# NTSB OAK73DVM21: Bell 47G-2, N6727D, Salinas, CA, December 15, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 15, 1972
- Place: Salinas, CA · SALINAS, CA
- Location: 36.6902° N, 121.6338° W: Placed by OpenAirDocs: center of Salinas, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6902&lon=-121.6338&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168843
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73DVM21
- Page: https://openairdocs.org/ntsb/OAK73DVM21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3549  72/12/15   SALINAS,CALIF       BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 49, 9678
        TIME - 1445                    N6727D              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 770 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SALINAS,CALIF               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3000                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC            PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED
          GLOVES - USED                                            GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - AFT OF PILOT
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  80
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- TIP OF ROTOR BLADE STRUCK STANDPIPE WHILE MANEUVERING SPRAYBOOM AROUND STANDPIPE.
```

## Aircraft

- Registration: [N6727D](https://openairdocs.org/deregistered/N6727D-2007-06-08), registration cancelled 2007-06-08, S/N 2226, built 1958 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N6727D (3)

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 LAX86FVD07](https://openairdocs.org/ntsb/LAX86FVD07), Mar 6, 1986: Bell 47G-2 (N6727D), Stockton, CA, destroyed
- [NTSB OAK77DVM12](https://openairdocs.org/ntsb/OAK77DVM12), Apr 6, 1977: Bell 47G2 (N6727D), King City, CA, destroyed
- [NTSB UNK65X0170](https://openairdocs.org/ntsb/UNK65X0170), Oct 6, 1964: Bell 47G2 (N6727D), Monterey, 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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