Wednesday, December 18, 2019

Loss of Control on Ground: Pietenpol, N7169K; accident occurred July 06, 2019 at Anacortes Airport (74S), Skagit County, Washington

View of damage to the left wing lift strut. 


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

Aviation Accident Factual Report - National Transportation Safety Board:  https://app.ntsb.gov/pdf


Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms 
 
https://registry.faa.gov/N7169K


Location: Anacortes, WA

Accident Number: GAA19CA396
Date & Time: 07/06/2019, 1700 PDT
Registration: N7169K
Aircraft: DONALD BERNARD HIGGS PIETENPOL
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Flight Test 

The pilot in the experimental amateur-built, tailwheel equipped airplane reported that, this was the first test flight after the airplane had been reassembled following purchase and transport. The pilot performed two high-speed taxi runs, he back taxied and subsequently took off.

During the landing roll, "the left front landing gear attachment lugs broke off the mount fitting." The pilot lost directional control of the airplane and ground-looped to the right. The airplane entered a ditch and nosed over.

The airplane sustained substantial damage to the left wing aft lift strut.

Pilot Information

Certificate: Commercial
Age: 78, Male
Airplane Rating(s): Single-engine Land; Single-engine Sea
Seat Occupied: Single
Other Aircraft Rating(s): Glider
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Sport Pilot With Waivers/Limitations
Last FAA Medical Exam: 11/13/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 04/27/2017
Flight Time:  (Estimated) 4775 hours (Total, all aircraft), 35 hours (Total, this make and model), 4775 hours (Pilot In Command, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: DONALD BERNARD HIGGS
Registration: N7169K
Model/Series: PIETENPOL
Aircraft Category: Airplane
Year of Manufacture:1991 
Amateur Built: Yes
Airworthiness Certificate: Experimental
Serial Number: 1
Landing Gear Type: Tailwheel
Seats: 1
Date/Type of Last Inspection: 07/02/2019, Condition
Certified Max Gross Wt.: 1120 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 90.5 Hours at time of accident
Engine Manufacturer: Ford
ELT: Not installed
Engine Model/Series: Model B
Registered Owner: On file
Rated Power: 50 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: KNUW, 47 ft msl
Distance from Accident Site: 9 Nautical Miles
Observation Time: 0056 UTC
Direction from Accident Site: 181°
Lowest Cloud Condition: Scattered / 2500 ft agl
Visibility:  10 Miles
Lowest Ceiling: Broken / 3300 ft agl
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual:
Wind Direction:
Turbulence Severity Forecast/Actual:
Altimeter Setting:
Temperature/Dew Point: 18°C / 12°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Anacortes, WA (74S)
Type of Flight Plan Filed: None
Destination: Anacortes, WA (74S)
Type of Clearance: None
Departure Time: 1630 PDT
Type of Airspace: Class G

Airport Information

Airport: Anacortes (74S)
Runway Surface Type: Asphalt
Airport Elevation: 241 ft
Runway Surface Condition: Dry
Runway Used: 18
IFR Approach:None 
Runway Length/Width: 3015 ft / 60 ft
VFR Approach/Landing: Full Stop

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 48.498611, -122.662500 (est)

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