# NTSB OAK72FVM01: Stinson L-5, N3767G, San Jose, CA, June 17, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 17, 1972
- Place: San Jose, CA · SAN JOSE, CA
- Location: 37.3394° N, 121.8950° W: Placed by OpenAirDocs: center of San Jose, CA, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3394&lon=-121.8950&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 23, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 117519
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72FVM01
- Page: https://openairdocs.org/ntsb/OAK72FVM01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2337  72/6/17    SAN JOSE,CALIF      STINSON L-5         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 44, 1256
        TIME - 0645                    N3767G              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1096 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MILPITAS,CALIF              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  745                       KIND OF OPERATION - DUSTING CROPS
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    TANK/HOPPER-LOCATION - AFT OF PILOT
          TERRAIN-TYPE -LEVEL,FLAT
        REMARKS- NR1 CYL INTAKE VALVE STUCK OPEN.ACFT NOT RETD AIRWORTHY AFTR ENG MAINT DUE SIMILAR PREV OCCURRENCE
```

## Aircraft

- Registration: [N3767G](https://openairdocs.org/deregistered/N3767G-2011-05-25), registration cancelled 2011-05-25, S/N C-1 (OpenAirDocs)
- Reported make and model: STINSON L-5
- Registry model: [Stinson L-5](https://openairdocs.org/model/stinson-l-5) (registry code 8630202) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ag Strip

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.