# NTSB FTW81DPJ41: Beech A36, N440SU, Stillwater, OK, August 21, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 21, 1981
- Place: Stillwater, OK · STILLWATER, OK
- Location: 36.1315° N, 97.0745° W: Placed by OpenAirDocs: center of Stillwater, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1315&lon=-97.0745&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 13, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124037
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81DPJ41
- Page: https://openairdocs.org/ntsb/FTW81DPJ41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2643  81/8/21    STILLWATER,OK       BEECH A36           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N440SU              PX-  0  0  0  BUSINESS                  AGE 55, 12119 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 60 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - STILLWATER MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          TULSA,OK                    STILLWATER,OK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
```

## Aircraft

- Registration: [N440SU](https://openairdocs.org/aircraft/N440SU), registered now, S/N E-1115, built 1977 (OpenAirDocs)
- Reported make and model: BEECH A36
- Registry model: [Beech A36](https://openairdocs.org/model/beech-a36) (registry code 1151604) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Stillwater Muni

## 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 19810821060949A](https://openairdocs.org/incident/19810821060949A), Aug 21, 1981: Beech A36, Stillwater, OK, Substantial damage. Nose wheel collapsed after touchdown. Gear switch was not checked for proper position.

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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