# NTSB LAX75DUQ22: Bell 47G-2, N919SF, Arroyo Grande, CA, January 25, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 25, 1975
- Place: Arroyo Grande, CA · ARROYO GRANDE, CA
- Location: 35.1241° N, 120.5845° W: Placed by OpenAirDocs: center of Arroyo Grande, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.1241&lon=-120.5845&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 9, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 147980
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75DUQ22
- Page: https://openairdocs.org/ntsb/LAX75DUQ22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0313  75/1/25    ARROYO GRANDE,CA    BELL 47G-2          CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1700                    N919SF              PX-  0  0  0  AERIAL APPLICATION        45, 15000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ARROYO GRANDE,CA            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - DUSTING CROPS
          KIND OF CROP - LETTUCE                                   TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          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 - UNKNOWN/NOT REPORTED              TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  50                  SWATH RUN-HOW FLOWN - UPWIND
        REMARKS- LOST DIR CTL & LND.NO MALFUNCTION FOUND.
```

## Aircraft

- Registration: [N919SF](https://openairdocs.org/deregistered/N919SF-2000-12-28), registration cancelled 2000-12-28, S/N 1695 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Category: Helicopter
- 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 19750125004359A](https://openairdocs.org/incident/19750125004359A), Jan 25, 1975: Bell 47G2, Arroyo Grande, CA, Substantial damage. Lost dir ctl & lnd. No malfunction found.

## Other investigations on N919SF (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 LAX97LA248](https://openairdocs.org/ntsb/LAX97LA248), Jul 21, 1997: Bell 47G-2 (N919SF), Buttonwillow, CA, destroyed. Probable cause: failure of the pilot to maintain adequate clearance from a utility pole (obstruction) during aerial application. The obstruction was a related factor.
- [NTSB LAX93LA021](https://openairdocs.org/ntsb/LAX93LA021), Oct 31, 1992: Bell 47G2 (N919SF), Gonzales, CA, destroyed. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE CLEARANCE FROM THE WIRES.
- [NTSB LAX72FUM17](https://openairdocs.org/ntsb/LAX72FUM17), Jan 1, 1972: Bell 47G-2 (N919SF), Chula Vista, 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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