# N46991: Hiller OH-23D, registration cancelled 2013-08-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 15, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hiller OH-23D](https://openairdocs.org/model/hiller-oh-23d) (registry code 4360123)
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10) (OpenAirDocs)
- Serial number: 962
- Type of aircraft: Rotorcraft
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: March 1, 1983
- Certificate issued: November 9, 1981
- Last registry action: April 21, 2009
- Mode S code: A5BEB7
- Owner when cancelled: [San Joaquin Helicopters](https://openairdocs.org/faa-owner/SAN%20JOAQUIN%20HELICOPTERS)
- Location: [Delano, CA](https://openairdocs.org/faa-place/CA/Delano)
- Owner type: Corporation
- Owner's area on the map: 35.7795° N, 119.1919° W: Placed by OpenAirDocs at the center of ZIP code 93215, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N46991
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=46991
- Page: https://openairdocs.org/deregistered/N46991-2013-08-15

From the FAA registry file of October 31, 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 Hiller OH-23D: https://openairdocs.org/model/hiller-oh-23d.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 LAX88DVA17](https://openairdocs.org/ntsb/LAX88DVA17), Oct 1, 1988: Hiller UH12E (N46991), Mcfarland, CA, substantial damage
- [NTSB LAX87DVA05](https://openairdocs.org/ntsb/LAX87DVA05), Feb 19, 1987: Hiller OH23D (N46991), Coalinga, CA, substantial damage

## FAA accident and incident reports (2)

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 19880930044779A](https://openairdocs.org/incident/19880930044779A), Sep 30, 1988: Hiller UH12E (N46991), Mcfarland, CA, Substantial damage. Ran out of fuel on takeoff. Helicopter impacted in high cotton and rolled over.
- [Accident 19870219006079A](https://openairdocs.org/incident/19870219006079A), Feb 19, 1987: Hiller STCUH12 (N46991), Coalinga, CA, Substantial damage. The engine failed from fuel exhaustion. The helicopter landed hard. The pilot reported fuel gauge inoperative.

## Other aircraft with N46991

- [Cancelled 1950-11-28](https://openairdocs.org/deregistered/N46991-1950-11-28): Fairchild M-62A, S/N T41-1287. Owner: [F R Kerlock](https://openairdocs.org/faa-owner/F%20R%20KERLOCK), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis)

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