NTSB Identification: CHI87FA162.
The docket is stored on NTSB microfiche number 35042.
Accident occurred Sunday, July 12, 1987 in NEW BRIGHTON, MN
Probable Cause Approval Date: 08/13/1988
Aircraft: CESSNA 180, registration: N5027E
Injuries: 5 Fatal.
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.
WITNESSES OBSERVED THE FLOATPLANE START A CLIMBING LEFT TURN SHORTLY AFTER BECOMING AIRBORNE FROM A WATER TAKEOFF. THE AIRCRAFT'S RIGHT WING DROPPED AND THE AIRCRAFT DOVE INTO THE WATER WHERE IT STRUCK THE SURFACE RIGHT WING FIRST, FLIPPED INVERTED AND SANK. THE AIRCRAFT CAME TO REST SUBMERGED AND SUSPENDED UPSIDE DOWN FROM THE FLOATS WHICH REMAINED ON THE SURFACE. ALL FIVE OCCUPANTS DIED BY DROWNING IN THE AIRPLANE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRCRAFT PERFORMANCE,CLIMB CAPABILITY..EXCEEDED
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRSPEED(VS)..NOT MAINTAINED..PILOT IN COMMAND
MISC EQPT/FURNISHINGS,LIFEVEST..NOT INSTALLED
OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND
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