Sunday, March 08, 2020

Cessna 180F, N180TB: Accident occurred August 20, 2019 at Arlington Municipal Airport (KAWO), Snohomish County, Washington

View of damaged right wing.

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

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Arlington, WA
Accident Number: GAA19CA517
Date & Time: 08/20/2019, 0950 PDT
Registration: N180TB
Aircraft: Cessna 180
Aircraft Damage: Substantial
Defining Event: Miscellaneous/other
Injuries: 1 Minor
Flight Conducted Under: Part 91: General Aviation - Personal 

The pilot of the tailwheel equipped airplane reported that, prior to takeoff, he adjusted his seat. During takeoff, his seat slid back and he was not able to reach the rudder pedals or throttle lever. The airplane accelerated, veered left, exited the runway to the left, ground looped, and impacted a berm.

The airplane sustained substantial damage to the right wing.

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

Pilot Information

Certificate: Airline Transport; Flight Instructor; Flight Engineer
Age:60, Male 
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 1 Waiver Time Limited Special
Last FAA Medical Exam: 06/16/2019
Occupational Pilot: No
Last Flight Review or Equivalent:
Flight Time:   (Estimated) 28246 hours (Total, all aircraft), 1706 hours (Total, this make and model), 20942 hours (Pilot In Command, all aircraft), 240 hours (Last 90 days, all aircraft), 105 hours (Last 30 days, all aircraft), 3 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Cessna
Registration: N180TB
Model/Series: 180 F
Aircraft Category: Airplane
Year of Manufacture: 1963
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 18051273
Landing Gear Type: Tailwheel
Seats: 4
Date/Type of Last Inspection:  Annual
Certified Max Gross Wt.: 2650 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 3512.2 Hours at time of accident
Engine Manufacturer: Continental PPONK conversation
ELT: Installed, not activated
Engine Model/Series: O-47050
Registered Owner: On file
Rated Power: 235 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: KAWO, 137 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1656 UTC
Direction from Accident Site: 34°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual: None / None
Wind Direction:
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.95 inches Hg
Temperature/Dew Point: 19°C / 13°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Arlington, WA (AWO)
Type of Flight Plan Filed: None
Destination: Langley, WA (W10)
Type of Clearance: None
Departure Time: 0950 PDT
Type of Airspace: Class G

Airport Information

Airport: Arlington Muni (AWO)
Runway Surface Type: Asphalt
Airport Elevation: 141 ft
Runway Surface Condition: Dry
Runway Used: 34
IFR Approach: None
Runway Length/Width: 5332 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: 48.160833, -122.159167 (est)

1 comment:

  1. Accident pilot owned the plane. Seat rail, carriage and latch pin wear is a well known issue in older Cessnas and worthy of pre-flight inspection by the pilot. Instead of relying solely on the butt wiggle test, why not adjust the seat, then hop out and get a good look at the security of the latch work? Can the seat carriage lift up? Is there bell mouthing of rail holes or a worn pin? Why rely on thumbscrew secondary seat stop when thru-pin types are only 25 bux per seat?