Accident Kolb Mark III Classic N528DJ, Saturday 24 March 2012
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Date:Saturday 24 March 2012
Time:10:15
Type:Kolb Mark III Classic
Owner/operator:Private
Registration: N528DJ
MSN: M300-2-00026
Total airframe hrs:55 hours
Engine model:Jabiru 2200A
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Marsh Road near DeLand Municipal Airport - KDED, DeLand, FL -   United States of America
Phase: Approach
Nature:Private
Departure airport:Deland, FL (DED)
Destination airport:Deland, FL (DED)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The experimental amateur-built airplane, with a carburetor-equipped engine, was airborne for about 1 hour under clear skies when the pilot attempted to land at the departure airport. While at reduced power, and during a traffic pattern turn from base leg to final, the engine lost power. The pilot deployed the airplane's parachute system, and the airplane settled into trees. Postaccident examination of the airplane revealed no preexisting mechanical anomalies, and an estimated 1 gallon of fuel was found in each fuel tank. A representative of the kit manufacturer examined photographs of the fuel tanks with the fuel remaining and indicated that the amount there was not enough to unport the tanks during a turn. He also noted that if the tanks did unport, there still would have been 3 to 4 minutes of fuel in the lines at cruise power plus additional fuel in the carburetor bowl. Temperature and dew point at the time of the accident were conducive to serious carburetor icing at glide power. The pilot did not check carburetor icing probability before the flight, and the engine was not equipped with carburetor heat.
Probable Cause: The pilot's lack of preflight planning for potential carburetor icing conditions, and the subsequent flight in those conditions in an airplane not equipped with carburetor heat.

Accident investigation:
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Investigating agency: NTSB
Report number: ERA12LA252
Status: Investigation completed
Duration: 10 months
Download report: Final report

Sources:

NTSB

Location

Revision history:

Date/timeContributorUpdates
26-Mar-2012 17:24 Geno Added
27-Mar-2012 00:31 RobertMB Updated [Nature, Source, Narrative]
10-Apr-2012 11:41 Geno Updated [Time, Source]
21-Dec-2016 19:26 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
27-Nov-2017 20:28 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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