# Accident 19800911042459A: Bell 47G5A, Yuma, AZ, September 11, 1980

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 11, 1980, 02:00 local time
- Place: Yuma, AZ
- Damage: Destroyed
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Location: 32.7253° N, 114.6244° W: Placed by OpenAirDocs: center of Yuma, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7253&lon=-114.6244&mi=10
- Aircraft: N7990J, a cancelled registration (https://openairdocs.org/deregistered/N7990J-2014-11-19) (OpenAirDocs)
- Registry model: Bell 47G-5A (registry code 1181034, https://openairdocs.org/model/bell-47g-5a) (OpenAirDocs)
- Registry engine: Lycoming VO-435 series (registry code 41525, https://openairdocs.org/engine/lycoming-vo-435-series) (OpenAirDocs)
- Reported make and model: BELL 47G5A
- Fatal injuries: 0
- Pilot flight hours: 3,016 total, 414 in this make and model, 334 in the last 90 days
- NTSB investigation: [NTSB LAX80FUK01](https://openairdocs.org/ntsb/LAX80FUK01) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19800911042459A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

LOST ROTOR RPM ON NIGHT SPRAY RUN. STRUCK TREE ON EMERGENCY LANDING. FOUND ROTOR TRANSMISSION BEARING FAILURE.

## The NTSB's investigation of this event (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 LAX80FUK01](https://openairdocs.org/ntsb/LAX80FUK01), Sep 11, 1980: Bell 47G-5A (N7990J), Yuma, AZ, destroyed

## Other reports on N7990J (1)

Matched to the same aircraft by N-number and date.

- [Incident 19840731066319I](https://openairdocs.org/incident/19840731066319I), Jul 31, 1984: Bell 47G5A (N7990J), Yuma, AZ, Minor damage. Engine lost power due to a stuck valve. Hard landing in cotton field caused main rotors to chop off the tailboom.

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. For accidents, the NTSB's own investigation is the fuller record.

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