Havre De Grace Sea Plane Airport
Aircraft Accident/Incident Report

Have De Grace, Maryland 21078
Saturday, April 28, 1990 10:00 EDT

NTSB Narrative Summary Released at Completion of Accident

AFTER LEAVING THE DOCK, THE PILOT STATED THAT HE CHECKED FOR BOAT TRAFFIC IN THE AREA THAT HE WAS GOING TO USE FOR TAKEOFF. HE NOTED THAT MOST OF THE BOATS WERE IN THE 20 FOOT RANGE AND WERE TAVELING IN A NORTH/SOUTH DIRECTION. ABOUT 3 SECONDS INTO HIS TAKEOFF HE OBSERVED A WAKE OF WATER TRAVELING EAST/WEST AND ELECTED TO ABORT THE TAKEOFF. THE AIRCRAFT COLLIDED WITH THE WAKE ABOUT THE TIME IT COMBINED WITH ANOTHER WAKE TRAVELING NORTH/SOUTH WHICH RESULTED IN SUBSTANTIALLY DAMAGING THE A/C.

NTSB Probable Cause Narrative

THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL, AND USED EXCESSIVE BRAKING TRYING TO REGAIN CONTROL.

Event Information

Type of Event Accident
Event Date 4/28/1990
Event Day of the Week Saturday
Time of Event 1000
Event Time Zone Eastern Daylight Time
Event City HAVE DE GRACE
Event State MARYLAND
Event Country --
Zipcode of the event site 21078
Event Date Year 1990
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport HAVRE DE GRACE SEA PLANE
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1000 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 237
Weather Observation Facility ID BWI
Elevation of weather observation facility 146
Distance of event from weather observation facility (units?) 41
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
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) 4
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 160
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 1400
Intensity of Precipitation Unknown
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 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 177
NTSB Notification Source --
NTSB Notification Date Apr 28 1990 12:00AM
NTSB Notification Time 1230
Fiche Number and/or location -used to find docket information 40897
Date of most recent change to record Dec 12 2000 4:53PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1086L
NTSB Number BFO90LA040
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 LAKE
Aircraft Model LA-4-200
Aircraft Series Identifier LA-4-200
Aircraft Serial Number 679
Certified Max Gross Weight 2600
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 7 1989 12:00AM
Airframe hours since last inspection --
Airframe Hours 1116
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SEAWIND AIRWAYS, INC
Aircraft Owner Street Address 309 ST JOHN STREET
Aircraft Owner City HAVRE DE GRACE
Aircraft Owner State MD
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name SEAWIND AIRWAYS, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 309 ST JOHN STREET
Operator City HAVRE DE GRACE
Operator State MD
Operator Country
Operator Zip code 21078
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) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1000
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 22 2001 3:51PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 18
Runway Length 8000
Runway Width 500
Sight Seeing flight Yes
Air Medical Flight No
Medical Flight --