# NTSB FTW70F0020: Monocoupe 110, N12350, Collinsville, OK, May 24, 1969

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 24, 1969
- Place: Collinsville, OK · COLLINSVILLE, OK
- Location: 36.3729° N, 95.8572° W: Placed by OpenAirDocs: center of Collinsville, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.3729&lon=-95.8572&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report August 25, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 176460
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70F0020
- Page: https://openairdocs.org/ntsb/FTW70F0020

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1985  69/5/24    COLLINSVILLE,OKLA   MONOCOUPE 110       CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 57, 437
        TIME - 1615                    N12350              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - AIRMAN ACRES
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    LANDING: TRAFFIC PATTERN-CIRCLING
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: VALVES
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE TOO LOW
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- PLT DIED 6/25/69. OIL TANK SHUTOFF VALVE IN CLOSED POSITION.STALLED DURING TURN TO RETURN.TO RNWY.
```

## Aircraft

- Registration: [N12350](https://openairdocs.org/aircraft/N12350), registered now, S/N 6W39, built 1932 (OpenAirDocs)
- Reported make and model: MONOCOUPE 110
- Registry model: [Monocoupe 110](https://openairdocs.org/model/monocoupe-110) (registry code 5810202) (OpenAirDocs)
- Registry engine: [Warner SCARAB series](https://openairdocs.org/engine/warner-scarab-series) (registry code 64502, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Airman Acres

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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