Aircraft Accident/Incident Report

Avalon, California 90704
Saturday, May 2, 1992 16:23 PDT

NTSB Narrative Summary Released at Completion of Accident

FLIGHT WAS RECEIVING VFR FLIGHT FOLLOWING THRU THE LOS ANGELES TCA. AT ABOUT 1620, FLIGHT WAS HANDED OFF TO ANOTHER SECTOR CONTROLLER AND GIVEN A FREQ CHANGE. THE PILOT ACKNOWLEDGED. HE DID NOT CONTACT THE NEW SECTOR CONTROLLER, AND NO FURTHER RADIO COMMUNICATIONS WERE NOTED. RECORDED RADAR DATA SHOWS THAT THE AIRCRAFT MAINTAINED A STRAIGHT GROUND TRACK AT 5,500 FT DURING THE HANDOFF AND FREQ CHANGE ASSIGNMENT. AT 1622:37, THE ALTITUDE CHANGED TO 5,300 FT. DURING THE NEXT 18 SECONDS THE ALTITUDE DECREASED TO 3,100 FT AT AN AVERAGE RATE OF DESCENT OF ABOUT 7,000 FPM. THE LAST RECORDED RADAR POSITION IS OVER THE PACIFIC OCEAN MID CHANNEL BETWEEN THE MAINLAND AND CATALINA ISLAND. THERE WERE NO KNOWN MAINTENANCE DISCREPANCIES AGAINST THE AIRCRAFT, AND THE AIRCRAFT IS ESTIMATED TO HAVE HAD ABOUT 34 GALS OF FUEL ON BOARD. THE PILOT HAD BEEN INVOLVED IN AN AUTOMOBILE ACCIDENT 1 WEEK EARLIER; HE HAD REPORTEDLY FELL ASLEEP WHILE DRIVING. HE ALSO REPORTEDLY HAD 'VERY BAD BRUISES ON HIS BODY IN THE AREA OF THE SEAT BELT AND SHOULDER HARNESS.'

NTSB Probable Cause Narrative

A LOSS OF CONTROL DUE TO PILOT INCAPACITATION FOR AN UNDETERMINED REASON(S).

Event Information

Type of Event Accident
Event Date 5/2/1992
Event Day of the Week Saturday
Time of Event 1623
Event Time Zone Pacific Daylight Time
Event City AVALON
Event State CALIFORNIA
Event Country --
Zipcode of the event site 90704
Event Date Year 1992
Event Date Month 5
MidAir Collision Indicator No
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 Weather Observation Facility
Time of the weather observation 1546 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 5
Weather Observation Facility ID SNA
Elevation of weather observation facility 54
Distance of event from weather observation facility (units?) 11
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 20000
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 200
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
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 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2671
NTSB Notification Source --
NTSB Notification Date May 3 1992 12:00AM
NTSB Notification Time 1500
Fiche Number and/or location -used to find docket information 47471
Date of most recent change to record Dec 11 2000 2:55PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N583T
NTSB Number LAX92LA386
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 BEECH
Aircraft Model A36
Aircraft Series Identifier A36
Aircraft Serial Number E-1020
Certified Max Gross Weight 3600
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 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 4 1992 12:00AM
Airframe hours since last inspection 30
Airframe Hours 3635
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ROBERT O. GIBBEL
Aircraft Owner Street Address 27721 POCHEA TRAIL
Aircraft Owner City HEMET
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92344
Operator is an individual? --
Operator Name ROBERT O. GIBBEL
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 27721 POCHEA TRAIL
Operator City HEMET
Operator State CA
Operator Country
Operator Zip code 92344
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 PRB
Departure City PASO ROBLES
Departure State CA
Departure Country
Departure Time 1510
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code MYF
Destination City SAN DIEGO
Destination State CA
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
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 --