# NTSB SEA85LA209: Cessna 180, N7694A, Issaquah, WA, September 10, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 9, 1985, 17:13 local (Sep 10, 1985, 00:13 UTC)
- Place: Issaquah, WA
- Coordinates: 47.990425, -122.220512 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.9904&lon=-122.2205&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40235
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA209
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40235/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA209

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, approach - vfr pattern - final approach
  - fluid,fuel - starvation
  - fuel system,line - blocked(total) (cause)
  - fuel system,primer system - deteriorated
- Forced landing, approach - vfr pattern - final approach
- Nose down, landing - flare/touchdown

## Analysis

THE ACFT LANDED NOSE DOWN SHORT OF THE RWY DURING A FORCED LANDING FOLLOWING FUEL STARVATION. INVESTIGATION DISCLOSED THE MAIN FUEL LINE WAS BLOCKED BY PIECES OF THE PRIMER VALVE PISTON 'O' RING WHICH HAD DETERIORATED DUE TO THE CONTINUOUUSE OF AUTOMOTIVE FUEL.

## Aircraft

- Registration: N7694A (not matched to a registry record)
- Reported make and model: CESSNA 180
- Category: Airplane
- Serial number: 32591
- Engines: CONTINENTAL O-470-K 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Human Flight, Inc.
- Airworthiness certificate: Standard, Normal
- Departed: 3WA1, ISSAQUAH, WA
- Airport: 3WA1, Skyport

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; private; airplane ratings: single-engine land; medical: class 1, valid medical--no waivers/lim.; seat: left

## Weather

- Conditions: Visual (VMC), Day
- Wind: 250° at 10 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 68 °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 19850909069529A](https://openairdocs.org/incident/19850909069529A), Sep 9, 1985: Cessna 180, Issaquah, WA, Substantial damage. Loss of power on final aprroach. Landed short of runway and flipped over. O ring pieces from primer in fuel line.

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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