Aircraft Accident/Incident Report

Kent, Washington 98042
Friday, February 24, 1984 13:55 PST

NTSB Narrative Summary Released at Completion of Accident

AT ABOUT 1345 PST, THE PLT OF A CESSNA 172N, N4603F, DEPARTED CREST AIRPARK, KENT, WA, ON A LOCAL PLEASURE FLT. APRX 5 MIN LATER, THE PLT & 1 PASSENGER OF A FLOAT EQUIPPED CESSNA 180, N4908A, TOOK OFF FROM LAKE MERIDAN, KENT, WA, & WAS ALSO ON A LOCAL PLEASURE FLT. AT ABOUT 1355, THE TWO ACFT COLLIDED IN FLT, THEN PLUNGED TO THE GROUND. A WITNESS, WHO SAW BOTH ACFT JUST PRIOR TO THE IN-FLT COLLISION, ESTIMATED THAT THEY WERE AT ABOUT 500 FT AGL WHEN THEY COLLIDED WITH EACH OTHER. HE STATED THAT ONE APPEARED TO BE ON A SOUTHWESTERLY HEADING WHILE THE OTHER SEEMED TO BE TRAVELING TO THE NORTHWEST. HE DID NOT OBSERVE ANY EVASIVE ACTION BY EITHER PLT & BELIEVED THAT NEITHER PLT SAW THE OTHER ACFT AS THEY WERE CONVERGING. AN EXAM OF THE WRECKAGE REVEALED THAT THE TWO ACFT COLLIDED LEFT WING TO LEFT WING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/24/1984
Event Day of the Week Friday
Time of Event 1355
Event Time Zone Pacific Standard Time
Event City KENT
Event State WASHINGTON
Event Country --
Zipcode of the event site 98042
Event Date Year 1984
Event Date Month 2
MidAir Collision Indicator Yes
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 40000
Lowest Non-Ceiling Height 4000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 11
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
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 3
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 196
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26168
Date of most recent change to record Jan 2 2001 9:15AM
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 N4603F N4908A
NTSB Number SEA84FA060A SEA84FA060B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None None
Flight plan Was Activated? -- --
Damage Destroyed Destroyed
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name CESSNA CESSNA
Aircraft Model 172N 180
Aircraft Series Identifier 172N 180
Aircraft Serial Number 17273066 32305
Certified Max Gross Weight 2300 2550
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 6
Number of Engines 1 1
Fixed gear or retractable gear Fixed Fixed
Aircraft, Type of Last Inspection 100 Hour Annual
Date of Last Inspection Jan 4 1984 12:00AM Jun 3 1983 12:00AM
Airframe hours since last inspection 41 42
Airframe Hours 1694 4831
ELT Installed Yes Yes
ELT Activated Yes Unknown
ELT Aided Location of Event Site No No
ELT Type -- --
Aircraft Owner Name NORMAN C. GRIER VINCENT B. STEPHAN
Aircraft Owner Street Address 32 G. STREET NW 24705 SUMMIT LANDESBURG RD
Aircraft Owner City AUBURN RAVENDALE
Aircraft Owner State WA WA
Aircraft Owner Country
Aircraft Owner Zipcode 98002 98051
Operator is an individual? -- --
Operator Name
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? Yes Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
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 Personal
Second Pilot on Board No No
Departure Point Same as Event Yes Yes
Departure Airport Code S36
Departure City
Departure State
Departure Country
Departure Time 1345 1350
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 Maneuvering Maneuvering
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:36AM Jan 2 2001 10:36AM
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 -- --