NTSB Identification: NYC88LA178.
The docket is stored on NTSB microfiche number 38062.
Accident occurred Sunday, July 10, 1988 in STATEN ISLAND, NY
Probable Cause Approval Date: 12/29/1989
Aircraft: CHAMPION 7GBC, registration: N7523F
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PILOT STATED THAT AFTER FLYING INTO A THUNDERSTORM HE ENCOUNTERED STRONG TURBULENCE, HEAVY DOWNDRAFTS AND RAIN, WHICH FORCED HIM INTO THE WATER. WHEN HE REALIZED THAT HE WAS GOING DOWN HE DROPPED THE BANNER HE WAS TOWING 'BUT THE AIRPLANE DIDN'T WANT TO KEEP FLYING EVEN THOUGH I HAD FULL POWER.' THE ACFT SANK AFTER ABOUT 10 MINUTES.

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

FLIGHT INTO KNOWN ADVERSE WEATHER..CONTINUED..PILOT IN COMMAND


Contributing Factors

LOAD JETTISON..DELAYED..PILOT IN COMMAND



Contributing Factors

WEATHER CONDITION..THUNDERSTORM


Contributing Factors

WEATHER CONDITION..DOWNDRAFT


Contributing Factors

WEATHER CONDITION..TURBULENCE(THUNDERSTORMS)

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