The National Transportation Safety Board did not travel to the scene of this accident.
Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Anchorage, Alaska
Location: Wasilla, Alaska
Accident Number: ANC22LA020
Date and Time: February 27, 2022, 12:32 Local
Registration: N99640
Aircraft: Piper PA-18-135
Injuries: 1 Minor
Flight Conducted Under: Part 91: General aviation - Personal
On February 27, 2022, about 1232 Alaska standard time, a Piper PA-18-135 airplane, N99640, sustained substantial damage when it was involved in an accident near Palmer, Alaska. The pilot sustained minor injuries. The airplane was operated by the pilot as a Title 14 Code of Federal Regulations Part 91 personal flight.
The pilot stated that after departure from the Wolf Lake Airport (4AK6) and about 100 ft above ground level, the engine began to run rough and shake violently. In an effort to restore engine power, he applied carburetor heat, selected the left fuel tank, then the right fuel tank before returning to the both selection to no avail. He reduced the engine power to control the shaking and conducted an emergency landing. During the emergency landing, the airplane impacted a burn barrel and came to rest against a hangar sustaining substantial damage to the wings and fuselage.
The airplane was equipped with a Lycoming O-360 series engine. A detailed wreckage examination is pending.
Aircraft and Owner/Operator Information
Aircraft Make: Piper
Registration: N99640
Model/Series: PA-18-135
Aircraft Category: Airplane
Amateur Built:
Operator: On file
Operating Certificate(s) Held: None
Operator Designator Code:
Meteorological Information and Flight Plan
Conditions at Accident Site: VMC
Condition of Light: Day
Observation Facility, Elevation: PAAQ,230 ft msl
Observation Time: 12:53 Local
Distance from Accident Site: 6 Nautical Miles
Temperature/Dew Point: 2°C /-3°C
Lowest Cloud Condition: Few / 5000 ft AGL
Wind Speed/Gusts, Direction: / ,
Lowest Ceiling: Broken / 20000 ft AGL
Visibility: 10 miles
Altimeter Setting: 29.54 inches Hg
Type of Flight Plan Filed: None
Departure Point: Wasilla, AK
Destination: Wasilla, AK
Wreckage and Impact Information
Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries:
Aircraft Fire: None
Ground Injuries:
Aircraft Explosion: None
Total Injuries: 1 Minor
Latitude, Longitude: 61.639338,-149.28758
Aviation Accident Final Report - National Transportation Safety Board
The National Transportation Safety Board did not travel to the scene of this accident.
Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Fairbanks, Alaska
B-407 LLC
Location: Skwentna, Alaska
Accident Number: ANC21LA060
Date and Time: July 16, 2021, 12:20 Local
Registration: N99640
Aircraft: Piper PA-18-135
Aircraft Damage: Substantial
Defining Event: Nose over/nose down
Injuries: 2 None
Flight Conducted Under: Part 91: General aviation - Personal
Analysis
The pilot stated that he was landing on an unimproved runway with calm winds. After landing, he applied brakes, but felt he needed more. When he increased brake pressure, the tail of the airplane rose, the prop struck the ground and the airplane flipped over, resulting in substantial damage to the rudder, vertical stabilizer and right lift strut. The pilot reported that there were no mechanical malfunctions or failures 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 use of excessive braking which resulted in a nose-over.
Findings
Aircraft Brake - Incorrect use/operation
Aircraft Surface speed/braking - Incorrect use/operation
Personnel issues Use of equip/system - Pilot
Factual Information
History of Flight
Landing-landing roll Nose over/nose down (Defining event)
Pilot Information
Certificate: Airline transport; Commercial; Flight instructor
Age: 71
Airplane Rating(s): Single-engine land; Single-engine sea; Multi-engine land
Seat Occupied: Rear
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane single-engine; Instrument airplane
Toxicology Performed:
Medical Certification: BasicMed
Last FAA Medical Exam: April 7, 2021
Occupational Pilot: No
Last Flight Review or Equivalent: June 19, 2021
Flight Time: 27085 hours (Total, all aircraft), 84 hours (Total, this make and model), 19132 hours (Pilot In Command, all aircraft), 30 hours (Last 90 days, all aircraft), 10 hours (Last 30 days, all aircraft), 4 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: Piper
Registration: N99640
Model/Series: PA-18-135
Aircraft Category: Airplane
Year of Manufacture: 1954
Amateur Built:
Airworthiness Certificate: Normal
Serial Number: 54-2642
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: September 8, 2020 Annual
Certified Max Gross Wt.: 1750 lbs
Time Since Last Inspection: 55 Hrs
Engines: 1 Reciprocating
Airframe Total Time: 3542 Hrs at time of accident
Engine Manufacturer: Lycoming
ELT: C126 installed, activated, did not aid in locating accident
Engine Model/Series: O320-A2B
Registered Owner:
Rated Power: 160 Horsepower
Operator: On file
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual (VMC)
Condition of Light: Day
Observation Facility, Elevation: PATK, 356 ft msl
Distance from Accident Site: 41 Nautical Miles
Observation Time: 11:53 Local
Direction from Accident Site: 107°
Lowest Cloud Condition: Clear
Visibility 10 miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 3 knots /
Turbulence Type Forecast/Actual: /
Wind Direction: 310°
Turbulence Severity Forecast/Actual: /
Altimeter Setting: 30.03 inches Hg
Temperature/Dew Point: 21°C / 11°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Wasilla, AK (4AK6)
Type of Flight Plan Filed: None
Destination: Skwentna, AK
Type of Clearance: None
Departure Time: 10:30 Local
Type of Airspace: Class G
Airport Information
Airport: PRIVATE PVT
Runway Surface Type:
Airport Elevation: 1384 ft msl
Runway Surface Condition: Dry
Runway Used:
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: Full stop; Straight-in
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries:
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 62.533065,-151.50171(est)
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