# NTSB LAX71FVA90: Boeing 75, N56796, Buttonwillw, CA, June 19, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 19, 1971
- Place: Buttonwillw, CA · BUTTONWILLW, CA
- Location: 35.4092° N, 119.4407° W: Placed by OpenAirDocs: center of Buttonwillow, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.4092&lon=-119.4407&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report February 23, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161851
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71FVA90
- Page: https://openairdocs.org/ntsb/LAX71FVA90

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2277  71/6/19    BUTTONWILLW,CALIF   BOEING 75           CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 34, 2000
        TIME - 0900                    N56796              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 900 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - 3H AG STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          BUTTONWILLW,CALIF           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: DEFICIENCY,COMPANY MAINTAINED EQPMT,SERVICES,REGULATION
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- NO A/S INDC,CARB HEAT SYST,EXH HEAT MUFFS.ENG RPRD LCLY,NOT RET TO SVC AIRWORTHY.OUT OF ANN 14MOS.
```

## Aircraft

- Registration: N56796 (not matched to a registry record)
- Reported make and model: BOEING 75
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: 3h 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.