# NTSB FTW69D0414: Pitts S-1, N11J, Okmulgee, OK, March 4, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 4, 1969
- Place: Okmulgee, OK · OKMULGEE, OK
- Location: 35.6252° N, 95.9540° W: Placed by OpenAirDocs: center of Okmulgee, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.6252&lon=-95.9540&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 4, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 118599
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW69D0414
- Page: https://openairdocs.org/ntsb/FTW69D0414

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0724   69/3/4    OKMULGEE,OKLA       PITTS S-1           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N11J                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 37, 1478 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OKMULGEE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT SHOULDERS
        REMARKS- PLT LOST DIRECTIONAL CTL AFTER CORRECTING FOR A R GROUND LOOP.
```

## Aircraft

- Registration: N11J (not matched to a registry record)
- Reported make and model: PITTS S-1
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Okmulgee

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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