- Date
- February 23, 2019, 14:30 local (20:30 UTC)
- Place
- Aberdeen, SD
- Injuries
- 1 minor, 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N37716Porterfield CP 65
- Defining event
- Landing: Collision during takeoff/land
- Weather
- Visual (VMC) · Day
- Status
- Completed · report November 6, 2019
- Report
- Approved by Office Director
- NTSB office
- General Aviation Accidents
- Parties
- FAA
- FAA report
- 20190223010479A
- Case key
- 99019
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot's selection of unsuitable terrain for landing, which resulted in a nose-over.
Findings · 2
NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.
Sequence of events
The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.
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.
Factual narrative
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.
Aircraft
- Registration
- N37716
- Reported as
- Porterfield CP 65 (No Series)
- Category
- Airplane
- Serial number
- 945
- Built
- 1941
- Airframe hours
- 3,609
- Engine
- Continental A65-8, 65 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · October 23, 2018
- Departed
- ABR · Aberdeen, SD
- Destination
- ABR · Aberdeen, SD
- Equipment
- Unknown
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 65
- Injuries
- Minor
- Certificates
- Flight instructor, Commercial
- Airplane ratings
- Single-engine land, Single-engine sea, Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, With waivers/limitations
- Last flight review
- June 17, 2017
- Seat
- Front
- Restraint
- 3-point
- Flight hours
- 10,375 total · 150 in this make and model · 10,275 as pilot in command · 45 in the last 90 days · 15 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 350° at 8 knots
- Temperature
- 19 °F, dew point 12 °F
- Altimeter
- 29.87 inHg
- Observed at
- KABR, 10 nm away
Docket · 2
The files NTSB released with the investigation on March 27, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 5.4 MB in all.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N37716 · 1
Matched to the same aircraft by N-number and date.