On December 18, 1982, a Cessna 182N (registration N92612) operated by William Mccollum, Jr. was involved in an aviation accident near Ringwood, NJ. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
Pilot declared emergency due to power loss, aircraft crashed into reservoir. Examination revealed induction air filter had disintegrated, with paper fragments blocking cylinders and carburetor. Filter had exceeded recommended replacement interval.
Overview
The pilot of the aircraft declared an emergency following a loss of engine power. The aircraft subsequently crashed into a reservoir.
Engine Examination
Post-accident examination of the engine disclosed numerous pieces of the induction air filter throughout the engine. Specifically, filter paper was found lodged between the intake valve and valve seat of the number 5 cylinder. The throat of the carburetor venturi was almost completely blocked by pieces of the filter paper. Paper fragments were also observed dropping from the number 4 cylinder intake port, and several paper fragments were found in the oil sump.
Filter Condition
Little of the paper element remained inside the air filter frame. The paper that did remain was markedly discolored. The filter had accumulated approximately 1,100 hours of service since its installation nearly 10 years prior. Cessna recommends that the filter be replaced every 500 hours of operation.
What happened in the 18 Dec 1982 Cessna 182N accident near Ringwood, NJ?
Pilot declared emergency due to power loss, aircraft crashed into reservoir. Examination revealed induction air filter had disintegrated, with paper fragments blocking cylinders and carburetor. Filter had exceeded recommended replacement interval.
What aircraft was involved and where did it happen?
The accident on 18 Dec 1982 involved a Cessna 182N, registration N92612, operated by William Mccollum, Jr., at Ringwood, NJ.
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