Aircraft Accident/Incident Report

Aleknagik, Alaska 99555
Sunday, October 7, 2012 16:45 AKD

NTSB Narrative Summary Released at Completion of Accident

The pilot of the twin-engine seaplane was en route to a remote lake to pick up passengers. A passenger who was awaiting pickup witnessed the accident and said that when the airplane arrived in the area, it made multiple passes over the lake and island where he was waiting. After the third pass, the airplane came into view very low over the water. The airplane banked to the left, and the left wing float struck the water. The airplane veered sharply to the left, bounced, and cartwheeled three times. The airplane came to rest, partially submerged, with its high-mounted wings level with the surface of the water. The witness was unable to reach the airplane due to the icy water, and the airplane subsequently sank in the lake and was not recovered. The witness did not see the pilot. The witness reported that the weather conditions at the time of the accident consisted of calm wind, low clouds, light rain, and fog restricting the visibility. He further described the water as glassy. It is likely that, due to visibility and water conditions, the pilot misjudged the height above the surface of the lake during a low pass, resulting in the left wing float inadvertently contacting the surface of the lake.

NTSB Probable Cause Narrative

The pilot's decision to make multiple low passes over the glassy surface water, which resulted in an impact with the surface of the lake.

Event Information

Type of Event Accident
Event Date 10/7/2012
Event Day of the Week Sunday
Time of Event 1645
Event Time Zone --
Event City Aleknagik
Event State ALASKA
Event Country --
Zipcode of the event site 99555
Event Date Year 2012
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 595820N
Event Location Longitude 1582101W
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Witness
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 1
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator Calm
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 31671
NTSB Notification Source FAA Anchorage, ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Aug 2 2013 11:36AM
User who most recently changed record stam
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N139F
NTSB Number ANC13FA001
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN
Aircraft Model G-44
Aircraft Series Identifier --
Aircraft Serial Number 1375
Certified Max Gross Weight 4500
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats 2
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 5
Number of Engines 2
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name WIDGEON ENTERPRISES LLC
Aircraft Owner Street Address --
Aircraft Owner City KENT
Aircraft Owner State WA
Aircraft Owner Country USA
Aircraft Owner Zipcode 98042-5111
Operator is an individual? No
Operator Name FRESH WATER ADVENTURES INC
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Dillingham
Operator State AK
Operator Country USA
Operator Zip code 99576
Operator Code BPMC
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number BPMC382T
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Positioning
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code --
Departure City Dillingham
Departure State AK
Departure Country USA
Departure Time --
Departure Time Zone --
Destination Same as Local Flt --
Destination Airport Code --
Destination City Tikchik Lake
Destination State AK
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 2 2013 11:36AM
User who most recently changed record stam
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --