# N3979C: 1962 Bell UH-1B, registration cancelled 2014-12-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 2, 2014
- 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 41549)
- Serial number: 62-2048
- Year built: 1962
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control, other
- Airworthiness date: February 3, 1993
- Certificate issued: December 11, 1992
- Last registry action: January 28, 1999
- Mode S code: A4A060
- Owner when cancelled: [Clearwater Management Co Inc](https://openairdocs.org/faa-owner/CLEARWATER%20MANAGEMENT%20CO%20INC)
- Location: [Lewiston, ID](https://openairdocs.org/faa-place/ID/Lewiston)
- Owner type: Corporation
- Owner's area on the map: 46.2517° N, 116.9250° W: Placed by OpenAirDocs at the center of ZIP code 83501, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3979C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3979C
- Page: https://openairdocs.org/deregistered/N3979C-2014-12-02

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 SEA93LA207](https://openairdocs.org/ntsb/SEA93LA207), Sep 23, 1993: Bell UH-1B (N3979C), Pierce, ID, substantial damage. Probable cause: SEPARATION OF THE 90 DEGREE GEARBOX AFTER FATIGUE FAILURE OF THE GEARBOX ATTACH BOLTS. FACTORS INCLUDE HILLY/MOUNTAINOUS TERRAIN.

## 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 19930923036609A](https://openairdocs.org/incident/19930923036609A), Sep 23, 1993: Bell UH1B (N3979C), Pierce, ID, Substantial damage. 90 Degree gear box separated from helicopter. Landed hard during run on landing. Chopped tail. Attach bolts broke.
- [Incident 19860412021889I](https://openairdocs.org/incident/19860412021889I), Apr 12, 1986: Bell UH1B (N3979C), Turlock, CA, Minor damage. Following spray run aircraft lost RPM. Damage to cross tube and rotor. Hot section had failed.

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