# Accident 19971015031309A: Scwzer G164A, Altus, OK, October 15, 1997

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 15, 1997
- Place: Altus, OK
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Operator: BMVG
- Location: 34.6394° N, 99.3095° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.6394&lon=-99.3095&mi=10
- Aircraft: N8819H, a cancelled registration (https://openairdocs.org/deregistered/N8819H-2000-06-14) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164A (registry code 3952801, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (OpenAirDocs)
- Reported make and model: SCWZER G164A
- People aboard: 1
- Fatal injuries: 0
- NTSB investigation: [NTSB FTW98LA016](https://openairdocs.org/ntsb/FTW98LA016) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19971015031309A

## Narrative

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

ENGINE QUIT DURING TURNAROUND BETWEEN SPRAY RUNS. NOSED OVER SOFT FIELD. NR4 CYLINDER HEAD SEPERATED. (-23) ON OCTOBER 15, 1997, AT APPROXIMATELY 1800 CENTRAL, A GRUMMAN G-164A, N8819H, SUSTAINED SUBSTANTIAL DAMAGE DURING A FORCED LANDING NEAR ALTUS, OK. NO INJURIES WERE REPORTED. THE PILOT REPORTED THAT THE AIRCRAFT ENGINE LOST POWER AS HE WAS TURNING THE AIRCRAFT BETWEEN SPRAY PASSES. THE PILOT MADE A FORCED LANDING IN A SOFT FIELD, AND THE AIRCRAFT NOSED OVER AND CAME TO REST INVERTED. THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE TO THE TOP WING AND VERTICAL STABILIZER. INSPECTION OF THE ENGINE REVEALED THAT THE #R CYLINDER HEAD HAD CRACKED AROUND ITS COMPLETED CIRCUMFERENCE. THE CRACK WAS LOCATED WHERE THE HEAD ATTACHES TO THE CYLINDER BARREL, AND THE CYLINDER HEAD WAS HELD IN PLACE BY THE INTAKE AND EXHAUST MANIFOLD.

## 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 FTW98LA016](https://openairdocs.org/ntsb/FTW98LA016), Oct 15, 1997: Grumman-Schweizer G-164A (N8819H), Altus, OK, substantial damage. Probable cause: The loss of engine power due to the cracked cylinder. A factor was the lack of suitable terrain for the forced landing.

## Other reports on N8819H (1)

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

- [Accident 19811104071539A](https://openairdocs.org/incident/19811104071539A), Nov 4, 1981: Scwzer G164A (N8819H), Elm Grove, LA, Substantial damage. Engine quit on pullup from a spray run. Crashed into wooded area. No cause for power loss found.

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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