# Accident 19810816049839A: Piper PA25235, Clear Lake, IA, August 16, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 16, 1981, 06:30 local time
- Place: Clear Lake, IA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Location: 43.1351° N, 93.3737° W: Placed by OpenAirDocs: center of Clear Lake, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.1351&lon=-93.3737&mi=10
- Aircraft: N4844Y, a cancelled registration (https://openairdocs.org/deregistered/N4844Y-1996-06-17) (OpenAirDocs)
- Registry model: Piper PA-25-260 (registry code 7102508, https://openairdocs.org/model/piper-pa-25-260) (OpenAirDocs)
- Reported make and model: PIPER PA25235
- Reported engine: LYC O540E4B5
- Fatal injuries: 0
- Pilot flight hours: 2,113 total, 150 in this make and model, 134 in the last 90 days
- NTSB investigation: [NTSB MKC81FCD33](https://openairdocs.org/ntsb/MKC81FCD33) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19810816049839A

## Narrative

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

MAGNETO IMPULSE COUPLING FAILED, JAMMED ACCESSORY GEAR TRAIN.  LOSS OF VALVE ACTION THROUGH CAM STOPPED ENGINE.

## 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 MKC81FCD33](https://openairdocs.org/ntsb/MKC81FCD33), Aug 16, 1981: Piper PA-25 (N4844Y), Clear Lake, IA, substantial damage

## Other reports on N4844Y (2)

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

- [Accident 19930822030069A](https://openairdocs.org/incident/19930822030069A), Aug 22, 1993: Piper PA25260 (N4844Y), Plymouth, MA, Substantial damage, 1 fatal. Angled in for banner pickup. Banner rope caught and wrapped around wing. On climbout rolled over and crashed.
- [Accident 19730820029989A](https://openairdocs.org/incident/19730820029989A), Aug 20, 1973: Piper PA25260 (N4844Y), Thurston, NE, Substantial damage. Drg atmpt to slide around short rows on contour r wing lost lift wing caught corn.

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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