Squawk Box

February 2001 Issue

Bowled Over

Leaky gascolators are easy to spot, but frequently neglected during preflight

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts.


The FAA has issued a reminder to pilots operating aircraft equipped with carburetors that gascolator problems are common and generally result in engine failure in flight.

Gascolator inspection during preflight can easily detect and prevent the most common gascolator problems.

The gascolator contains a fuel filter screen and a sediment bowl that serves as a water separator. Usually a gascolator has a wire bail holding a glass or metal bowl in place. There are three primary gascolator malfunctions, each of which can lead to a loss of power due to interruption...

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