# NTSB SEA85LA011: Cessna 182F, N3553U, Snoqualmie Pass, WA, October 18, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 18, 1984, 09:50 local (16:50 UTC)
- Place: Snoqualmie Pass, WA
- Coordinates: 47.420276, -121.369354 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.4203&lon=-121.3694&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40082
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA011
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40082/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA011

## Sequence of events

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

- Loss of engine power, cruise - normal
  - reason for occurrence undetermined (cause)
  - emergency procedure - performed, pilot in command
- Forced landing, descent - emergency
- In flight collision with terrain/water, landing

## Analysis

THE PLT STATED THAT WHILE LEVELING OFF AT 5,500 FT HE TRIMMED THE ACFT FOR CRUISE FLT (2200 RPM/21' MP) AND CHECKED THE CARB HEAT. APRX 5 MINS LATER, THE PLT SWITCHED FROM THE RT FUEL TANK TO BOTH FUEL TANKS. SHORTLY THEREAFTER THE ENG LOST POWER. PLT THEN SWITCHED BACK TO THE RIGHT FUEL TANK AND USED CARB HEAT HOWEVER THE ENG QUIT ENTIRELY. ATTEMPTS TO RESTART THE ENG FAILED AND THE ACFT WAS DESTROYED DURING THE SUBSEQUENT FORCED LANDING.

## Aircraft

- Registration: [N3553U](https://openairdocs.org/deregistered/N3553U-2009-11-17), registration cancelled 2009-11-17, S/N 18254953, built 1963 (OpenAirDocs)
- Reported make and model: CESSNA 182F
- Registry model: [Cessna 182F](https://openairdocs.org/model/cessna-182f) (registry code 2072714) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 182-54953
- Engines: CONTINENTAL O-470-R 235 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Operator: Tim A Mckee
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 27, 1983, 29 hours before
- Departed: WA64, SULTAN, WA
- Destination: ELN, ELLENSBURG, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; commercial; airplane ratings: single-engine land, single-engine sea; instrument ratings: airplane; medical: class 2, expired; seat: left; flight hours: 616 total, 29 in this make and model, 532 as pilot in command, 100 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 5 knots
- Visibility: 50 statute miles
- Lowest ceiling: 500 ft
- Temperature: 28 °F, dew point 28 °F
- Altimeter: 30.00 inHg

## Other investigations on N3553U (2)

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 SEA77DYE32](https://openairdocs.org/ntsb/SEA77DYE32), Jun 28, 1977: Cessna 182 (N3553U), South Bend, WA, substantial damage
- [NTSB DEN72FTE41](https://openairdocs.org/ntsb/DEN72FTE41), Nov 3, 1971: Cessna 182F (N3553U), Aurora, CO, substantial damage

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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