# NTSB DEN86LA085: Piper PA-22-150, N5721D, Estelline, SD, February 25, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 25, 1986, 17:30 local (23:30 UTC)
- Place: Estelline, SD
- Coordinates: 44.569, -96.899536 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.5690&lon=-96.8995&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16925
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN86LA085
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16925/pdf
- Page: https://openairdocs.org/ntsb/DEN86LA085

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - in flight, landing - roll
  - airport facilities,runway/landing area condition - rough/uneven (contributing factor)
  - planning/decision - improper, pilot in command (cause)
  - weather condition - crosswind (contributing factor)
  - lack of total experience, pilot in command (contributing factor)
  - lack of total experience in type of aircraft, pilot in command (contributing factor)
- Nose over, landing - roll
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command

## Analysis

ACCORDING TO THE STUDENT PLT, DURING THE LANDING ROLL ON A PUBLIC ROAD, THE ACFT HE WAS PILOTING ENCOUNTERED A CROSSWIND WHICH TIPPED THE LEFT WING UP. THE STUDENT PLT INDICATED THE ACFT NOSED OVER ONTO ITS BACK. THE PLT HAD PURCHASED THE ACFT APRX 1 HR PRIOR TO THE ACCIDENT.

## Aircraft

- Registration: [N5721D](https://openairdocs.org/deregistered/N5721D-2013-09-16), registration cancelled 2013-09-16, S/N 22-4419, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-22-150
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-4419
- Airframe hours: 2684
- Engines: LYCOMING O-320-A1A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Ross G. Ritchie
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, February 22, 1986, 5 hours before
- Departed: MILBANK, SD

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; student; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 15 total, 14 in this make and model, 8 as pilot in command, 2 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 280° at 15 knots, gusting 20
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 50 °F
- Altimeter: 29.00 inHg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19860225004469A](https://openairdocs.org/incident/19860225004469A), Feb 25, 1986: Piper PA22150, Estelline, SD, Substantial damage. Landed to the north on a road in a crosswind. A wheel contacted a snowbank at the road edge causing a nose over.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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