# NTSB OAK75DVG23: Boeing A75N1, N5050V, Colusa, CA, September 18, 1974

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 18, 1974
- Place: Colusa, CA · COLUSA, CA
- Location: 39.2000° N, 122.0095° W: Placed by OpenAirDocs: center of Colusa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2000&lon=-122.0095&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report November 8, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 136642
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75DVG23
- Page: https://openairdocs.org/ntsb/OAK75DVG23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3052  74/9/18    COLUSA,CALIF        BOEING A75N1        CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 29, 3288
        TIME - 0750                    N5050V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DAVIS,CALIF                UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - MISCELLANEOUS EQUIPMENT: SPRAY,DUSTING EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           POWERPLANT - FUEL SYSTEM: LINES AND FITTINGS
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING FORESTS
          KIND OF CROP - MOSQUITO CONTROL                          TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -SWAMPY/WATER
          ELEVATION-AREA BEING TREATED-FEET -  50                  SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- AGITATOR PROPELLER FAILED AND CUT FUEL LINE.
```

## Aircraft

- Registration: [N5050V](https://openairdocs.org/aircraft/N5050V), registered now, S/N 75-6499, built 1942 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- 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

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740918033339A](https://openairdocs.org/incident/19740918033339A), Sep 18, 1974: Boeing A75N1, Colusa, CA, Substantial damage. Agitator propeller failed and cut fuel line.

## Other investigations on N5050V (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 LAX82DVG24](https://openairdocs.org/ntsb/LAX82DVG24), May 7, 1982: Boeing A75 (N5050V), Maxwell, CA, substantial damage
- [NTSB OAK70DVG35](https://openairdocs.org/ntsb/OAK70DVG35), Jun 19, 1970: Boeing A75N1 (N5050V), Maxwell, 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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