NTSB Identification: NYC84FA202.
The docket is stored on NTSB microfiche number 25591.
Accident occurred Sunday, May 20, 1984 in GEORGETOWN, DE
Aircraft: BELL 206B, registration: N75SP
Injuries: 1 Serious,1 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

AFTER PERFORMING POLICE PATROL ACTIVITIES, THE AIRCREW LANDED, REFUELED THE HELICOPTER, THEN TOOK OFF TO PRACTICE AUTOROTATIVE LANDINGS. TWO AUTOROTATIVE LANDINGS WERE MADE ON RWY 22, THEN 2 MORE WERE MADE ON AN ADJACENT GRASS AREA. AFTER THE 2ND LANDING ON THE GRASS, THE PLT STARTED TO TAKE OFF AGAIN. HE STATED THE HELICOPTER WAS TRAVELING LEVEL ALONG THE GROUND WITH VERY LITTLE WEIGHT ON THE SKIDS AT A SPEED OF 5 TO 10 MPH. HE THEN SAW A DRAINAGE DITCH, SURROUNDED BY HI GRASS, ABOUT 10 FT AHEAD. HE APPLIED POWER & INCREASED THE COLLECTIVE TO CLEAR THE DITCH. REPORTEDLY, THE SOUNDS OF THE ENG INCREASED; HOWEVER, THE HELICOPTER STARTED TO ROLL & YAW TO THE RIGHT. ALSO, THE POWER WAS REPORTEDLY REDUCED TO CORRECT THE YAW, BUT THE HELICOPTER'S RIGHT SKID CONTACTED THE TURF, THE ACFT ROLLED TO THE RIGHT & THE MAIN ROTORS CONTACTED THE GROUND. AN EXAM OF THE ENG & AIRFRAME WERE MADE, BUT NO PRE-CRASH, MECHANICAL FAILURE OR MALFUNCTION WAS FOUND.

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..SELECTED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..HIGH VEGETATION


Contributing Factors

TERRAIN CONDITION..HIDDEN OBSTRUCTION(S)


Contributing Factors

TERRAIN CONDITION..DITCH

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