Monday, April 30, 2018

Stinson 108-3 Voyager, N6933M: Accident occurred April 27, 2018 at Eliza Island Airport (WA93), Whatcom County, Washington

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Seattle, Washington

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket  - National Transportation Safety Board:

Location: Eliza Island, WA
Accident Number: GAA18CA237
Date & Time: 04/27/2018, 1250 PDT
Registration: N6933M
Aircraft: STINSON 108
Aircraft Damage: Substantial
Defining Event: Loss of control in flight
Injuries: 1 Minor
Flight Conducted Under: Part 91: General Aviation - Personal 

The pilot of the tailwheel-equipped airplane reported that, during the takeoff roll, he had difficulty staying on the runway. He added, in a telephone interview with the National Transportation Safety Board Investigator-In-Charge, that, while airborne, the airplane aerodynamically stalled into brush off the end of the runway. The airplane nosed over and came to rest inverted.

The airplane sustained substantial damage to the left wing.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The automated weather observation station located about 9 miles to the north-northwest reported that that, about the time of the accident, the wind was from 170° at 8 knots, gusting to 18 knots. The airplane departed the southeast runway. 

Pilot Information

Certificate: Private
Age: 74, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam: 07/15/2001
Occupational Pilot: No
Last Flight Review or Equivalent: 07/01/2001
Flight Time:  (Estimated) 2200 hours (Total, all aircraft), 1100 hours (Total, this make and model), 2200 hours (Pilot In Command, all aircraft), 5 hours (Last 30 days, all aircraft), 3 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: STINSON
Registration: N6933M
Model/Series: 108 3
Aircraft Category: Airplane
Year of Manufacture: 1949
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 108-4933
Landing Gear Type: Tailwheel
Seats: 4
Date/Type of Last Inspection: 04/01/2018, Annual
Certified Max Gross Wt.: 2400 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 2538 Hours as of last inspection
Engine Manufacturer: FRANKLIN
ELT: Installed, activated, did not aid in locating accident
Engine Model/Series: 6A-335-B
Registered Owner: On file
Rated Power: 180 hp
Operator: On file
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KBLI, 149 ft msl
Distance from Accident Site: 9 Nautical Miles
Observation Time: 1953 UTC
Direction from Accident Site: 12°
Lowest Cloud Condition:
Visibility:  10 Miles
Lowest Ceiling: Overcast / 700 ft agl
Visibility (RVR):
Wind Speed/Gusts: 8 knots / 18 knots
Turbulence Type Forecast/Actual: / None
Wind Direction: 170°
Turbulence Severity Forecast/Actual: / N/A
Altimeter Setting: 29.86 inches Hg
Temperature/Dew Point: 12°C / 9°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Eliza Island, WA (WA93)
Type of Flight Plan Filed: None
Destination: MOUNT VERNON, WA (BVS)
Type of Clearance: None
Departure Time: 1250 PDT
Type of Airspace: Class G

Airport Information

Airport: ELIZA ISLAND (WA93)
Runway Surface Type: Grass/turf
Airport Elevation: 8 ft
Runway Surface Condition: Vegetation
Runway Used: SE
IFR Approach: None
Runway Length/Width: 1500 ft / 100 ft
VFR Approach/Landing: None 

Wreckage and Impact Information

Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 Minor
Latitude, Longitude:  48.650278, -122.584444 (est)

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