# NTSB NYC77FHJ16: Beech C23, N9145S, Islip, NY, April 30, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 30, 1977
- Place: Islip, NY · ISLIP, NY
- Location: 40.7303° N, 73.2161° W: Placed by OpenAirDocs: center of Islip, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7303&lon=-73.2161&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 10, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147210
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC77FHJ16
- Page: https://openairdocs.org/ntsb/NYC77FHJ16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2137  77/4/30    ISLIP,NY            BEECH C23           CR-  0  0  2  INSTRUCTIONAL             CERTIFICATE UNKNOWN, AGE
        TIME - 1130                    N9145S              PX-  0  0  0  DUAL                      UNK/NR, UNK/NR TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        NAME OF AIRPORT - MCARTHUR
        DEPARTURE POINT             INTENDED DESTINATION
          FARMINGDALE,NY              ISLIP,NY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           DUAL STUDENT - MISUSED OR FAILED TO USE FLAPS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N9145S](https://openairdocs.org/aircraft/N9145S), registered now, S/N M-1768, built 1976 (OpenAirDocs)
- Reported make and model: BEECH C23
- Registry model: [Beech C23](https://openairdocs.org/model/beech-c23) (registry code 1151242) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mcarthur

## 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 19770430012769A](https://openairdocs.org/incident/19770430012769A), Apr 30, 1977: Beech C23, Islip, NY, Substantial damage

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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