# N999SJ: 1963 Bell UH-1B, registration cancelled 2020-05-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 29, 2020
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Bell UH-1B](https://openairdocs.org/model/bell-uh-1b) (registry code 1181410)
- Engine: [Lycoming T-53 series](https://openairdocs.org/engine/lycoming-t-53-series) (registry code 41552)
- Serial number: 1025
- Year built: 1963
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 27, 1990
- Certificate issued: February 4, 2014
- Last registry action: January 30, 2017
- Mode S code: ADF5AB
- 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/N999SJ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=999SJ
- Page: https://openairdocs.org/deregistered/N999SJ-2020-05-29

From the FAA registry file of November 7, 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 UH-1B: https://openairdocs.org/model/bell-uh-1b.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 LAX99LA283](https://openairdocs.org/ntsb/LAX99LA283), Aug 25, 1999: Bell UH-1B (N999SJ), Lost Hills, CA, substantial damage. Probable cause: Failure and separation of the 90-degree gearbox as a result of the disengagement of the pinion and gear teeth. The cause(s) of the pinion and gear disengagement were undetermined.

## 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 19990824013459A](https://openairdocs.org/incident/19990824013459A), Aug 24, 1999: Bell UH1B (N999SJ), Lost Hills, CA, Substantial damage. 1963 Bell UH-1B helicopter crashed on take-off and sustained substantial damage, other circumstances are unknown.(-23) a BHT-UH1B heli, N99SJ, serial #1025,…

## Other aircraft with N999SJ

- [Registered now](https://openairdocs.org/aircraft/N999SJ): Cirrus Design SR22, S/N 10873, built 2025

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