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ASN Wikibase Occurrence # 41526
Last updated: 4 June 2019
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Date:21-JAN-1994
Time:14:45
Type:Silhouette image of generic C421 model; specific model in this crash may look slightly different
Cessna 421C
Owner/operator:Heritage Aircraft
Registration: N777BE
C/n / msn: 421C0134
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Titusville, FL -   United States of America
Phase: Take off
Nature:Private
Departure airport:
Destination airport:
Investigating agency: NTSB
Narrative:
WITNESSES ON THE GROUND REPORTED THAT THE ENGINES SOUNDED NORMAL WHILE THE AIRPLANE WAS TAXIING TO TAKEOFF. AFTER TAKEOFF WITNESSES REPORTED SEEING WHITE SMOKE TRAILING THE LEFT ENGINE. THE AIRPLANE WAS OBSERVED TO BANK TO THE LEFT WITH A BANK ANGLE OF ABOUT 90 DEG. THE AIRPLANE THEN PITCHED NOSE DOWN, DESCENDED, AND COLLIDED WITH TREES AND THE GROUND. EXAMINATION OF THE LEFT ENGINE OIL SEPARATOR FROM THE TURBOCHARGER ASSEMBLY REVEALED THAT A SECTION OF PIPE NEAR A FLANGE WHICH IS CONNECTED TO THE TURBOCHARGER OIL OUTLET FAILED DUE TO FATIGUE. THERE WAS NO OTHER FAILURE OR MALFUNCTION NOTED WITH THE LEFT OR RIGHT ENGINES AND PROPELLERS. THE MIXTURE CONTROL ARM ON THE LEFT ENGINE FUEL CONTROL UNIT WAS FOUND IN THE 'OFF' POSITION. ADDITIONALLY, THE FUEL SELECTORS AND MAGNETO SWITCHES WERE ALSO FOUND IN THE 'OFF' POSITION. A PILOT-RATED PASSENGER OCCUPIED THE LEFT FORWARD SEAT. CAUSE: FAILURE OF THE PILOT-IN-COMMAND TO MAINTAIN VMC RESULTING IN THE INFLIGHT LOSS OF CONTROL. CONTRIBUTING TO THE ACCIDENT WAS THE FATIGUE FAILURE OF A SECTION OF PIPE ADJACENT TO A FLANGE WHICH CONNECTS TO THE TURBOCHARGER OIL OUTLET OF THE LEFT ENGINE ASSEMBLY.

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001206X00657


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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