Aircraft Accident/Incident Report

Ellensburg, Washington 98926
Sunday, May 31, 1987 20:10 PDT

NTSB Narrative Summary Released at Completion of Accident

DESPITE WARNINGS FROM THE FLIGHT SERVICE STATION ABOUT TURBULENCE, HIGH WINDS ALOFT, SEVERE LOW LEVEL WIND SHEAR, AND LOW CEILINGS ALONG THE PILOTS INTENDED ROUTE OF FLIGHT, THE PILOT ELECTED TO DEPART THE AIRPORT FOR HIS DESTINATION. STANDING LENTICULAR ALTOCUMULUS CLOUDS WERE ALSO PRESENT. WITHIN 1/2 HOUR OF DEPARTURE THE AIRCRAFT ENCOUNTERED SEVERE TURBULENCE CAUSING STRUCTURAL DAMAGE TO THE AIRCRAFT. THE PILOT WAS ABLE TO LAND THE AIRCRAFT SAFELY AT A NEARBY AIRPORT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/31/1987
Event Day of the Week Sunday
Time of Event 2010
Event Time Zone Pacific Daylight Time
Event City ELLENSBURG
Event State WASHINGTON
Event Country --
Zipcode of the event site 98926
Event Date Year 1987
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
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 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 2051 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 40
Weather Observation Facility ID EAT
Elevation of weather observation facility 2057
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 15000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 12
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Unknown
Wind Speed (knots) 14
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
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 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) 652
NTSB Notification Source --
NTSB Notification Date May 31 1987 12:00AM
NTSB Notification Time 2055
Fiche Number and/or location -used to find docket information 33820
Date of most recent change to record Dec 13 2000 2:24PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5832M
NTSB Number SEA87LA107
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name AERODYNAMICS .
Aircraft Model HAWK MKII
Aircraft Series Identifier HAWK MKII
Aircraft Serial Number 8411-2
Certified Max Gross Weight 1200
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 --
Airframe hours since last inspection --
Airframe Hours 200
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ROD PEDERSON
Aircraft Owner Street Address 107 EAST UTSALADDY
Aircraft Owner City CAMANO ISLAND
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name ROD PEDERSON
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 107 EAST UTSALADDY
Operator City CAMANO ISLAND
Operator State WA
Operator Country
Operator Zip code 98292
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 EAT
Departure City WENATCHEE
Departure State WA
Departure Country
Departure Time 730
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code S88
Destination City ARLINGTON
Destination State WA
Destination Country
Specific Phase of Flight Cruise
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --