# Accident 20020510010839A: Ayres S2R, Bancroft, WI, May 10, 2002

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 10, 2002, 18:45 local time
- Place: Bancroft, WI
- Damage: No damage
- Operating rules: Agricultural (Part 137)
- Location: 44.3094° N, 89.5105° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=44.3094&lon=-89.5105&mi=10
- Aircraft: N4224X, registered now (https://openairdocs.org/aircraft/N4224X) (OpenAirDocs)
- Registry model: Rockwell International S-2R (registry code 7630202, https://openairdocs.org/model/rockwell-international-s-2r) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: AYRES S2R
- NTSB investigation: [NTSB CHI02LA133](https://openairdocs.org/ntsb/CHI02LA133) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20020510010839A

## Narrative

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

(-23) DURING SPRAYING OPERATION ENGINE BACKFIRED AND STARTED RUNNING ROUGH, PILOT TURNED ON BOOST PUMP AND ENGINE SMOOTHED OUT. WITHIN A MINUTE ENGINE STARTED BACKFIRING AND LOST POWER. PILOT LANDED IN FIELD AND AIRCRAFT FLIPPED OVER IN SOFT GROUND.

## 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 CHI02LA133](https://openairdocs.org/ntsb/CHI02LA133), May 10, 2002: Rockwell S-2R (N4224X), Bancroft, WI, substantial damage. Probable cause: The loss of engine power due to contamination of the fuel system from an unknown source and the blocked fuel filter. The rough terrain was a factor.

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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