Corona Municipal Airport
Aircraft Accident/Incident Report

Corona, California 91720
Thursday, December 20, 1984 11:30 PST

NTSB Narrative Summary Released at Completion of Accident

DURING MAINT OF THE ENG, & JUST BEFORE THE ANNUAL INSPECTION WAS SIGNED OFF, SOMEONE PARTIALLY LOOSENED & THEN ATTEMPTED TO TIGHTEN THE BOLT SECURING THE CRANKSHAFT GEAR TO THE CRANKSHAFT. THE OLD LOCKPLATE WAS NOT REPLACED & WAS NOT PROPERLY SECURED ABOUT THE BOLT. AS A RESULT OF A LOOSE BOLT THE DOWEL PIN, ALIGNING THE GEAR WITH THE CRANKSHAFT, THE GEAR SHIFTED POSITION & THE ENGINE STOPPED. THE PLT FAILED TO LOWER THE WING FLAPS, & STRUCK A DIRT DITCH SHORT OF HIS INTENDED EMERG LANDING SITE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/20/1984
Event Day of the Week Thursday
Time of Event 1130
Event Time Zone Pacific Standard Time
Event City CORONA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 91720
Event Date Year 1984
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport CORONA MUNICIPAL
Event Location Nearest Airport ID L66
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 2
Degrees magnetic from airport 223
Airport Elevation 533
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1145 Pacific Standard Time
Direction of event from weather observation facility (degrees) 340
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 2500
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) 20
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) 30
Density Altitude (feet) 0
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 --
Injury Total Serious 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 3159
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 27268
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 Registration Number N74463
NTSB Number LAX85FA078
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN
Aircraft Model AA-5B
Aircraft Series Identifier AA-5B
Aircraft Serial Number AA5B-0236
Certified Max Gross Weight 2400
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Feb 1 1984 12:00AM
Airframe hours since last inspection 58
Airframe Hours 1252
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HOWARD STANLEY GOLDMAN
Aircraft Owner Street Address 13086 KERRY AVE.
Aircraft Owner City GARDEN GROVE
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92641
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 No
Departure Airport Code L66
Departure City CORONA
Departure State CA
Departure Country
Departure Time 1129
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code FUL
Destination City FULLERTON
Destination State CA
Destination Country
Specific Phase of Flight Landing
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 25
Runway Length 3200
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --