# NTSB SEA84LA003: Cessna T210M, N1817M, Seattle, WA, October 5, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 4, 1983, 21:50 local (Oct 5, 1983, 04:50 UTC)
- Place: Seattle, WA
- Coordinates: 47.539012, -122.310417 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.5390&lon=-122.3104&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39842
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84LA003
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39842/pdf
- Page: https://openairdocs.org/ntsb/SEA84LA003

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, climb - to cruise
  - engine assembly,crankshaft - fatigue (cause)
- Forced landing, landing - flare/touchdown
- In flight collision with terrain/water, landing - flare/touchdown

## Analysis

AFTER TAKEOFF WHILE ON A RIGHT TURNOUT FROM RWY 31L, & AT ABOUT 1000 FT AGL, THE ENG QUIT. THE PLT RETURNED TO THE ARPT & ELECTED TO LOWER THE GEAR WHEN HE KNEW RWY 13L COULD BE REACHED. HOWEVER THE LEFT MAIN GEAR FAILED TO LOCK PRIOR TO TOUCHDOWN & THE AIRCRAFT SKIDDED OFF THE LEFT OF THE RWY. ENG TEARDOWN REVEALED A FATIGUE FRACTURE OF THE #4 CRANKSHAFT CHEEK.

## Aircraft

- Registration: [N1817M](https://openairdocs.org/deregistered/N1817M-1990-08-10), registration cancelled 1990-08-10, S/N 21061963 (OpenAirDocs)
- Reported make and model: CESSNA T210M
- Registry model: [Cessna T210M](https://openairdocs.org/model/cessna-t210m) (registry code 2073451) (OpenAirDocs)
- Category: Airplane
- Serial number: 21061963
- Airframe hours: 1342
- Engines: CONTINENTAL TSIO-520-R1 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Hogue Ranches
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, February 2, 1983, 97 hours before
- Destination: S4O, PROSSER, WA
- Airport: BFI, Boeing Field, runway 13R, 11,900 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 1,500 total, 1,000 in this make and model, 1,450 as pilot in command, 50 in the last 90 days

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 20° at 6 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 55 °F, dew point 43 °F
- Altimeter: 30.00 inHg
- Observed at: BFI

## 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 19831004052489A](https://openairdocs.org/incident/19831004052489A), Oct 4, 1983: Cessna T210M, Seattle, WA, Substantial damage. Crash occurred during emergency landing on airport. Engine failed about 1 minute after takeoff.

## Other investigations on N1817M (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 SEA89FA002](https://openairdocs.org/ntsb/SEA89FA002), Oct 2, 1988: Cessna T210M (N1817M), Prosser, WA, destroyed, 2 fatal

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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