Aviation Accident Final Report - National Transportation Safety Board
The National Transportation Safety Board did not travel to the scene of this accident.
Investigator In Charge (IIC): Kathryn Whitaker
Additional Participating Entities:
Jason Valenzuela; Federal Aviation Administration; Salt Lake City, UT
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N1706B
https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/199397/pdf
https://data.ntsb.gov/Docket?ProjectID=199397
Analysis
According to the pilot, he decided to perform a low pass over a frozen and snow-covered lake. During the low pass, the pilot attempted to “knick” the snow with the airplane’s main tires. Upon contacting the snow, the airplane immediately nosed over and came to rest inverted. As a result, the airplane sustained substantial damage to the right wing lift strut, vertical stabilizer, and rudder. The pilot reported there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Probable Cause
The pilot’s failure to maintain clearance from snow-covered terrain while maneuvering at low altitude.
Findings
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Aircraft Altitude: Not attained/maintained
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Personnel issues: Use of equipment/system – Pilot
History of Flight
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Maneuvering-low-alt flying: Collision with terrain/object (non-CFIT)
Pilot Information
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Certificate: Private
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Age: 71
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Sex: Male
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Airplane Rating(s): Single-engine land
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Seat Occupied: Front
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Other Aircraft Rating(s): None
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Restraint Used: 3-point
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Instrument Rating(s): None
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Second Pilot Present: No
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Instructor Rating(s): None
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Toxicology Performed: Not performed
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Medical Certification: BasicMed With waivers/limitations
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Last FAA Medical Exam: December 13, 2024
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Occupational Pilot: No
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Last Flight Review or Equivalent: January 27, 2024
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Flight Time: Estimated 2,038.2 hours (Total, all aircraft), 1,979.8 hours (Total, this make and model), 1,975.4 hours (Pilot In Command, all aircraft), 35.5 hours (Last 90 days, all aircraft), 8.2 hours (Last 30 days, all aircraft)
Passenger Information
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Certificate: Not specified
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Age: Female
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Seat Occupied: Rear
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Restraint Used: 3-point
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Second Pilot Present: No
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Toxicology Performed: Not performed
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Medical Certification: Not specified
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Last FAA Medical Exam: Not specified
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Occupational Pilot: Unknown
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Last Flight Review or Equivalent: Not specified
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Flight Time: Not specified
Aircraft and Owner/Operator Information
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Aircraft Make: Piper
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Registration: N1706B
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Model/Series: PA-12
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Aircraft Category: Airplane
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Year of Manufacture: 1947
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Amateur Built: No
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Airworthiness Certificate: Normal
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Serial Number: 12-1562
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Landing Gear Type: Tailwheel
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Seats: 3
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Date/Type of Last Inspection: Annual
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Certified Max Gross Wt.: 1,750 lbs
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Time Since Last Inspection: 27.34 hours
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Engines: 1 Reciprocating
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Airframe Total Time: 4,475.64 hours as of last inspection
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Engine Manufacturer: Lycoming
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ELT: C91 installed, activated, did not aid in locating accident
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Engine Model/Series: O-320-A2B
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Registered Owner: On file
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Rated Power: 150 Horsepower
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Operator: On file
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Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
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Conditions at Accident Site: Visual (VMC)
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Condition of Light: Day
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Observation Facility, Elevation: KFOM, 4,990 ft msl
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Observation Time: 09:55 Local
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Distance from Accident Site: 32 Nautical Miles
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Temperature/Dew Point: 2°C / -1°C
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Lowest Cloud Condition: Clear
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Visibility: 10 miles
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Lowest Ceiling: None
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Wind Speed/Gusts: Not specified
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Wind Direction: Not specified
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Altimeter Setting: 30.42 inches Hg
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Type of Flight Plan Filed: None
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Departure Point: Ridgefield, UT (RIF)
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Destination: Ridgefield, UT (RIF)
Wreckage and Impact Information
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Crew Injuries: 1 Minor
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Passenger Injuries: 1 Minor
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Aircraft Damage: Substantial
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Aircraft Fire: None
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Aircraft Explosion: None
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Total Injuries: 2 Minor
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Latitude, Longitude: 38.489643, -112.07132
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