Kenmore Air Harbor Airport
Aircraft Accident/Incident Report

Seattle, Washington 98011
Saturday, April 5, 1986 14:30 PST

NTSB Narrative Summary Released at Completion of Accident

N99034 DEPARTED KENMORE AIR HARBOR ON A SHORT LOCAL SOLO FLIGHT. WITNESSES REPORTED OBSERVING THE AIRCRAFT TAKEOFF AND INITIATE A CLIMB TO THE SOUTH. N65783 WAS RETURNING FROM A RECURRENCY CHECK FLIGHT AND WAS APPROACHING FROM A SOUTHERLY DIRECTION IN A CLIMB HAVING JUST COMPLETED A TOUCH AND GO LANDING. BOTH AIRCRAFT WERE APPROXIMATELY 200 FEET MSL AT THE TIME OF THE COLLISION. THE RIGHT WING FROM N99034 SEPARATED IN AN AFTWARDS FASHION UPON IMPACT WITH THE RIGHT FLOAT OF N65783. A 49 INCH SECTION OF OUTBOARD RIGHT WING FROM N65783 SEPARATED DURING ITS PENETRATION INTO THE COCKPIT OF N99034. NUMEROUS BOATS WERE OBSERVED ON THE LAKE SURFACE AND CLEAR SUNNY METEOROLOGICAL CONDITIONS PREVAILED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/5/1986
Event Day of the Week Saturday
Time of Event 1430
Event Time Zone Pacific Standard Time
Event City SEATTLE
Event State WASHINGTON
Event Country --
Zipcode of the event site 98011
Event Date Year 1986
Event Date Month 4
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport KENMORE AIR HARBOR
Event Location Nearest Airport ID S60
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 14
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1445 Pacific Standard Time
Direction of event from weather observation facility (degrees) 330
Weather Observation Facility ID PAE
Elevation of weather observation facility 603
Distance of event from weather observation facility (units?) 10
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 2000
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) 40
Air Temperature at event time (in degrees celsius) 13
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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 4
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 410
NTSB Notification Source --
NTSB Notification Date Apr 5 1986 12:00AM
NTSB Notification Time 1450
Fiche Number and/or location -used to find docket information 30560
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N99034 N65783
NTSB Number SEA86FA092A SEA86FA092B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed Company VFR Company VFR
Flight plan Was Activated? -- --
Damage Destroyed Destroyed
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name CESSNA CESSNA
Aircraft Model 172P 172P
Aircraft Series Identifier 172P 172P
Aircraft Serial Number 17276394 17275883
Certified Max Gross Weight 2400 2400
Aircraft Category Airplane Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 4 4
Number of Engines 1 1
Fixed gear or retractable gear Fixed Fixed
Aircraft, Type of Last Inspection Annual 100 Hour
Date of Last Inspection Mar 4 1986 12:00AM Mar 31 1986 12:00AM
Airframe hours since last inspection 66 15
Airframe Hours 554 1734
ELT Installed Yes Yes
ELT Activated Yes Unknown
ELT Aided Location of Event Site No 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 KENMORE AIR HARBOR KENMORE AIR HARBOR
Operator Same as Owner? No No
Operator Is Doing Business As -- --
Operator Address Same as Owner? No No
Operator Street Address P.O.BOX 64 P.O.BOX 64
Operator City KENMORE KENMORE
Operator State WA WA
Operator Country
Operator Zip code 98028 98028
Operator Code GJRA GJRA
Owner has at least one certificate Yes - certificate holder Yes - certificate holder
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation Unknown 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 Instructional
Second Pilot on Board No Yes
Departure Point Same as Event Yes Yes
Departure Airport Code S60 S60
Departure City SEATTLE SEATTLE
Departure State WA WA
Departure Country
Departure Time 1425 1400
Departure Time Zone PST PST
Destination Same as Local Flt dest & departure same, accident can occur anywhere dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent Descent
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:36AM Jan 2 2001 10:30AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 0 0
Runway Length -- --
Runway Width -- --
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --