# NTSB MIA79FLA48: Bell 47D1, N908B, Hahira, GA, September 1, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 1, 1979
- Place: Hahira, GA · HAHIRA, GA
- Location: 30.9922° N, 83.3773° W: Placed by OpenAirDocs: center of Hahira, GA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.9922&lon=-83.3773&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 7, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 134115
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA79FLA48
- Page: https://openairdocs.org/ntsb/MIA79FLA48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2465   79/9/1  NR.HAHIRA,GA          BELL 47D1           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 1550
        TIME - 1900                    N908B               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 550 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HAHIRA                      RETURN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                IN FLIGHT: FLAREOUT FOR SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  355                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          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 - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  200                 SWATH RUN-HOW FLOWN - WIND CALM
```

## Aircraft

- Registration: [N908B](https://openairdocs.org/aircraft/N908B), registered now, S/N 479, built 1952 (OpenAirDocs)
- Reported make and model: BELL 47D1
- 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: Destroyed

## 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 19790901023879A](https://openairdocs.org/incident/19790901023879A), Sep 1, 1979: Bell 47D1, Hahira, GA, Substantial damage. Lost control of helicopter due to binding fore and aft power cylinder. Situation called for more pressure by pilot.

## 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 MIA77DKG41](https://openairdocs.org/ntsb/MIA77DKG41), Jul 2, 1977: Bell 47-D1 (N908B), Berlin, GA, substantial damage
- [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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