# NTSB SEA93LA166: Cessna 188A, N5646J, Dayton, WA, July 27, 1993

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 27, 1993, 13:15 local (20:15 UTC)
- Place: Dayton, WA
- Coordinates: 46.30931, -117.899833 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.3093&lon=-117.8998&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 3, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 43047
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA93LA166
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/43047/pdf
- Page: https://openairdocs.org/ntsb/SEA93LA166

## Probable cause

THE LOSS OF ENGINE POWER, UNDETERMINED.  A FACTOR RELATING TO THE ACCIDENT WAS A FENCE IN THE FLT PATH.

## Analysis

THE ENGINE LOST POWER AT 50 FEET AGL DURING INITIAL CLIMB AFTER TAKEOFF. THE ACFT DESCENDED, STRUCK A FENCE AS POWER WAS REGAINED, AND IMPACTED THE GROUND.  AN FAA INSPECTOR WHO EXAMINED THE ACFT REPORTED THERE WAS NO EVIDENCE OF MALFUNCTION OR FAILURE OF THE ENGINE BEFORE THE ACCIDENT.  THE OPERATOR REPORTED THE LEFT MAGNETO FAILED.

## Sequence of events

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

- Loss of engine power, takeoff - initial climb
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
- In flight collision with object, descent - emergency
  - object - fence (contributing factor)

## Aircraft

- Registration: [N5646J](https://openairdocs.org/deregistered/N5646J-2013-04-22), registration cancelled 2013-04-22, S/N 18800596, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 188A
- Registry model: [Cessna A188A](https://openairdocs.org/model/cessna-a188a) (registry code 2073008) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18800596
- Airframe hours: 3862
- Engines: CONTINENTAL IO-520-D 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Dayton Chemical, Inc
- Registered owner: Dayton Chemical, Inc
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 18, 1993, 12 hours before
- Airport: NONE, Dayton Airstrip, runway 4, 1,940 × 30 ft, macadam

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 6,514 total, 3,500 in this make and model, 6,359 as pilot in command, 5 in the last 90 days, 5 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 90 °F, dew point 45 °F
- Altimeter: 29.00 inHg
- Observed at: ALW, 22 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 19930727040709A](https://openairdocs.org/incident/19930727040709A), Jul 27, 1993: Cessna A188A, Dayton, WA, Substantial damage. Engine quit on climbout to spray field. Struck a fence on forced landing. Magneto had failed.

## Other investigations on N5646J (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 MKC71FCQ17](https://openairdocs.org/ntsb/MKC71FCQ17), Aug 31, 1970: Cessna A188A (N5646J), Edson, KS, 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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