# NTSB NYC69D0277: Bell 47G-5, N7815S, Rochester, MA, November 23, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 23, 1968
- Place: Rochester, MA · ROCHESTER, MA
- Location: 41.7318° N, 70.8200° W: Placed by OpenAirDocs: center of Rochester, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7318&lon=-70.8200&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 1, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 192069
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC69D0277
- Page: https://openairdocs.org/ntsb/NYC69D0277

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4913  68/11/23   ROCHESTER,MASS      BELL 47G-5          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0745                    N7815S              PX-  0  0  0  AERIAL APPLICATION        AGE 53, 14870 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 7972 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROCHESTER,MASS              ROCHESTER,MASS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
           SYSTEMS - HYDRAULIC SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        EMERGENCY CIRCUMSTANCES - LATERAL CONTROL PROBLEM
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (LIQUID)
          KIND OF CROP - FRUIT ORCHARDS                            TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          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 - SLING LOADED                      TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  53                  SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- CYCLIC LOCKED IN FULL RT POSITION DUE TO FAILURE OF SHAFT TO CYL SERVO VALVE.CRASHED FROM A HOVER.
```

## Aircraft

- Registration: [N7815S](https://openairdocs.org/deregistered/N7815S-1976-08-03), registration cancelled 1976-08-03, S/N 7863 (OpenAirDocs)
- Reported make and model: BELL 47G-5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N7815S (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 FTW67A0107](https://openairdocs.org/ntsb/FTW67A0107), May 10, 1967: Bell 47G-5 (N7815S), Hallsville, TX, 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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