Corona Airport
Aircraft Accident/Incident Report

Corona, California 91720
Sunday, March 2, 1986 7:30 PST

NTSB Narrative Summary Released at Completion of Accident

THE PLT STATED HE WAS 'RUNNING UP THE ENGINE' AFTER MAKING SOME ADJUSTMENTS. THE HELICOPTER WAS TIED DOWN WHEN THE PLT LIFTED OFF TO A 5 TO 6 FT HOVER. THE HELICOPTER TIPPED TO THE RIGHT, THE MAIN ROTOR BLADES CONTACTED THE TERRAIN AND THE HELICOPTER ROLLED OVER. THE PLT EXITED THE ACFT WHICH WAS SUBSEQUENTLY DESTROYED BY A FIRE ORIGINATING FROM THE ENGINE COMPARTMENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 3/2/1986
Event Day of the Week Sunday
Time of Event 730
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 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport CORONA
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 1000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Thin Overcast
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 1
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
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 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 FAA
NTSB Docket Number (internal use) 585
NTSB Notification Source --
NTSB Notification Date Mar 2 1986 12:00AM
NTSB Notification Time 800
Fiche Number and/or location -used to find docket information 30862
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 Registration Number NONE
NTSB Number LAX86FUG04
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name ROTORWAY
Aircraft Model SCORPION 133
Aircraft Series Identifier SCORPION 1
Aircraft Serial Number KIT #1557
Certified Max Gross Weight --
Aircraft Category Helicopter
Aircraft Registration Class Not Registered
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WILLIAM C. SAFRANEK
Aircraft Owner Street Address P.O. BOX 94
Aircraft Owner City RIMFOREST
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92378
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 Yes
Departure Airport Code L66
Departure City CORONA
Departure State CA
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Hover
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --