Federal Aviation Administration / Flight Standards District Office; Rapid City, South Dakota
Aviation Accident Final 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/N37716
Location: Aberdeen, SD
Accident Number: GAA19CA147
Date & Time: 02/23/2019, 1430 CST
Registration: N37716
Aircraft: Porterfield CP 65
Aircraft Damage: Substantial
Defining Event: Collision during takeoff/land
Injuries: 1 Minor, 1 None
Flight Conducted Under: Part 91: General Aviation - Personal
Analysis
The pilot reported that, during a touch-and-go landing on a frozen lake, the airplane struck a "drift of deep snow" and came to rest inverted. He added that he did not see the snow drift before landing.
The airplane sustained substantial damage to the right wing and empennage.
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 selection of unsuitable terrain for landing, which resulted in a nose-over.
Findings
Personnel issues
Decision making/judgment - Pilot (Cause)
Environmental issues
Snow/slush/ice covered surface - Effect on operation (Cause)
Factual Information
History of Flight
Landing
Collision during takeoff/land (Defining event)
Roll over
Pilot Information
Certificate: Flight Instructor; Commercial
Age: 65, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Front
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 2 With Waivers/Limitations
Last FAA Medical Exam: 05/01/2018
Occupational Pilot: Yes
Last Flight Review or Equivalent: 06/17/2017
Flight Time: (Estimated) 10375 hours (Total, all aircraft), 150 hours (Total, this make and model), 10275 hours (Pilot In Command, all aircraft), 45 hours (Last 90 days, all aircraft), 15 hours (Last 30 days, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: Porterfield
Registration: N37716
Model/Series: CP 65 No Series
Aircraft Category: Airplane
Year of Manufacture: 1941
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 945
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 10/23/2018, Annual
Certified Max Gross Wt.: 1200 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 3609 Hours as of last inspection
Engine Manufacturer: Continental
ELT: Installed, activated, did not aid in locating accident
Engine Model/Series: A65-8
Registered Owner: Hub City Flying Club Inc
Rated Power: 65 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: KABR, 1300 ft msl
Distance from Accident Site: 10 Nautical Miles
Observation Time: 2053 CST
Direction from Accident Site: 123°
Lowest Cloud Condition: Clear
Visibility:
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 8 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 350°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.87 inches Hg
Temperature/Dew Point: -7°C / -11°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Aberdeen, SD (ABR)
Type of Flight Plan Filed: None
Destination: Aberdeen, SD (ABR)
Type of Clearance: None
Departure Time: 1400 CST
Type of Airspace: Class G
Wreckage and Impact Information
Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 Minor, 1 None
Latitude, Longitude: 45.534722, -98.613056 (est)
A plane flipped while attempting a touch-and-go maneuver on Richmond Lake Saturday afternoon.
Dave Lunzman, chief deputy with the Brown County Sheriff’s Office, said the pilot misjudged the depth of the snow on the lake.
That was around 2:30 p.m.
Emergency responders spent much of the afternoon tending to a blue plane that was upside down on the lake’s snowy, icy surface.
The plane took off from Aberdeen Regional Airport around 2 p.m., Lunzman said.
Darryl Shook, 65, of Aberdeen was the pilot, according to Lunzman. Christopher Placek, 41, of Aberdeen was the co-pilot. Both suffered minor injuries.
The men are experienced pilots, Lunzman said. But they both misjudged the depth of the snow on the lake, and it sucked them down and flipped the plane, he said.
A touch-and-go is when the pilot drops down and touches the surface without actually landing.
“It was just an attempted touch-and-go and it failed,” Lunzman said.
There were no mechanical issues, he said.
Area residents saw what happened and called authorities, he said.
Since there were no mechanical issues, the National Transportation Safety Board has released the plane, which will remain on the lake until Monday when the weather clears, Lunzman said. The plane was towed to the shore near Anchors Away, however.
The ice was pretty thick, so there was minimum risk of the plane breaking through, he said. Some fuel that leaked was cleaned up, he said.
According to Federal Aviation Administration records based on its tail number, the plane is registered to Hub City Flying Club in Aberdeen.
It’s a Porterfield CP-65 fixed-wing, single-engine plane, according to FAA data.
The plane flipped roughly a quarter-mile west of Anchors Away resort.
A woman at Anchors Away said she saw the plane coming from the east and flying low. She and others wondered if it was trying to land, but when the plane passed, she stopped paying attention. The woman said the lake’s ice is uneven, and the snow on top is rough.
Emergency responders were called to the lake for an “aircraft emergency.”
The South Dakota Highway Patrol, Brown County Sheriff’s Office, Aberdeen Fire & Rescue, Brown County Emergency Management and Aberdeen Rural Fire Department responded.
https://www.aberdeennews.com
Accident Number: GAA19CA147
Date & Time: 02/23/2019, 1430 CST
Registration: N37716
Aircraft: Porterfield CP 65
Aircraft Damage: Substantial
Defining Event: Miscellaneous/other
Injuries: 1 Minor, 1 None
Flight Conducted Under: Part 91: General Aviation - Personal
The pilot reported that, during a touch and go landing on a frozen lake, the airplane struck a "drift of deep snow" and came to rest inverted. He added that he did not see the snow drift before landing.
The airplane sustained substantial damage to the right wing and empennage.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
Pilot Information
Certificate: Flight Instructor; Commercial
Age: 65, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 3-point
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 2 With Waivers/Limitations
Last FAA Medical Exam: 05/01/2018
Occupational Pilot: Yes
Last Flight Review or Equivalent: 06/17/2017
Flight Time: (Estimated) 10375 hours (Total, all aircraft), 150 hours (Total, this make and model), 10275 hours (Pilot In Command, all aircraft), 45 hours (Last 90 days, all aircraft), 15 hours (Last 30 days, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: Porterfield
Registration: N37716
Model/Series: CP 65 No Series
Aircraft Category: Airplane
Year of Manufacture: 1941
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 945
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 10/23/2018, Annual
Certified Max Gross Wt.: 1200 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 3609 Hours as of last inspection
Engine Manufacturer: Continental
ELT: Installed, activated, did not aid in locating accident
Engine Model/Series: A65-8
Registered Owner: Hub City Flying Club Inc
Rated Power: 65 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: KABR, 1300 ft msl
Distance from Accident Site: 10 Nautical Miles
Observation Time: 2053 CST
Direction from Accident Site: 123°
Lowest Cloud Condition: Clear
Visibility:
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 8 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 350°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.87 inches Hg
Temperature/Dew Point: -7°C / -11°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Aberdeen, SD (ABR)
Type of Flight Plan Filed: None
Destination: Aberdeen, SD (ABR)
Type of Clearance: None
Departure Time: 1400 CST
Type of Airspace: Class G
Wreckage and Impact Information
Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 Minor, 1 None
Latitude, Longitude: 45.534722, -98.613056 (est)
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