Corona Muni. Airport
Aircraft Accident/Incident Report

Corona, California 91720
Saturday, November 15, 1986 15:15 PST

NTSB Narrative Summary Released at Completion of Accident

THE PLT OF N621SR SAID THAT AS HE ENTERED THE PATTERN DOWNWIND HE SAW ONLY ONE LOW WING ACFT WHICH WAS JUST TURNING FINAL FOR RWY 25. ON SHORT FINAL THE PLT SAID HE NOTICED THE WING AND COCKPIT OF THE OTHER ACFT IN HIS LEFT SIDE PERIPHIAL VISION ONE SECOND PRIOR TO THE COLLISION. THE PLT OF N80579 SAID THAT HE ENTERED THE PATTERN BEHIND A PA28 ACFT, AND, AS HE TURNED FINAL, HE NOTICED THAT THE SPEED DIFFERENCE BETWEEN HIS ACFT AND THE PA28 WAS ERRODING THE SPACING TO THE POINT THAT HE ELECTED TO DO A 360 DEGREE TURN ON FINAL TO ALLOW THE PA28 TIME TO LAND. ON SHORT FINAL THE PLT FELT A VIOLENT JERK AND THEN SAW THE BOEING PROP CHEWING INTO HIS RIGHT WING. THE PLT OF N621SR SAID HE WAS MONITORING THE UNICOM, BUT DID NOT MAKE ANY POSITION REPORTS. THE PLT OF N80579 SAID HE MADE '5 OR 6' POSITION REPORTS, INCLUDING ONE DURING THE 360 TURN, BUT HEARD NONE FROM THE BOEING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/15/1986
Event Day of the Week Saturday
Time of Event 1515
Event Time Zone Pacific Standard Time
Event City CORONA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 91720
Event Date Year 1986
Event Date Month 11
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport CORONA MUNI.
Event Location Nearest Airport ID L66
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 533
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1446 Pacific Standard Time
Direction of event from weather observation facility (degrees) 330
Weather Observation Facility ID CNO
Elevation of weather observation facility 650
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 8000
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) 15
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 12
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 Serious
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 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2733
NTSB Notification Source --
NTSB Notification Date Nov 15 1986 12:00AM
NTSB Notification Time 1545
Fiche Number and/or location -used to find docket information 34745
Date of most recent change to record Dec 13 2000 5:17PM
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 N621SR N80579
NTSB Number LAX87FA040A LAX87FA040B
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 Substantial Substantial
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name BOEING GLOBE
Aircraft Model A75N1 GC-1A
Aircraft Series Identifier A75N1 GC-1A
Aircraft Serial Number 753092 82
Certified Max Gross Weight 2980 1570
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 2 2
Number of Engines 1 1
Fixed gear or retractable gear Fixed Retractable
Aircraft, Type of Last Inspection Annual Annual
Date of Last Inspection Oct 24 1986 12:00AM Nov 3 1986 12:00AM
Airframe hours since last inspection 8 7
Airframe Hours 6707 1771
ELT Installed Yes Yes
ELT Activated Yes Yes
ELT Aided Location of Event Site No No
ELT Type -- --
Aircraft Owner Name FOLSTAD, HARTLEY I JAMES L DUFFIN
Aircraft Owner Street Address 1987 E. BRAEBURN ROAD 484 EWE CREEK ROAD
Aircraft Owner City ALTADENA GRANTS PASS
Aircraft Owner State CA OR
Aircraft Owner Country
Aircraft Owner Zipcode 91001 97526
Operator is an individual? -- --
Operator Name HARTLEY I. FOLSTAD MAYA, ARYE
Operator Same as Owner? No No
Operator Is Doing Business As -- --
Operator Address Same as Owner? No No
Operator Street Address 1987 E. BRAEBURN ROAD 9713 MAPLE STREET
Operator City ALTADENA BELL FLOWER
Operator State CA CA
Operator Country
Operator Zip code 91001
Operator Code
Owner has at least one certificate None None
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 Yes No
Departure Point Same as Event No No
Departure Airport Code CNO HMT
Departure City CHINO HEMET
Departure State CA CA
Departure Country
Departure Time 1445 1450
Departure Time Zone PST PST
Destination Same as Local Flt crash at destination city --
Destination Airport Code L66 L66
Destination City CORONA
Destination State CA
Destination Country
Specific Phase of Flight Approach Approach
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:30AM Jan 2 2001 10:36AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 25 25
Runway Length 3200 3200
Runway Width 60 60
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --