# NTSB MIA79FLD24: Sikorsky S-55B, N6489, Haines, FL, December 19, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 19, 1978
- Place: Haines, FL · HAINES, FL
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 5, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139225
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA79FLD24
- Page: https://openairdocs.org/ntsb/MIA79FLD24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3639  78/12/19 NR.HAINES,FL          SIKORSKY S-55B      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 32, 1500
        TIME - 1220                    N6489               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PREPARED LDG AREA           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: PULLUP FROM SWATH RUN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1800                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - FRUIT ORCHARDS                            TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          SWATH RUN-HOW FLOWN - UPWIND                                           DENSE WITH TREES
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- FWD TRANSMISSION SUPPORT MOUNT FAILED,P/N S-14-20-4603-11.
```

## Aircraft

- Registration: [N6489](https://openairdocs.org/deregistered/N6489-2013-08-13), registration cancelled 2013-08-13, S/N 55270, built 1951 (OpenAirDocs)
- Reported make and model: SIKORSKY S-55B
- Registry model: [Sikorsky S-55B](https://openairdocs.org/model/sikorsky-s-55b) (registry code 8141604) (OpenAirDocs)
- Registry engine: [Wright C7BA series](https://openairdocs.org/engine/wright-c7ba-series) (registry code 67017, 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 19781219039969A](https://openairdocs.org/incident/19781219039969A), Dec 19, 1978: Orlhel H19ASKRSKY, Haines, FL, Substantial damage. Fwd transmission support mount failed,p/n S-14-20-4603-11.

## Other investigations on N6489 (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 ATL88DKG08](https://openairdocs.org/ntsb/ATL88DKG08), Jun 16, 1988: Sikorsky S-55B (N6489), Valdosta, GA, 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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