# NTSB CHI84LA157: Piper PA-25-235, N6733Z, Morrow, OH, April 20, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 20, 1984, 13:15 local (18:15 UTC)
- Place: Morrow, OH
- Coordinates: 39.679416, -83.940559 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.6794&lon=-83.9406&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12583
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA157
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12583/pdf
- Page: https://openairdocs.org/ntsb/CHI84LA157

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(total) - mech failure/malf, maneuvering - aerial application
  - engine assembly,cylinder - failure,total (cause)
  - engine assembly,cylinder - separation
- Forced landing, landing
- On ground/water collision with object, landing - roll
  - terrain condition - rough/uneven (contributing factor)
  - object - tree(s) (contributing factor)

## Analysis

ABOUT 10 MIN. AFTER TAKEOFF ON AN AERIAL APPLICATION FLT THE ACFT'S ENG LOST PWR. THE PLT MADE A FORCED LANDING IN A CORN FIELD & DURING ROLLOUT COLLIDED WITH A TREE. ACCORDING TO THE PLT, THE ACFT'S ENG BLEW ITS RIGHT REAR CYLINDER BECAUSE ITS HOLD DOWN BOLTS HAD NOT BEEN PROPERLY TORQUED.

## Aircraft

- Registration: [N6733Z](https://openairdocs.org/deregistered/N6733Z-2009-12-07), registration cancelled 2009-12-07, S/N 25-2346, built 1963 (OpenAirDocs)
- Reported make and model: PIPER PA-25-235
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 25-2346
- Airframe hours: 2600
- Engines: LYCOMING O-540-B285 235 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: K. C. R. Airplane Co., Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Departed: 62D, WARREN, OH
- Flight plan: Unknown

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 8,541 total, 800 in this make and model, 8,400 as pilot in command, 110 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 50° at 8 knots
- Visibility: 10 statute miles
- Lowest ceiling: 3,500 ft broken
- Temperature: 55 °F, dew point 37 °F
- Altimeter: 30.00 inHg
- Observed at: LUK, 20 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19840420013999A](https://openairdocs.org/incident/19840420013999A), Apr 20, 1984: Piper PA25235, Morrow, OH, Substantial damage. Aircraft crashed during emergency landing after engine failure during aerial application operation.

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.

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