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ASN Wikibase Occurrence # 36504
Last updated: 25 April 2019
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Date:31-MAY-1994
Time:08:45
Type:Silhouette image of generic BE36 model; specific model in this crash may look slightly different
Beechcraft A36 Bonanza
Owner/operator:Tony Gale Dunivant
Registration: N4323W
C/n / msn: E-526
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Fullerton, CA -   United States of America
Phase: Take off
Nature:Private
Departure airport:CA (FUL)
Destination airport:Laredo, TX (LRD)
Investigating agency: NTSB
Narrative:
ACCORDING TO WITNESSES, THE AIRPLANE USED MOST OF THE 3,120 FOOT LONG RUNWAY WITH SLOW ACCELERATION, AND FAILED TO ESTABLISH A POSITIVE RATE OF CLIMB. IT THEN COLLIDED WITH A STREET LIGHT POLE LESS THAN A MILE FROM THE RUNWAY. THE AIRPLANE HAD BEEN MODIFIED ABOUT 9.7 FLIGHT HOURS PRIOR TO THE ACCIDENT FLIGHT WITH AN FAA APPROVED TURBONORMALIZED/TURBO SYSTEM AND SPEED BRAKES. ACCORDING TO THE COMPANY CHECK PILOT, THE OWNER/PILOT HAD RECEIVED 1.5 HOURS OF GROUND INSTRUCTION AND 1.3 HOURS OF FLIGHT CHECKOUT ON THE MODIFICATION/CHANGES TO THE AIRPLANE. THE TURBO MODIFICATION WEIGHED 32 POUNDS MORE THAN REFLECTED IN THE STC PAPERWORK, AND THE CG WAS 3.61 INCHES FORWARD OF THE FORWARD LIMIT AS THE AIRCRAFT WAS LOADED. THE TIP TANK FUEL CG WAS IN ERROR BY 10.9 INCHES IN THE STC PAPERWORK. THE AIRPLANE WAS OVER GROSS WEIGHT BY 26 POUNDS. THE FUEL BOOST PUMP WAS FOUND IN THE ON POSITION, AND COULD HAVE FLOODED THE ENGINE. THE SPARK PLUGS INDICATE AN OVER-RICH MIXTURE, WHICH COULD DEGRADE ENGINE PERFORMANCE. FACTORS ASSOCIATED WITH THE INSTALLATION CAN CAUSE A DEGRADED TAKEOFF PERFORMANCE AT SEA LEVEL. CAUSE: the pilot's lack of familiarity with the performance change of the airplane, and the lack of proper training/transition in the modified airplane. Contributing to the accident was inadequate substantiation process and insufficient review by the FAA; the improper weight and balance of the airplane; and the pilot's lack of total experience in this type of aircraft.

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001206X01315


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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