# NTSB SEA90LA192: Cessna 150L, N18677, Troutdale, OR, September 20, 1990

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: September 20, 1990, 13:45 local (20:45 UTC)
- Place: Troutdale, OR
- Coordinates: 45.520172, -122.349632 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.5202&lon=-122.3496&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report September 28, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 41284
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA90LA192
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41284/pdf
- Page: https://openairdocs.org/ntsb/SEA90LA192

## Probable cause

PASSENGERS FAILURE TO MAINTAIN CLEARANCE FROM THE TURNING PROPELLER. A FACTOR IN THE ACCIDENT WAS HIS DIVERTED ATTENTION TO A HELICOPTER ON THE GROUND NEARBY WITH THE ENGINE RUNNING.

## Sequence of events

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

- Propeller/rotor contact to person, standing - engine(s) operating
  - clearance - not maintained, passenger (cause)
  - diverted attention, passenger (contributing factor)

## Analysis

WHEN THE ACFT CAME TO A HALT ON THE RAMP AFTER TAXIING IN FROM LANDING, THE PASSENGER EXITED BEFORE THE ENGINE WAS SHUT DOWN, AND INADVERTENTLY WALKED INTO THE TURNING PROPELLER.

## Aircraft

- Registration: [N18677](https://openairdocs.org/deregistered/N18677-2018-03-12), registration cancelled 2018-03-12, S/N 15074036, built 1972 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15074036
- Engines: CONTINENTAL O-200A 100 horsepower reciprocating
- Damage: No damage
- Flight: Business, Part 91
- Registered owner: Richard A. Schaefer
- Airworthiness certificate: Standard, Utility
- Airport: TTD, Troutdale

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; flight instructor, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 590 total, 253 in this make and model, 454 as pilot in command, 87 in the last 90 days, 36 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 240° at 7 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 77 °F, dew point 55 °F
- Altimeter: 30.00 inHg
- Observed at: TTD

## 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 19900920041259A](https://openairdocs.org/incident/19900920041259A), Sep 20, 1990: Cessna 150L, Portland, OR. Photographer passenger walked into prop after exiting aircraft with engine idling. Was checking on helicopter wash.

## Other investigations on N18677 (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 WPR12FA136](https://openairdocs.org/ntsb/WPR12FA136), Mar 15, 2012: Cessna 150L (N18677), Goble, OR, substantial damage, 2 fatal. Probable cause: The flight instructor's decision to continue flight into the area of reduced visibility and the pilots’ subsequent failure to maintain clearance from the hilly terrain while operating in an area of…

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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