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ASN Wikibase Occurrence # 174707
Last updated: 29 July 2020
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Type:Silhouette image of generic C150 model; specific model in this crash may look slightly different
Cessna 150F
Registration: N8254S
C/n / msn: 15061854
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Location:Royal Highlands subdivision, Groveland, FL -   United States of America
Phase: Initial climb
Departure airport:Masscotte, FL (06FD)
Destination airport:Kissimmee, FL (ISM)
Investigating agency: NTSB
The noninstrument-rated private pilot reported that he took off in the airplane and that the engine lost power about 1,500 ft above ground level. He subsequently conducted a forced landing in woods about 1/2 mile from the airport, which resulted in substantial damage to the fuselage, empennage, and both wings. Witnesses reported hearing the airplane depart the airport but not seeing it because the visibility was limited due to fog in the area.
Following the accident, a witness talked to the pilot. He stated that the pilot told him that, after the airplane departed the airport, the engine “sputtered, came back up, and then quit.” Further, the pilot reported to a local mechanic that he did not use carburetor heat during the flight. The pilot reported no preimpact mechanical malfunctions or failures with the airplane, and a postaccident engine examination revealed no anomalies that would have precluded normal operation. Examination of the wreckage revealed that the engine had been operating on automotive gasoline.
Weather conditions at the time of the accident were conducive to the accumulation of serious carburetor icing at glide power, and carburetor icing is more likely to form when an engine is operating on automotive gasoline. Further, the pilot reported that the engine “sputtered,” which is consistent with how an engine sounds when carburetor ice has accumulated, and that he did not use carburetor heat during the approximate 15-minute flight. Therefore, it is likely that the airplane lost total engine power due to carburetor icing.
Instrument meteorological conditions prevailed near the accident site at the time of the accident, and visibility was about 1/4 mile due to fog. Further, the airport was surrounded by farmland and pastures, and the airplane impacted a stand of trees. Therefore, it is likely that the weather conditions precluded the pilot from being able to locate a suitable emergency landing area.
Probable Cause: The pilot's failure to use carburetor heat during the flight while operating in conditions conducive to carburetor icing, which resulted in a total loss of engine power due to carburetor icing. Contributing to the accident was the pilot's decision to take off in low visibility conditions, which precluded him from being able to locate a suitable emergency landing area.


FAA register:

Revision history:

20-Mar-2015 18:14 Geno Added
21-Mar-2015 02:19 Geno Updated [Source]
18-Apr-2015 14:43 Geno Updated [Time, Aircraft type, Registration, Cn, Operator, Phase, Nature, Destination airport, Source, Narrative]
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
01-Dec-2017 12:45 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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