# NTSB FTW74DPJ05: Luscombe 8A, N72004, Optima, OK, August 6, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 6, 1973
- Place: Optima, OK · OPTIMA, OK
- Location: 36.7613° N, 101.3492° W: Placed by OpenAirDocs: center of Optima, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.7613&lon=-101.3492&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 7, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189520
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW74DPJ05
- Page: https://openairdocs.org/ntsb/FTW74DPJ05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1990   73/8/6    OPTIMA,OKLA         LUSCOMBE 8A         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 44, 718
        TIME - 1145                    N72004              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 656 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LIBERAL,KANS                DALHART,TEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE TOO LOW
           WEATHER - UNFAVORABLE WIND CONDITIONS
           TERRAIN - OTHER
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     170
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- LO OIL PRESS PLT MADE PRECAUTRY LND ON DIRT ROAD STALL 15 FT HI SWERVE HIT DITCH.
```

## Aircraft

- Registration: [N72004](https://openairdocs.org/aircraft/N72004), registered now, S/N 3431, built 1946 (OpenAirDocs)
- Reported make and model: LUSCOMBE 8A
- Registry model: [Silvaire LUSCOMBE 8A](https://openairdocs.org/model/silvaire-luscombe-8a) (registry code 8190120) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19730806023929A](https://openairdocs.org/incident/19730806023929A), Aug 6, 1973: Luscom 8A, Optima, OK, Substantial damage. Lo oil press plt made precautry lnd on dirt road stall 15 ft hi swerve hit ditch.

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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