# NTSB NYC74DHJ07: Schweizer SGS233, N7555, Shirley, NY, July 24, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 24, 1973
- Place: Shirley, NY · SHIRLEY, NY
- Location: 40.7936° N, 72.8759° W: Placed by OpenAirDocs: center of Shirley, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7936&lon=-72.8759&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 11, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189592
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74DHJ07
- Page: https://openairdocs.org/ntsb/NYC74DHJ07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1983  73/7/24    SHIRLEY,NY          SCHWEIZER SGS233    CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, AGE 49, 2345
        TIME - 1145                    N7555               PX-  0  0  0  DUAL                      TOTAL HOURS, 27 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BROOKHAVEN
        DEPARTURE POINT             INTENDED DESTINATION
          SHIRLEY,NY                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: PARKED AIRCRAFT                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        REMARKS- WIND SHIFTED PILOT DID NOT RELEASE TOW ROPE.SWERVED INTO PARKED PIPER PA-18 N4410Z.ACFT WHEEL EQPD
```

## Aircraft

- Registration: [N7555](https://openairdocs.org/deregistered/N7555-2023-02-04), registration cancelled 2023-02-04, S/N 185, built 1970 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS233
- Registry model: [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a) (registry code 8051606) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Brookhaven

## 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 19730724022809A](https://openairdocs.org/incident/19730724022809A), Jul 24, 1973: Scwzer SGS233A, Shirley, NY, Substantial damage. Wind shifted pilot did not release tow rope. Swerved into parked Piper PA-18 N4410Z.acft wheel eqpd

## Other investigations on N7555 (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 NYC78FHJ18](https://openairdocs.org/ntsb/NYC78FHJ18), Jul 1, 1978: Schweizer 2-33 (N7555), Brookhaven, 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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