Vermillion Lake Airport
Aircraft Accident/Incident Report

Tower, Minnesota 55790
Saturday, July 17, 1999 19:30 CDT

NTSB Narrative Summary Released at Completion of Accident

The seaplane was struck by a powerboat shortly after the plane landed on the lake. A private pilot witness said the boat was on the right side of the aircraft travelling 35-40 mph. The witness said the boat turned at the last moment and hit the right float of the plane.

NTSB Probable Cause Narrative

failure of the operator of the boat to maintain clearance with the floatplane.

Event Information

Type of Event Accident
Event Date 7/17/1999
Event Day of the Week Saturday
Time of Event 1930
Event Time Zone Central Daylight Time
Event City TOWER
Event State MINNESOTA
Event Country --
Zipcode of the event site 55790
Event Date Year 1999
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport Vermillion Lake
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1857 Central Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID CQM
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 20
Dew Point at event time (in degress fahrenheit) 16
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 4
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.09
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 11657
NTSB Notification Source --
NTSB Notification Date Jul 23 1999 12:00AM
NTSB Notification Time 1630
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record May 21 2002 10:26AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4636B
NTSB Number CHI99LA259
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model 180
Aircraft Series Identifier 180
Aircraft Serial Number 31534
Certified Max Gross Weight 2550
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 12 1999 12:00AM
Airframe hours since last inspection 2
Airframe Hours 3836
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name --
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country --
Aircraft Owner Zipcode --
Operator is an individual? No
Operator Name 36-BRAVO, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 5000 MINNESOTA AVE.
Operator City DULUTH
Operator State MN
Operator Country --
Operator Zip code 55802
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code --
Departure City Tower
Departure State MN
Departure Country --
Departure Time 0
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
Destination Airport Code --
Destination City TOWER
Destination State MN
Destination Country USA
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred Yes
Date of most recent change to record Apr 30 2002 7:51AM
User who most recently changed record SULP
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --