# NTSB NYC91LA142: Piper PA-28, N9163Z, Vergennes, VT, May 21, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 21, 1991, 15:00 local (19:00 UTC)
- Place: Vergennes, VT
- Location: 44.1677° N, 73.2553° W: Placed by OpenAirDocs: center of Vergennes, VT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.1677&lon=-73.2553&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 7, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 36932
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC91LA142
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36932/pdf
- Page: https://openairdocs.org/ntsb/NYC91LA142

## Probable cause

THE PILOT'S EXCESSIVE TAXI SPEED, RESULTED IN AN ON GROUND LOSS OF CONTROL.

## Sequence of events

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

- Loss of control - on ground/water, taxi - to takeoff
  - taxispeed - excessive, pilot in command (cause)
  - directional control - not maintained, pilot in command
- On ground/water collision with object, taxi - to takeoff
  - object - building(nonresidential)

## Analysis

THE PILOT WAS TAXIING FOR TAKEOFF ON A GRASS AIRPORT, WHEN HE EXPERIENCED AN ON GROUND LOSS OF CONTROL DUE TO EXCESSIVE TAXI SPEED.

## Aircraft

- Registration: [N9163Z](https://openairdocs.org/aircraft/N9163Z), registered now, S/N 2841056, built 1989 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (registry code 7102803) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 2841056
- Engines: LYCOMING O-320-D36 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: George Johnston, Jr.
- Registered owner: George Johnston, Jr.
- Last inspection: Unknown, January 2, 2000
- Destination: BDR, BRIDGEPORT, CT
- Airport: YKO, Yankee Kingdom

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 348 total, 257 in this make and model, 267 as pilot in command, 16 in the last 90 days, 6 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 30 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 19910521021029A](https://openairdocs.org/incident/19910521021029A), May 21, 1991: Piper PA28161, West Addison, VT, Substantial damage. Wing tip caught edge of a barn when aircraft skidded on grass while turning onto runway for takeoff.

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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