NTSB Identification: MIA82DA028
14 CFR Part 91: General Aviation
Accident occurred Saturday, January 02, 1982 in MIAMI, FL
Probable Cause Approval Date: 01/02/1983
Aircraft: SMITH WCS-222 (BELL 47G), registration: N23BS
Injuries: 2 Uninjured.

DURING FLIGHT, THE ENGINE LOST POWER AND FIRE ERUPTED ON THE ENGINE COMPARTMENT. SUBSEQUENTLY, THE ENGINE DRIVEN HYDRAULIC BOOST FOR THE FLIGHT CONTROL SYSTEM BECAME INOPERATIVE. THE PILOT WAS FLYING OVER A POPULATED AREA. DURING HIS FORCED LANDING, HE WAS FORCED TO DIVERT TO A SECOND LANDING SITE WITH A CROSSWIND TO AVOID PERSONNEL AND OBSTRUCTIONS. THE WIND WAS GUSTING TO 12 KNOTS. DURING TOUCHDOWN, THE MAIN ROTOR BLADES FLEXED DOWNWARD AND SEVERED THE TAIL BOOM. THE ENGINE COMPARTMENT FIRE WAS STILL BURNING IN THE VICINITY OF THE AIR CLEANER, BUT WAS EXTINGUISHED WITHOUT FURTHER DAMAGE TO THE AIRCRAFT. AN INVESTIGATION REVEALED THAT A CONNECTING ROD ASSEMBLY HAD FAILED.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CONNECTING ROD..FAILURE,TOTAL


Contributing Factors

ROTORCRAFT FLIGHT CONTROL SYSTEM..INOPERATIVE


Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)


Contributing Factors

WEATHER CONDITION..CROSSWIND


Contributing Factors

WEATHER CONDITION..UNFAVORABLE WIND

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