# NTSB UNK64X1162: Boeing A75, N1730B, Maxwell, CA, April 4, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 4, 1964
- Place: Maxwell, CA · MAXWELL, CA
- Location: 39.2771° N, 122.1947° W: Placed by OpenAirDocs: center of Maxwell, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2771&lon=-122.1947&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 25, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184606
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1162
- Page: https://openairdocs.org/ntsb/UNK64X1162

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0807   64/4/4    MAXWELL CALIF       BOEING A75          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 34, 5200
        TIME - 1215                    N1730B              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 5010 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 5010                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          SWATH RUN-HOW FLOWN - CROSSWIND
         FIRE AFTER IMPACT
        REMARKS- AN ON THE SCENE INVESTIGATION WAS CONDUCTED
```

## Aircraft

- Registration: [N1730B](https://openairdocs.org/aircraft/N1730B), registered now, S/N 75-5876 (OpenAirDocs)
- Reported make and model: BOEING A75
- Registry model: [Boeing E75N1](https://openairdocs.org/model/boeing-e75n1) (registry code 1380154) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N1730B (1)

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 OAK78DVA61](https://openairdocs.org/ntsb/OAK78DVA61), Jul 21, 1978: Boeing A75 (N1730B), Chowchilla, 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.

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