Summary
On June 04, 1994, a Hiller FH1100 (N746FH) was involved in an incident near Tyonek, AK. All 4 people aboard were uninjured. The aircraft sustained substantial damage.
The National Transportation Safety Board determined the probable cause of this incident to be: THE PILOT'S SELECTION OF UNSUITABLE TERRAIN FOR LANDING WHICH RESULTED IN A DYNAMIC ROLLOVER. A FACTOR WAS THE SOFT LANDING AREA SELECTED.
On June 3, 1994, at 2030 Alaska daylight time, a Hiller FH- 1100 helicopter, N746FH, rolled onto its side, into the water after landing on a river bank located on the Theodore River near Beluga, Alaska. The personal flight was conducted under 14 CFR 91 in visual meteorological conditions. The flight departed from Lake Hood with a stop at Alexander Creek. No flight plan was filed. The Pilot-in-Command and all three passengers were uninjured and the aircraft was substantially damaged.
According to the Pilot-in-Command, he reduced collective to flat pitch after landing on the river bank and the river bank "sloughed off" under the right skid. He stated the helicopter rolled onto its side and he did not have enough control to counter the roll.
This incident is documented in NTSB report ANC94LA064. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N746FH.
Accident Details
Probable Cause and Findings
THE PILOT'S SELECTION OF UNSUITABLE TERRAIN FOR LANDING WHICH RESULTED IN A DYNAMIC ROLLOVER. A FACTOR WAS THE SOFT LANDING AREA SELECTED.
Aircraft Information
Registered Owner (Historical)
Analysis
On June 3, 1994, at 2030 Alaska daylight time, a Hiller FH- 1100 helicopter, N746FH, rolled onto its side, into the water after landing on a river bank located on the Theodore River near Beluga, Alaska. The personal flight was conducted under 14 CFR 91 in visual meteorological conditions. The flight departed from Lake Hood with a stop at Alexander Creek. No flight plan was filed. The Pilot-in-Command and all three passengers were uninjured and the aircraft was substantially damaged.
According to the Pilot-in-Command, he reduced collective to flat pitch after landing on the river bank and the river bank "sloughed off" under the right skid. He stated the helicopter rolled onto its side and he did not have enough control to counter the roll.
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# ANC94LA064