# NTSB MIA77DKG41: Bell 47-D1, N908B, Berlin, GA, July 2, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 2, 1977
- Place: Berlin, GA · BERLIN, GA
- Location: 31.0681° N, 83.6233° W: Placed by OpenAirDocs: center of Berlin, GA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.0681&lon=-83.6233&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 12, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147277
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA77DKG41
- Page: https://openairdocs.org/ntsb/MIA77DKG41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2568   77/7/2  NR.BERLIN,GA          BELL 47-D1          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 52, 18800
        TIME - 0900                    N908B               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 160 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BERLIN,GA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: EN ROUTE TO TREAT CROP
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - MISCELLANEOUS EQUIPMENT: SPRAY,DUSTING EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - LATERAL IMBALANCE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  LATERAL CONTROL PROBLEM
                                  DIRECTIONAL CONTROL PROBLEM
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - FERRY
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  200                 SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- SIMPLEX P/N3630224 FAILED.
```

## Aircraft

- Registration: [N908B](https://openairdocs.org/aircraft/N908B), registered now, S/N 479, built 1952 (OpenAirDocs)
- Reported make and model: BELL 47-D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (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 19770702017889A](https://openairdocs.org/incident/19770702017889A), Jul 2, 1977: Bell 47D1, Berlin, GA, Substantial damage. Simplex P/N3630224 failed.

## Other investigations on N908B (7)

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 ATL97LA121](https://openairdocs.org/ntsb/ATL97LA121), Aug 11, 1997: Bell 47-D1 (N908B), Holcomb, MS, substantial damage. Probable cause: The failure of the pilot to adequately see and avoid all obstructions while doing aerial application work.
- [NTSB ATL94LA172](https://openairdocs.org/ntsb/ATL94LA172), Sep 13, 1994: Bell 47D1 Wasp (N908B), Hazel Green, AL, substantial damage. Probable cause: UNDETERMINED.
- [NTSB ATL89DLT03](https://openairdocs.org/ntsb/ATL89DLT03), May 12, 1989: Bell 47 (N908B), Shelbyville, TN, substantial damage. Probable cause: FAILURE IN THE ROTOR DRIVE SYSTEM FOR UNKNOWN REASONS. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S INABILITY TO PERFORM AN AUTOROTATION.
- [NTSB ATL87LA204](https://openairdocs.org/ntsb/ATL87LA204), Jul 8, 1987: Bell 47D1 (N908B), Huntsville, AL, substantial damage
- [NTSB MIA79FLA48](https://openairdocs.org/ntsb/MIA79FLA48), Sep 1, 1979: Bell 47D1 (N908B), Hahira, GA, destroyed
- [NTSB MKC76DCQ57](https://openairdocs.org/ntsb/MKC76DCQ57), Jun 4, 1976: Bell 47D-1 (N908B), Sublette, KS, substantial damage
- [NTSB MIA72FLG08](https://openairdocs.org/ntsb/MIA72FLG08), Aug 14, 1971: Bell 47D-1 (N908B), Cheraw, SC, 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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