Seaside Municipal Airport
Aircraft Accident/Incident Report

Seaside, Oregon 97138
Tuesady, May 11, 1993 15:39 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT ENTERED THE AIRPORT TRAFFIC PATTERN AND INITIATED AN APPROACH TO RUNWAY 16. A WITNESS MOWING GRASS NEAR THE THRESHOLD TO RUNWAY 16 REPORTED THE WINDSOCK 'SHOWING A STRONG STEADY WIND FROM THE NORTH' AND NORTHERLY WINDS WERE CONFIRMED BY A WITNESS AT THE AIRPORT'S SOUTH END. WINDS AT NEARBY COASTAL AIRPORTS WERE CONSISTENTLY FROM THE NORTHWEST AT 12 TO 21 KNOTS DURING THE AFTERNOON OF THE ACCIDENT. THE FIRST WITNESS ALSO REPORTED OBSERVING THE AIRCRAFT FLARE 4 OR 5 TIMES IN THE LENGTH OF THE RUNWAY BEFORE IMPACTING THE ROAD.

NTSB Probable Cause Narrative

THE PILOT IN COMMAND'S DELAYING THE GO AROUND. FACTORS CONTRIBUTING TO THE ACCIDENT WERE TAILWINDS AND THE PILOT IN COMMAND'S MISJUDGEMENT OF WIND INFORMATION.

Event Information

Type of Event Accident
Event Date 5/11/1993
Event Day of the Week Tuesday
Time of Event 1539
Event Time Zone Pacific Daylight Time
Event City SEASIDE
Event State OREGON
Event Country --
Zipcode of the event site 97138
Event Date Year 1993
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SEASIDE MUNICIPAL
Event Location Nearest Airport ID 56S
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 6
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1556 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 350
Weather Observation Facility ID AST
Elevation of weather observation facility 11
Distance of event from weather observation facility (units?) 9
Time Zone of the weather observation PDT
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) 10
Air Temperature at event time (in degrees celsius) 14
Dew Point at event time (in degress fahrenheit) 10
Wind Direction (degrees magnetic) 310
Variable Wind Indicator Unknown
Wind Speed (knots) 21
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 27
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 4
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 157
NTSB Notification Source --
NTSB Notification Date May 11 1993 12:00AM
NTSB Notification Time 1629
Fiche Number and/or location -used to find docket information 50504
Date of most recent change to record Dec 11 2000 1:20PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N435BW
NTSB Number SEA93LA104
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 BEECH
Aircraft Model A36
Aircraft Series Identifier A36
Aircraft Serial Number E-811
Certified Max Gross Weight 3600
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 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 8 1993 12:00AM
Airframe hours since last inspection 19
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name THEODORSON, ROBERT & DOROTHY
Aircraft Owner Street Address 4367 SUNLAND STREET SE
Aircraft Owner City SALEM
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97302
Operator is an individual? --
Operator Name THEODORSON, ROBERT & DOROTHY
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 4367 SUNLAND STREET SE
Operator City SALEM
Operator State OR
Operator Country
Operator Zip code 97302
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 No
Departure Airport Code SLE
Departure City SALEM
Departure State OR
Departure Country
Departure Time 1500
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 16
Runway Length 2357
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --