# Accident 19920809033189A: Wthrly 620, Cobb, GA, August 9, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 9, 1992, 11:30 local time
- Place: Cobb, GA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Operator: OVBG
- Location: 31.9592° N, 83.9592° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=31.9592&lon=-83.9592&mi=10
- Aircraft: N4650W, a cancelled registration (https://openairdocs.org/deregistered/N4650W-2018-03-02) (OpenAirDocs)
- Registry model: Weatherly 620A (registry code 9630603, https://openairdocs.org/model/weatherly-620a) (OpenAirDocs)
- Registry engine: Pratt & Whitney R-985 series (registry code 52008, https://openairdocs.org/engine/pratt-whitney-r-985-series) (OpenAirDocs)
- Reported make and model: WTHRLY 620
- Reported engine: PWA R985AN1
- Fatal injuries: 0
- Pilot flight hours: 3,900 total, 500 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB ATL92LA154](https://openairdocs.org/ntsb/ATL92LA154) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920809033189A

## Narrative

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

LOST OIL DURING SPRAY RUNS. ENGINE SEIZED.NOSED OVER LANDING. CHIP DETECTOR PLUG CAME OUT CAUSING OIL LOSS.

## 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 ATL92LA154](https://openairdocs.org/ntsb/ATL92LA154), Aug 9, 1992: Weatherly 620A (N4650W), Cobb, GA, substantial damage. Probable cause: THE CORRODED, AND SEPARATED, MAGNETIC CHIP DETECTOR PLUG WHICH ALLOWED THE LOSS OF ALL ENGINE OIL AND THE ENGINE'S SUBSEQUENT SEIZURE. FACTORS WERE THE INADEQUATE 100 HOUR INSPECTION, AND THE HIGH…

## Other reports on N4650W (2)

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

- [Accident 20030522010909A](https://openairdocs.org/incident/20030522010909A), May 22, 2003: Wthrly 620A (N4650W), Melville, ND, Substantial damage. (-23) On 05/22/2003 at 1911 CDT, a weatherly, N4650W, owned by foss & meier flight service, devils lake, ND and flown by clemens r. meier was substantially…
- [Incident 19970726025449I](https://openairdocs.org/incident/19970726025449I), Jul 26, 1997: Wthrly 620 (N4650W), Orovada, NV, Minor damage. Failed clear wire on pullup from fpray run. Caught on spray pump. Broke a blade. Landed safely.

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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