# NTSB DEN87LA214: Piper PA-22, N8433D, Greeley, CO, August 8, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 8, 1987, 11:30 local (17:30 UTC)
- Place: Greeley, CO
- Coordinates: 40.440498, -104.669418 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.4405&lon=-104.6694&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 17296
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87LA214
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17296/pdf
- Page: https://openairdocs.org/ntsb/DEN87LA214

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, dual student (cause)
  - ground loop/swerve - inadvertent, dual student (cause)
  - supervision - inadequate, pilot in command(cfi) (cause)
  - lack of total experience in type of aircraft, pilot in command(cfi) (contributing factor)
- On ground/water encounter with terrain/water, landing - roll

## Analysis

N8433D WAS BEING FLOWN BY THE PLT/OWNER WITH AN INSTRUCTOR ABOARD FOR THE PURPOSE OF UP-DATING THE OWNER'S FLYING PROFICIENCY. SEVERAL SUCCESSFUL LANDINGS WERE MADE, THEN A WHEEL LANDING WAS INITIATED. AFTER TOUCHDOWN, THE ACFT SWERVED TO THE LEFT, DEPARTED THE RWY & SUSTAINED SUBSTANTIAL DAMAGE.

## Aircraft

- Registration: [N8433D](https://openairdocs.org/deregistered/N8433D-2022-12-31), registration cancelled 2022-12-31, S/N 22-5688, built 1958 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-160](https://openairdocs.org/model/piper-pa-22-160) (registry code 7102214) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-5688
- Airframe hours: 1718
- Engines: LYCOMING O-320-B2B 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Arthur D. Reineir
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 8, 1987, 5 hours before
- Departed: GXY
- Airport: GXY, Greeley-Weld County, runway 9, 6,210 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 4,000 total, 2 in this make and model, 3,750 as pilot in command, 143 in the last 90 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 40 statute miles
- Lowest ceiling: none

## 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 19870808043969A](https://openairdocs.org/incident/19870808043969A), Aug 8, 1987: Piper PA22160, Greeley, CO, Substantial damage. Lost directional control on a wheel landing roll during dual instruction. Aircraft departed runway. Ground looped.

## Other investigations on N8433D (2)

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.

- [NTSB ANC12LA107](https://openairdocs.org/ntsb/ANC12LA107), Sep 17, 2012: Piper PA-22-160 (N8433D), Talkeetna, AK, substantial damage. Probable cause: The flight instructor's failure to maintain adequate airspeed while maneuvering at a low altitude, which resulted in an inadvertent stall.
- [NTSB ANC08CA109](https://openairdocs.org/ntsb/ANC08CA109), Aug 9, 2008: Piper PA-20/22 (N8433D), Talkeetna, AK, substantial damage. Probable cause: The pilot's failure to maintain clearance from brush during the landing roll.

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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