# NTSB MKC87LA136: Piper PA-28-140, N5701U, Ottawa, KS, July 12, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 11, 1987, 23:00 local (Jul 12, 1987, 04:00 UTC)
- Place: Ottawa, KS
- Coordinates: 38.600654, -95.260292 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.6007&lon=-95.2603&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 7, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 34410
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC87LA136
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34410/pdf
- Page: https://openairdocs.org/ntsb/MKC87LA136

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, cruise - normal
  - engine assembly,valve,exhaust - failure,total (cause)
- In flight collision with object, landing - flare/touchdown
  - object - fence post (contributing factor)
  - light condition - night (contributing factor)
  - precautionary landing - premature, pilot in command (cause)

## Analysis

DURING A NIGHT FLIGHT THE AIRCRAFT'S ENGINE LOST PARTIAL POWER. THE PILOT ELECTED TO MAKE A PRECAUTIONARY LANDING IN A FARM FIELD. DURING LANDING THE AIRCRAFT'S RIGHT WING STRUCK A FENCE. AN ENGINE TEARDOWN REVEALED A FAILED EXHAUST VALVE ON THE NUMBER 3 CYLINDER.

## Aircraft

- Registration: [N5701U](https://openairdocs.org/aircraft/N5701U), registered now, S/N 28-26498, built 1969 (OpenAirDocs)
- Reported make and model: PIPER PA-28-140
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 2826498
- Airframe hours: 4451
- Engines: LYCOMING O-320-E2A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Dodson Aviation,Inc.
- Registered owner: Dodson Aviation, Inc
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: 100 hour, March 2, 1987, 7 hours before
- Departed: LWS, LAWRENCE, KS
- Airport: OWI, Ottawa

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 76 total, 1 in this make and model, 9 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/bright
- Wind: 180° at 5 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °F
- Altimeter: 29.00 inHg

## 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 19870711083099A](https://openairdocs.org/incident/19870711083099A), Jul 11, 1987: Piper PA28140, Ottawa, KS, Substantial damage. Vibration and partial power loss. Unable to find nearby airport,landed in a field and hit a fence. Had valve failure

## Other investigations on N5701U (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 LAX76FUJ75](https://openairdocs.org/ntsb/LAX76FUJ75), May 13, 1976: Piper PA-28 (N5701U), Scottsdale, AZ, substantial damage

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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