# Incident 19970706021209I: Scwzer G164B, Donnelly, MN, July 6, 1997

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 6, 1997, 20:00 local time
- Place: Donnelly, MN
- Damage: Minor damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Location: 45.6902° N, 96.0099° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=45.6902&lon=-96.0099&mi=10
- Aircraft: N6633K, a cancelled registration (https://openairdocs.org/deregistered/N6633K-2025-04-30) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164B (registry code 3952802, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: SCWZER G164B
- Reported engine: PWA R1340*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 2,300 total, 1,500 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB CHI97LA204](https://openairdocs.org/ntsb/CHI97LA204) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970706021209I

## Narrative

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

DURING TURN AROUND LOST POWER. OIL ON WINDSHIELD. HARD LANDING ON ROAD. FOLDED LEFT MAIN GEAR. THREW ROD THRU CASE. (-23) PILOT WAS MAKING TURN FOR SPRAY RUN & EXPERIENCED POWER LOSS & OIL ON WINDSCREEN.  #9 CYLINDER CONNECTING ROD FAILED CAUSING CYLINDER HEAD SEPARATION.  PILOT ATTEMPTED TO LAND ON DIRT ROAD WEST OF FIELD BUT ABORTED ATTEMPT UPON SEEING PERSON WALKING ON ROAD.  TRIED TO LAND FURTHER DOWN ROAD BUT ENGINE STOPPED.  LANDING WAS HARD.  HOPPER WAS DUMPTED PRIOR TO LANDING.  RIGHT GEAR LEG BROKE AND SEPARATED.  AIRCRAFT SLID UNTIL ENGINE DUG INTO SOFT FIELD AND THEN AIRCRAFT FLIPPED UPSIDE DOWN AND STOPPED.  PILOT OK.

## 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 CHI97LA204](https://openairdocs.org/ntsb/CHI97LA204), Jul 7, 1997: Grumman-Schweizer G-164B (N6633K), Donnelly, MN, substantial damage. Probable cause: undetermined event resulting in the broken connecting rod and cylinder.

## Other reports on N6633K (3)

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

- [Accident 20240813017999A](https://openairdocs.org/incident/20240813017999A), Aug 13, 2024: Grumman Acft Eng Cor-Schweizer G-164B (N6633K), Durham, CA, Substantial damage. The pilot reported that while maneuvering under a power line he started to bank the aircraft before he was clear of the line which seperated most of the…
- [Accident 19990703046169A](https://openairdocs.org/incident/19990703046169A), Jul 3, 1999: Scwzer G164B (N6633K), Page, ND, No damage. (-23) On July 3, 1999 at 0730 local time a Grumman G-164 registered to tall towers aviation inc was damaged during takeoff fro an aerial application flight.…
- [Accident 19910708026729A](https://openairdocs.org/incident/19910708026729A), Jul 8, 1991: Scwzer G164B (N6633K), Eloy, AZ, Substantial damage. Reported appealed engine lacked power on climbout. Hit ground and cartwheeled off end runway. Dark no ground lights

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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