# Accident 19920703026479A: Bell 47G5, Mesa, AZ, July 3, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 3, 1992, 21:14 local time
- Place: Mesa, AZ
- Damage: Destroyed
- Phase of flight: To Vertical (Helicopter Only)
- Operating rules: Agricultural (Part 137)
- Operator: ONGG
- Location: 33.4400° N, 111.8504° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.4400&lon=-111.8504&mi=10
- Aircraft: N4798R, registered now (https://openairdocs.org/aircraft/N4798R) (OpenAirDocs)
- Registry model: Bell 47G-5 (registry code 1181032, https://openairdocs.org/model/bell-47g-5) (OpenAirDocs)
- Registry engine: Lycoming VO-435 series (registry code 41525, https://openairdocs.org/engine/lycoming-vo-435-series) (OpenAirDocs)
- Reported make and model: BELL 47G5
- Reported engine: LYC VO435B1A
- Fatal injuries: 0
- Pilot flight hours: 2,000 total
- NTSB investigation: [NTSB LAX92LA278](https://openairdocs.org/ntsb/LAX92LA278) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920703026479A

## Narrative

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

REPORTED POWER DROOP ON LIFTOFF CAUSED HELICOPTER TO SETTLE HARD TO GROUND ROTORS DESTROYED AIRCRAFT.

## 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 LAX92LA278](https://openairdocs.org/ntsb/LAX92LA278), Jul 4, 1992: Bell 47G5 (N4798R), Mesa, AZ, destroyed. Probable cause: A PARTIAL LOSS OF ENGINE POWER DUE TO UNKNOWN REASON (S). FACTORS IN THIS ACCIDENT WERE 1) LOW ALTITUDE WHEN THE PARTIAL LOSS OF POWER OCCURRED 2) LOW ROTOR RPM AS A RESULT OF THE LOSS OF POWER, AND…

## Other reports on N4798R (1)

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

- [Accident 19891101044159A](https://openairdocs.org/incident/19891101044159A), Nov 1, 1989: Bell 47G5 (N4798R), Guadalupe, CA, Substantial damage. Struck a power pole and crashed during a spray run. Reported sun obscured vision. Pilot was soaked by toxic load.

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.

---
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.