ASN Wikibase Occurrence # 38863
Last updated: 25 November 2014
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Date:18-JAN-1991
Time:1430
Type:Silhouette image of generic BE35 model; specific model in this crash may look slightly different
Beechcraft 35 Bonanza
Owner/operator:private
Registration: N4589V
C/n / msn: D-1060
Fatalities:Fatalities: 1 / Occupants: 2
Other fatalities:0
Airplane damage: Written off (damaged beyond repair)
Location:Arden, NC -   United States of America
Phase: Landing
Nature:Private
Departure airport:(AVL)
Destination airport:Lawrenceville, GA (17A)
Narrative:
DURING THE INITIAL CLIMB AFTER TAKEOFF, THE ENG LOST POWER. SUBSEQUENTLY, THE ACFT COLLIDED WITH TREES AND CRASHED. WATER WAS FOUND IN A FUEL LINE (BTN THE FUEL SELECTOR VLV AND ELECTRIC FUEL PUMP), ELECTRIC BOOST PUMP MANIFOLD, AND CARBURETOR (CARB) INLET STRAINER; HOWEVER, THE FUEL SYSTEM WAS DAMAGED DURING IMPACT AND FIRE SUPPRESSANT CHEMICALS WERE SPRAYED ON THE WRECKAGE. A CHECK OF THE CARB SHOWED THAT IT WAS PROVIDING A LEAN MIXTURE AT LOW POWER SETTINGS AND A RICH MIXTURE AT HI POWER SETTINGS. A TEARDOWN OF THE CARB REVEALED A CRYSTALLINE SUBSTANCE ON THE CARB DIAPHRAGM, AN IMPROPER METERING JET, AND THAT 5 SHIMS WERE INSTALLED IN THE CARB REGULATOR DIAPHRAGM SPRING MECHANISM. THE BENDIX OVERHAUL MANUAL ALLOWED A MAXIMUM OF 2 SHIMS. DURING A POST-ACDNT CHECK, THE ENG OPERATED NORMALLY WITH THE ELECTRIC FUEL PUMP ON, BUT THE ENG STOPPED RUNNING WHEN THE ELECTRIC PUMP WAS TURNED OFF. CAUSE: FOR UNDETERMINED REASONS, THE ENGINE LOST POWER.

Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X16256


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
Number of views: 879

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