# Accident 19890711026369A: Piper PA25235, Sulphur Springs, MT, July 11, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 11, 1989, 14:45 local time
- Place: Sulphur Springs, MT
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Operator: WMFG
- Location: 46.5710° N, 111.0004° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.5710&lon=-111.0004&mi=10
- Aircraft: N6663Z, a cancelled registration (https://openairdocs.org/deregistered/N6663Z-1989-09-13) (OpenAirDocs)
- Registry model: Piper PA-25-235 (registry code 7102504, https://openairdocs.org/model/piper-pa-25-235) (OpenAirDocs)
- Reported make and model: PIPER PA25235
- Reported engine: LYC O540B2B5
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 3,674 total, 2,000 in this make and model, 330 in the last 90 days
- NTSB investigation: [NTSB DEN89LA167](https://openairdocs.org/ntsb/DEN89LA167) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890711026369A

## Narrative

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

SETTLED INTO GROUND IMPACT TURNING DOWNWIND IN A SPRAY RUN TURN AROUND. DOWNDRAFT OFF A NEARBY HILL.

## 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 DEN89LA167](https://openairdocs.org/ntsb/DEN89LA167), Jul 11, 1989: Piper PA-25 (N6663Z), Wh Sulphur Spgs, MT, substantial damage. Probable cause: THE PILOT FAILED TO MAINTAIN ADEQUATE AIRSPEED DURING AN AERIAL APPLICATION MANEUVER AND INADVERTENTLY ALLOWED THE AIRCRAFT TO MUSH INTO THE GROUND. UNFAVORABLE WIND AND TURBULENCE WERE CONSIDERED TO…

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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