# NTSB OAK69D0157: Stearman 75, N68447, Mariposa, CA, October 3, 1968

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 3, 1968
- Place: Mariposa, CA · MARIPOSA, CA
- Location: 37.4912° N, 119.9732° W: Placed by OpenAirDocs: center of Mariposa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.4912&lon=-119.9732&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 14, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108369
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK69D0157
- Page: https://openairdocs.org/ntsb/OAK69D0157

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3276   68/10/3   MARIPOSA,CALIF      STEARMAN 75         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 1500
        TIME - 1545                    N68447              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           TERRAIN - ROUGH/UNEVEN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - PASTURE                                   TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
```

## Aircraft

- Registration: [N68447](https://openairdocs.org/deregistered/N68447-2002-04-02), registration cancelled 2002-04-02, S/N 75-2672, built 1941 (OpenAirDocs)
- Reported make and model: STEARMAN 75
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N68447 (2)

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.

- [NTSB OAK67D0171](https://openairdocs.org/ntsb/OAK67D0171), Nov 14, 1966: Boeing A75 (N68447), Reedley, CA, substantial damage
- [NTSB OAK66D0062](https://openairdocs.org/ntsb/OAK66D0062), Aug 14, 1965: Boeing A-75 (N68447), Porterville, CA, substantial damage

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.