# NTSB SEA90LA185: Cessna 180A, N9669B, Paisley, OR, September 16, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 16, 1990, 13:30 local (20:30 UTC)
- Place: Paisley, OR
- Coordinates: 42.609436, -120.569618 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.6094&lon=-120.5696&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report September 15, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 41277
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA90LA185
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41277/pdf
- Page: https://openairdocs.org/ntsb/SEA90LA185

## Probable cause

PILOT'S SELECTION OF UNSUITABLE TERRAIN FOR A LANDING SITE.

## Sequence of events

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

- Nose over, landing - roll
  - terrain condition - soft (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)

## Analysis

THE PILOT OF THE CESSNA 180A STATED THAT DURING ROLLOUT AFTER LANDING ON A DRY LAKE BED, THE MAIN WHEELS SANK INTO A SOFT SPOT AND THE AIRCRAFT FLIPPED OVER ONTO ITS BACK.

## Aircraft

- Registration: N9669B (not matched to a registry record)
- Reported make and model: CESSNA 180A
- Category: Airplane
- Serial number: 32966
- Engines: CONTINENTAL O-470K 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: David L. Logan
- Departed: 62S, CHRIST VALLEY, OR
- Destination: LAKE ABERT, OR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 311 total, 259 in this make and model, 248 as pilot in command, 24 in the last 90 days, 15 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 6 knots
- Visibility: 25 statute miles
- Lowest ceiling: 12,000 ft broken
- Temperature: -0 °F, dew point -0 °F
- Observed at: 4LW

## 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 19900916039899A](https://openairdocs.org/incident/19900916039899A), Sep 16, 1990: Cessna 180A, Paisley, OR, Substantial damage. Landed on a dry lake bed. Nose whell hit soft spot. Aircraft flipped 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.