# NTSB SEA90LA108: Cessna A188B, N4855R, Dayton, WA, June 22, 1990

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 22, 1990, 11:30 local (18:30 UTC)
- Place: Dayton, WA
- Coordinates: 46.310005, -117.900947 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.3100&lon=-117.9009&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 March 5, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 41217
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA90LA108
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41217/pdf
- Page: https://openairdocs.org/ntsb/SEA90LA108

## Probable cause

LOSS OF ENGINE POWER FOR AN UNDETERMINED REASON.

## 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, takeoff - aborted
- Nose over, takeoff - aborted
  - terrain condition - rough/uneven (contributing factor)
  - terrain condition - high vegetation (contributing factor)

## Analysis

THE PILOT OF THE CESSNA A188B AGRICULTURAL AIRCRAFT STATED THAT A LOSS OF ENGINE POWER OCCURRED IMMEDIATELY AFTER TAKEOFF FROM THE PRIVATE AIRSTRIP.  DURING THE ENSUING FORCED LANDING IN AN ADJACENT FIELD, THE AIRCRAFT ENCOUNTERED HIGH VEGETATION ON UNEVEN TERRAIN AND NOSED OVER.  A PARTIAL TEARDOWN OF THE ENGINE AND TESTING OF THE FUEL INJECTION SYSTEM DISCLOSED NO DISCREPANCIES.

## Aircraft

- Registration: [N4855R](https://openairdocs.org/aircraft/N4855R), registered now, S/N 18802374T (OpenAirDocs)
- Reported make and model: CESSNA A188B
- Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs)
- Category: Airplane
- Serial number: 188023747
- Airframe hours: 2936
- Engines: CONTINENTAL IO-520-D23 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Dayton Chemicals Inc
- Registered owner: Dayton Chemicals Inc
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, May 2, 1990, 45 hours before
- Airport: WA17, Casseday, runway 20, 1,900 × 90 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 18,700 total, 2,900 in this make and model, 18,600 as pilot in command, 180 in the last 90 days, 40 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 230° at 3 knots
- Visibility: 40 statute miles
- Temperature: 79 °F

## 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 19900622021959A](https://openairdocs.org/incident/19900622021959A), Jun 22, 1990: Cessna A188B, Dayton, WA, Substantial damage. Long takeoff run. Only attained 10 feet AGL before settling off runway. Appeared prop pitch change. No defects.

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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