NTSB Identification: ANC86FA114.
The docket is stored on NTSB microfiche number 31568.
Accident occurred Sunday, July 27, 1986 in WASILLA, AK
Aircraft: INTERSTATE S-1B2, registration: N51AA
Injuries: 2 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 RPRTD THAT IMMEDIATELY AFTER TAKING OFF FROM THE WASILLA LAKE SEAPLANE BASE, THE ACFT ENTERED A STEEP CLIMBING TURN. SHORTLY THEREAFTER, IT ENTERED A STEEP DSCNT & CRASH INTO THE WATER. THERE WAS EVIDENCE THAT THE ACFT ENTERED A STALL/SPIN PRIOR TO CRASHING. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. BOTH OCCUPANTS SUFFERED MULTIPLE IMPACT INJURIES, BUT ACCORDING TO A POST-ACCIDENT MEDICAL EXAM, BOTH OCCUPANTS DIED FROM DROWNING.

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

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

STALL/SPIN..INADVERTENT..PILOT IN COMMAND



Contributing Factors

PROPER CLIMB RATE..EXCEEDED..PILOT IN COMMAND


Contributing Factors

LACK OF TOTAL EXPERIENCE..PILOT IN COMMAND

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