NTSB Identification: MKC82DA135
14 CFR Part 91: General Aviation
Accident occurred Saturday, July 31, 1982 in CHESTERFIELD, MO
Probable Cause Approval Date: 07/31/1983
Aircraft: BELL 47J-2, registration: N4070B
Injuries: 4 Uninjured.

THE PILOT STATED THAT HE TOOK OFF AND WAS GOING THROUGH TRANSLATIONAL LIFT AT ABOUT 15 TO 20 FT AGL WHEN HE HEARD A LOUD BANG. HE SAID THE LOUD BANG WAS ACCOMPANIED BY A POWER LOSS. AN IMMEDIATE DESCENT WAS MADE AND THE HELICOPTER WAS LANDED HARD WITH A FORWARD SPEED OF ABOUT 30 KTS. THE PILOT REPORTED THAT DURING THE LANDING, THE TAIL BOOM WAS CHOPPED OFF AND THE RIGHT SKID COLLAPSED WHEN THE HELICOPTER SKIDDED THOUGH A DITCH. THE ENGINE WAS STILL RUNNING AFTER LANDING. AN EXAMINATION OF THE ENGINE REVEALED NO PREIMPACT DEFICIENCIES.

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

REASON FOR OCCURRENCE UNDETERMINED



Contributing Factors

TERRAIN CONDITION

Index for Jul1982 | Index of months