ASN Wikibase Occurrence # 229290
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| Date: | Tuesday 24 September 2019 |
| Time: | 12:05 |
| Type: |  Cessna 172K Skyhawk |
| Owner/operator: | RTD Aviation LLC |
| Registration: | N78192 |
| MSN: | 17257521 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 4248 hours |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Central Jersey Regional Airport (47N), Manville, NJ -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Atlantic City International Airport, NJ (ACY/KACY) |
| Central Jersey Regional Airport, NJ (47N) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The student pilot was approaching the airport to land at the conclusion of a solo cross-country flight. As he turned the airplane from the base to final approach leg of the traffic pattern, the engine started to run rough, and subsequently lost all power. He attempted to restart the engine, but was unsuccessful. He then performed a forced landing into 70-ft-tall treetops. The airplane came to rest in the treetops, resulting in substantial damage to both wings.
Examination of the engine revealed two pieces of debris inside the carburetor airbox downstream from the air filter element. The debris was consistent with epoxy/sealant used during repairs of the airbox. The airbox appeared to have been repaired and patched several times, and some of the sealant on the repairs appeared to be loose. When the debris was placed in the carburetor venturi for reference, it blocked about 50 to 75% of the opening. If the sealant debris came loose inside the airbox while the engine was running, it is likely that it would follow the air path into the carburetor venturi and block the air flow into the carburetor.
The weather conditions at the time of the accident were conducive to carburetor icing; however, the pilot reported applying the carburetor heat on the downwind traffic pattern leg and did not notice any anomalies with the engine at that time. Had significant ice built up in the carburetor during the descent, it is likely that the engine would run roughly soon after the application of the carburetor heat and continue to do so as the ice melted.
Probable Cause: A total loss of engine power due to the ingestion of sealant material that had loosened inside the carburetor airbox.
Accident investigation:
 |
|
Sources:
https://www.mycentraljersey.com/story/news/crime/jersey-mayhem/2019/09/24/plane-crashes-hillsborough-nj-near-central-jersey-regional-airport/2429118001/
https://www.nj.com/somerset/2019/09/small-plane-crashes-in-wooded-area-near-nj-airport.html
https://www.nbcnewyork.com/news/local/Plane-Crash-New-Jersey-561235311.html
NTSB
https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=78192
https://flightaware.com/photos/view/8570953-a4f17205595ddb930902a6f342dd41ac3ed6a34d
Location
Images:
Photo: NTSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Sep-2019 18:36 | Geno | Added |
| 24-Sep-2019 18:56 | Iceman 29 | Updated [Source, Embed code] |
| 03-Apr-2022 14:13 | Captain Adam | Updated [Time, Location, Nature, Departure airport, Destination airport, Source, Embed code, Narrative, Category, Accident report, Photo] |
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