# NTSB NYC89LA117: Cessna 172M, N9946Q, Palmyra, PA, April 14, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 14, 1989, 18:20 local (22:20 UTC)
- Place: Palmyra, PA
- Coordinates: 40.300579, -76.590263 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.3006&lon=-76.5903&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 24, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 36396
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC89LA117
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36396/pdf
- Page: https://openairdocs.org/ntsb/NYC89LA117

## Probable cause

THE PILOT MISJUDGED THE AIRSPEED AND DISTANCE DURING THE LANDING.

## Sequence of events

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

- Overrun, landing - flare/touchdown
  - airspeed - misjudged, pilot in command (cause)
  - proper touchdown point - not attained, pilot in command (cause)
  - go-around - not performed, pilot in command
- Nose over, landing - roll
  - terrain condition - rough/uneven

## Analysis

DURING A PROFICIENCY FLIGHT THE PILOT LANDED LONG. THE ACFT RAN OFF THE END OF THE RWY AND NOSED OVER IN ROUGH TERRAIN.

## Aircraft

- Registration: [N9946Q](https://openairdocs.org/aircraft/N9946Q), registered now, S/N 17265890, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17265890
- Airframe hours: 2725
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Donalde.Martin
- Registered owner: Donald E Martin
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, December 9, 1988, 92 hours before
- Departed: 58N, PALMYRA, PA
- Airport: 58N, Raigle, runway 31, 2,000 × 40 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 225 total, 9 in this make and model, 179 as pilot in command, 3 in the last 90 days, 2 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 64 °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 19890414063479A](https://openairdocs.org/incident/19890414063479A), Apr 14, 1989: Cessna 172M, Palmyra, PA, Substantial damage. Overran the runway during a pratice crosswind landing. Aircraft nosed over prior to stopping.

## Other investigations on N9946Q (1)

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 ERA22LA303](https://openairdocs.org/ntsb/ERA22LA303), Jul 8, 2022: Cessna 172M (N9946Q), South Portland, ME, substantial damage. Probable cause: The student pilot’s improper landing flare, which resulted in a hard landing. Also causal was the flight instructor’s inadequate remedial action.

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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