# NTSB NYC90LA022: Great Lakes 2T-1A-2, N771VY, Pittstown, NJ, October 28, 1989

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: October 28, 1989, 16:00 local (20:00 UTC)
- Place: Pittstown, NJ
- Location: 40.5659° N, 74.9793° W: Placed by OpenAirDocs at SKY MANOR (N40), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5659&lon=-74.9793&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report January 23, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 36579
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC90LA022
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36579/pdf
- Page: https://openairdocs.org/ntsb/NYC90LA022

## Probable cause

THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING LANDING.

## 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, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (contributing factor)
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)

## Analysis

THE GREAT LAKES 2T-1A-2 FLIPPED OVER AFTER ONE WHEEL LEFT THE RIGHT SIDE OF THE RUNWAY AND ENCOUNTERED SOFT TERRAIN.

## Aircraft

- Registration: [N771VY](https://openairdocs.org/aircraft/N771VY), registered now, S/N 0742, built 1976 (OpenAirDocs)
- Reported make and model: GREAT LAKES 2T-1A-2
- Registry model: [Great Lakes 2T-1A-2](https://openairdocs.org/model/great-lakes-2t-1a-2) (registry code 3910101) (OpenAirDocs)
- Registry engine: [Lycoming AEIO-360 series](https://openairdocs.org/engine/lycoming-aeio-360-series) (registry code 41522, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 0742
- Engines: LYCOMING AEIO-360-B1G6 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Dominic H. Aldi, Sr.
- Airworthiness certificate: Standard, Aerobatic
- Last inspection: Annual, December 16, 1988, 28 hours before
- Departed: 1N7, BLAIRSTOWN, NJ
- Destination: N40, PITTSTOWN, NJ
- Airport: N40, Sky Manor, runway 24, 2,439 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 62; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; flight hours: 2,162 total, 42 in this make and model, 1,752 as pilot in command, 18 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: 10 statute miles
- Temperature: 52 °F, dew point -0 °F

## 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 19891028045099A](https://openairdocs.org/incident/19891028045099A), Oct 28, 1989: Grtlks 2T1A2, Pittstown, NJ, Substantial damage. Ran a wheel off side of runway into soft ground landing. Nosed 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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