# Accident 19930902032839A: Cessna A188B, Three Forks, MT, September 2, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 2, 1993, 15:12 local time
- Place: Three Forks, MT
- Damage: Destroyed
- Phase of flight: Descent
- Operating rules: Agricultural (Part 137)
- Operator: F4FG
- Location: 45.9099° N, 111.4303° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=45.9099&lon=-111.4303&mi=10
- Aircraft: N21861, registered now (https://openairdocs.org/aircraft/N21861) (OpenAirDocs)
- Registry model: Cessna A188B (registry code 2073005, https://openairdocs.org/model/cessna-a188b) (OpenAirDocs)
- Registry engine: Continental IO-520 series (registry code 17032, https://openairdocs.org/engine/continental-io-520-series) (OpenAirDocs)
- Reported make and model: CESSNA A188B
- Reported engine: CONT IO520D
- Fatal injuries: 0
- Pilot flight hours: 9,934 total, 3,550 in this make and model, 173 in the last 90 days
- NTSB investigation: [NTSB SEA93LA188](https://openairdocs.org/ntsb/SEA93LA188) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930902032839A

## Narrative

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

PREPARING TO BEGIN A SPRAY RUN. AIRCRAFT SETTLED. DUMPED SMALL AMOUNT OF LOAD. IMPACTED. DENSITY ALTITUDE A FACTOR.

## 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 SEA93LA188](https://openairdocs.org/ntsb/SEA93LA188), Sep 2, 1993: Cessna A188B (N21861), Three Forks, MT, destroyed. Probable cause: THE PILOT'S FAILURE TO MAINTAIN FLYING SPEED RESULTING IN A STALL/MUSH. THE HIGH DENSITY ALTITUDE AND THE PILOT'S FAILURE TO COMPLETELY JETTISON HIS LOAD WERE FACTORS.

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.
