Brennand's Seaplane Base Airport
Aircraft Accident/Incident Report

Oshkosh, Wisconsin 54901
Thursday, July 30, 1992 16:50 CDT

NTSB Narrative Summary Released at Completion of Accident

WAVES ON THE LAKE WERE RUNNING TWO TO THREE FEET WHEN THE PILOT OF THE AMPHIBIAN AIRPLANE ATTEMPTED TO LAND. THE AIRPLANE PORPOISED ON INITIAL TOUCHDOWN AND THE PORPOISING CONTINUED WITH EACH BOUNCE BECOMING MORE SEVERE. THE LAST ENTRY INTO THE WATER WAS ON THE NOSE OF THE AIRPLANE. THE BOW OF THE HULL COLLAPSED AFT, THE AIRPLANE INVERTED, AND BEGAN TO SINK. THE OWNERS MANUAL STATED, 'NOTE THAT THE TEAL IS FAA APPROVED FOR OPERATION IN 12 INCH WAVES.'

NTSB Probable Cause Narrative

THE PILOT-IN-COMMAND'S NOT FOLLOWING PROCEDURES/DIRECTIVES.

Event Information

Type of Event Accident
Event Date 7/30/1992
Event Day of the Week Thursday
Time of Event 1650
Event Time Zone Central Daylight Time
Event City OSHKOSH
Event State WISCONSIN
Event Country --
Zipcode of the event site 54901
Event Date Year 1992
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport BRENNAND'S SEAPLANE BASE
Event Location Nearest Airport ID NONE
Indicates whether the acc/inc occurred off or on an airport On 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 1700 Central Daylight Time
Direction of event from weather observation facility (degrees) 330
Weather Observation Facility ID OSH
Elevation of weather observation facility 808
Distance of event from weather observation facility (units?) 5
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 20000
Lowest Non-Ceiling Height 20000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 110
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
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) 507
NTSB Notification Source --
NTSB Notification Date Jul 30 1992 12:00AM
NTSB Notification Time 1715
Fiche Number and/or location -used to find docket information 47886
Date of most recent change to record Dec 11 2000 3:04PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N76TJ
NTSB Number CHI92FA219
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Teal
Aircraft Model TSC-1A2
Aircraft Series Identifier TSC-1A2
Aircraft Serial Number 038
Certified Max Gross Weight 2200
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 15 1991 12:00AM
Airframe hours since last inspection 50
Airframe Hours 414
ELT Installed Yes
ELT Activated No
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? --
Operator Name GILFOIL, JOHN H.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 13470 CARILLO LANE
Operator City LOS ALTOS HILLS
Operator State CA
Operator Country
Operator Zip code 94022
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1645
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
Destination Airport Code NONE
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
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 --