Friday, September 7, 2018

Loss of Control on Ground: Piper PA-18-150, N5373Y; accident occurred August 31, 2018 in Palmer, Alaska

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Anchorage, Alaska

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


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


Aviation Accident Data Summary - National Transportation Safety Board:  https://app.ntsb.gov/pdf


https://registry.faa.gov/N5373Y


Location: Palmer, AK

Accident Number: GAA18CA525
Date & Time: 08/31/2018, 1800 AKD
Registration: N5373Y
Aircraft: Piper PA18
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal 

Analysis

The pilot reported that, during takeoff from an unimproved, gravel airstrip, the tailwheel-equipped airplane veered right and then struck an airplane parked on the right side of the airstrip.

The airplane sustained substantial damage to both wings, the fuselage, and the elevator.

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

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's failure to maintain directional control during takeoff.

Findings

Aircraft
Directional control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Aircraft - Effect on operation (Cause)
Rough terrain - Contributed to outcome

Factual Information

History of Flight

Takeoff
Loss of control on ground (Defining event)
Runway excursion
Collision with terr/obj (non-CFIT)

Pilot Information

Certificate: Private
Age: 65, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 03/13/2017
Occupational Pilot: No
Last Flight Review or Equivalent: 04/14/2017
Flight Time:  (Estimated) 679 hours (Total, all aircraft), 679 hours (Total, this make and model), 679 hours (Pilot In Command, all aircraft), 83 hours (Last 90 days, all aircraft), 38 hours (Last 30 days, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: Piper
Registration: N5373Y
Model/Series: PA18 150
Aircraft Category: Airplane
Year of Manufacture:
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 18-8140
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection:  Annual
Certified Max Gross Wt.: 1750 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time:
Engine Manufacturer: Lycoming
ELT: Installed, not activated
Engine Model/Series: O-320-A2B
Registered Owner: On file
Rated Power: 150 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: PAJV, 550 ft msl
Distance from Accident Site: 30 Nautical Miles
Observation Time: 0153 UTC
Direction from Accident Site: 221°
Lowest Cloud Condition:
Visibility:  10 Miles
Lowest Ceiling: Overcast / 9000 ft agl
Visibility (RVR):
Wind Speed/Gusts: 5 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 130°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.83 inches Hg
Temperature/Dew Point: 13°C / 9°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Palmer, AK
Type of Flight Plan Filed: None
Destination: Wasilla, AK (IYS)
Type of Clearance: None
Departure Time:  AKD
Type of Airspace: Class G 

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 62.095556, -148.212222 (est)

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