962
- Certificate issued: July 18, 1984
- Last registry action: June 17, 2008
- Mode S code: A21775
- Owner when cancelled: [Choy Kenneth D H](https://openairdocs.org/faa-owner/CHOY%20KENNETH%20D%20H)
- Location: [Honolulu, HI](https://openairdocs.org/faa-place/HI/Honolulu)
- Owner type: Individual
- Owner's area on the map: 21.2912° N, 157.7909° W: Placed by OpenAirDocs at the center of ZIP code 96816, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N234B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=234B
- Page: https://openairdocs.org/deregistered/N234B-2012-09-04

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 47D1: https://openairdocs.org/model/bell-47d1.md

## NTSB investigations (3)

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 LAX79FJA17](https://openairdocs.org/ntsb/LAX79FJA17), Oct 19, 1979: Bell 47D1 (N234B), Pearl City, HI, substantial damage
- [NTSB LAX70FUD08](https://openairdocs.org/ntsb/LAX70FUD08), Mar 18, 1970: Bell 47D (N234B), Venice, CA, substantial damage
- [NTSB LAX65A0059](https://openairdocs.org/ntsb/LAX65A0059), Jan 9, 1965: Bell 47D1 (N234B), Granada Hls, CA, substantial damage

## 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 19791019031449A](https://openairdocs.org/incident/19791019031449A), Oct 19, 1979: Bell 47D1 (N234B), Pearl City, HI, Substantial damage. Partial power loss due to warped exhaust valve. Pilot made hard autoratative landing downwind. Rotor hit tail boom.

## Other aircraft with N234B

- [Registered now](https://openairdocs.org/aircraft/N234B): Heimberger Robert J MAGNI M22, S/N 22181204, built 2018

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.