Zamperini Field Airport
Aircraft Accident/Incident Report

Torrance, California 90505
Sunday, May 22, 1994 17:59 PDT

NTSB Narrative Summary Released at Completion of Accident

AFTER COMPLETION OF A CROSS-COUNTRY FLIGHT, THE PILOT TAXIED OFF THE ACTIVE RUNWAY AND THE ENGINE QUIT. THE PILOT ATTEMPTED TO RESTART THE AIRPLANE AND NOTICED FLAMES AROUND THE ENGINE COMPARTMENT. AN EXAMINATION OF THE ENGINE REVEALED THAT THE CARBURETOR FUEL INLET FITTING WAS BROKEN. THE CARBURETOR FUEL LINE WAS CONNECTED TO A 4-INCH-LONG FUEL FLOW TRANSDUCER THAT WAS THEN CONNECTED TO THE CARBURETOR FUEL INLET FITTING. A METALLURGIST REPORTED THAT THE FITTING APPEARED TO HAVE BROKEN DUE TO FATIGUE. THE MAINTENANCE RECORDS DO NOT INCLUDE ANY DOCUMENTATION OF THE FUEL FLOW SYSTEM INSTALLATION. AN ANNUAL INSPECTION WAS COMPLETED 4.8 HOURS PRIOR TO THE ACCIDENT.

NTSB Probable Cause Narrative

a fatigue failure of the carburetor fuel inlet fitting. A fuel flow system modification and an inadequate annual inspection were factors in the accident.

Event Information

Type of Event Accident
Event Date 5/22/1994
Event Day of the Week Sunday
Time of Event 1759
Event Time Zone Pacific Daylight Time
Event City TORRANCE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 90505
Event Date Year 1994
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ZAMPERINI FIELD
Event Location Nearest Airport ID TOA
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 101
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1746 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID TOA
Elevation of weather observation facility 101
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 270
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) 29
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 932
NTSB Notification Source --
NTSB Notification Date May 22 1994 12:00AM
NTSB Notification Time 1811
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 11:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9514U
NTSB Number LAX94LA223
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN
Aircraft Model AA-1C
Aircraft Series Identifier AA-1C
Aircraft Serial Number AA1C0002
Certified Max Gross Weight 1684
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 19 1994 12:00AM
Airframe hours since last inspection 5
Airframe Hours 2142
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JAMES S. THOMPSON
Aircraft Owner Street Address 1300 S. CATALINA AVE. APT. 210
Aircraft Owner City REDONDO BEACH
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 90277
Operator is an individual? --
Operator Name JAMES S. THOMPSON
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 1300 S. CATALINA AVE. APT. 210
Operator City REDONDO BEACH
Operator State CA
Operator Country
Operator Zip code 90277
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 KIC
Departure City KING CITY
Departure State CA
Departure Country
Departure Time 1540
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Taxi
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 29R
Runway Length 5000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --