# NTSB NYC84LA286: Cessna 172, N739SF, Islip, NY, August 17, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 17, 1984, 18:41 local (22:41 UTC)
- Place: Islip, NY
- Location: 40.7961° N, 73.1007° W: Placed by OpenAirDocs at LONG ISLAND MAC ARTHUR (ISP), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7961&lon=-73.1007&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35746
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84LA286
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35746/pdf
- Page: https://openairdocs.org/ntsb/NYC84LA286

## Sequence of events

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

- Undershoot, approach - vfr pattern - final approach
  - distance - misjudged, pilot in command (cause)
  - self-induced pressure, pilot in command (contributing factor)
  - altitude - misjudged, pilot in command (cause)
- In flight collision with terrain/water, landing - flare/touchdown
  - airport facilities,runway/landing area condition - dirt bank/rising embankment (contributing factor)

## Analysis

COMMUNICATIONS WITH TWR INDICATE PLT INTENDED TO TOUCH DOWN AS CLOSE TO THE END OF THE RUNWAY AS POSSIBLE. ACFT TOUCHED DOWN 20 YDS SHORT OF HARD SURFACE IN GRAVEL. RWY NOTAM STATED 18 IN DEPRESSION AT THRESHHOLD EDGE.

## Aircraft

- Registration: [N739SF](https://openairdocs.org/deregistered/N739SF-2019-01-22), registration cancelled 2019-01-22, S/N 17270763, built 1978 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17270763
- Airframe hours: 2242
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Gace Flying Club, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 1, 1984, 18 hours before
- Departed: BADR, ATLANTIC CITY, NJ
- Destination: ISP, RONKONKOMA, NY
- Airport: ISP, Macarthur, runway 6, 5,999 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 63; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 861 total, 340 in this make and model, 752 as pilot in command, 2 in the last 90 days, 2 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 5 statute miles
- Lowest ceiling: 4,000 ft broken
- Temperature: 81 °F, dew point 63 °F
- Altimeter: 29.00 inHg
- Observed at: ISP

## 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 19840817041529A](https://openairdocs.org/incident/19840817041529A), Aug 17, 1984: Cessna 172N, Islip, NY, Substantial damage. Pilot allowed aircraft to land short of runway hitting a 2 foot deep ditch causing landing gear to shear off.

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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