# NTSB FTW77DPJ25: Schweizer SGS233, N7757S, Lawton, OK, June 25, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1977
- Place: Lawton, OK · LAWTON, OK
- Location: 34.6087° N, 98.3903° W: Placed by OpenAirDocs: center of Lawton, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.6087&lon=-98.3903&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 19, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 158102
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77DPJ25
- Page: https://openairdocs.org/ntsb/FTW77DPJ25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1197  77/6/25    LAWTON,OK           SCHWEIZER SGS233    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 1570
        TIME - 1845                    N7757S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 205 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LAWTON MUNICIPAL
        DEPARTURE POINT             INTENDED DESTINATION
          LAWTON,OK                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: TRAFFIC PATTERN-CIRCLING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- UN MAINTAIN LIFT.
```

## Aircraft

- Registration: [N7757S](https://openairdocs.org/aircraft/N7757S), registered now, S/N 127 (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: Lawton Municipal

## 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 19770625015929A](https://openairdocs.org/incident/19770625015929A), Jun 25, 1977: Scwzer SGS233A, Lawton, OK, Substantial damage. Un maintain lift.

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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