# Accident 19940507018749A: Ayres S2RR1820, Dayton, WA, May 7, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 7, 1994, 07:15 local time
- Place: Dayton, WA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: CJYG
- Location: 46.3098° N, 117.8998° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.3098&lon=-117.8998&mi=10
- Aircraft: N5646X, registered now (https://openairdocs.org/aircraft/N5646X) (OpenAirDocs)
- Registry model: Aero Commander S2R (registry code 0143022, https://openairdocs.org/model/aero-commander-s2r) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: AYRES S2RR1820
- Reported engine: WRIGHT R182097
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 5,400 total, 300 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB SEA94LA116](https://openairdocs.org/ntsb/SEA94LA116) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940507018749A

## Narrative

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

ENGINE RAN ROUGH. CHIP LIGHT ON. TRIED RETURN BASE. COLLIDED WITH TERRAIN. FOUND BROKEN CONNECTING ROD.

## 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 SEA94LA116](https://openairdocs.org/ntsb/SEA94LA116), May 7, 1994: Aero Commander S2R (N5646X), Dayton, WA, substantial damage. Probable cause: TOTAL FAILURE OF THE CONNECTING ROD.

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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