# NTSB SEA88LA159: Cessna 150D, N4393U, Athol, ID, August 20, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 20, 1988, 15:30 local (22:30 UTC)
- Place: Athol, ID
- Coordinates: 47.959613, -116.679565 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.9596&lon=-116.6796&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 8, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 40871
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA88LA159
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40871/pdf
- Page: https://openairdocs.org/ntsb/SEA88LA159

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - gusts (contributing factor)
  - directional control - not maintained, pilot in command (cause)
- Nose over, landing - roll

## Analysis

ACFT HAD BEEN MODIFIED TO CONVENTIONAL LNDG GEAR. ON LANDING ROLL, VARIABLE AND GUSTY SURFACE WINDS WERE ENCOUNTERED. PLT LOST CONTROL OF ACFT, WHICH NOSED OVER.

## Aircraft

- Registration: [N4393U](https://openairdocs.org/aircraft/N4393U), registered now, S/N 15060393, built 1964 (OpenAirDocs)
- Reported make and model: CESSNA 150D
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15060383
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Daniel B. Boss
- Registered owner: Daniel B Boss
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 3, 1988, 20 hours before
- Departed: COE, COEUR D'ALENE, ID
- Airport: S62, Henley Aerodrome, runway 21, 4,200 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 109 total, 56 in this make and model, 78 as pilot in command, 27 in the last 90 days, 5 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 330° at 10 knots, gusting 20
- Visibility: 20 statute miles
- Lowest ceiling: 2,500 ft broken
- Temperature: 61 °F
- Altimeter: 30.00 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 19880820059489A](https://openairdocs.org/incident/19880820059489A), Aug 20, 1988: Cessna 150D, Athol, ID, Substantial damage. Pilot reported thunderstorms in area and a dust devil hit the aircraft on the landing flare causing a nose over.

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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