Aircraft Accident/Incident Report

Livermore, California 94550
Friday, July 1, 1983 7:15 PDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT COLLIDED WITH RISING TERRAIN DURING A CROSS-COUNTRY IN IMC WEATHER. NO FLT PLAN WAS FILED FOR THE FLT. NO WEATHER BRIEFING WAS OBTAINED BY THE PILOT BEFORE TAKEOFF. THE DISTANCE TO BE FLOWN WAS 72 MILES AND THE PILOT FLEW THIS ROUTE ABOUT 3 TIMES A WEEK. THE FLT GOT WITHIN 5 MILES OF DESTINATION BEFORE COLLIDING WITH THE TERRAIN AT 1200 FT MSL. THE MOUNTAIN TOPS IN THE AREA GO AS HIGH AS 2500 FT MSL. THE PILOT WAS FLYING UP A CANYON IN LOW OVERCAST WEATHER CONDITIONS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/1/1983
Event Day of the Week Friday
Time of Event 715
Event Time Zone Pacific Daylight Time
Event City LIVERMORE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 94550
Event Date Year 1983
Event Date Month 7
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 Unknown
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 800 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 20
Weather Observation Facility ID LVK
Elevation of weather observation facility 397
Distance of event from weather observation facility (units?) 5
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 1200
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
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) 20
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 210
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 566
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 20828
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 N9945U
NTSB Number LAX83FA314
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 AMERICAN
Aircraft Model AA-5A
Aircraft Series Identifier AA-5A
Aircraft Serial Number 0345
Certified Max Gross Weight 2200
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 Dec 10 1982 12:00AM
Airframe hours since last inspection 68
Airframe Hours 1780
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name IRVING M. WEISS
Aircraft Owner Street Address 1532 MOORE PARK AVE.
Aircraft Owner City SAN JOSE
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95128
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 011
Departure City FAIR OAKS
Departure State CA
Departure Country
Departure Time 615
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code LVK
Destination City LIVERMORE
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 10:36AM
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 --