AMTStandards.orgAviation maintenance

Sump

A low point in an aircraft fuel tank in which water and other contaminants can collect and be held until they can be drained out.

Aviation Maintenance Technician Handbook — Airframe, p. G-34

Also defined in 2 more sources

A low point in an aircraft engine in which lubricating oil collects and is stored or transferred to an external oil tank. A removable sump attached to the bottom of the crankcase of a reciprocating engine is often called an oil pan.

Aviation Maintenance Technician Handbook — Powerplant, p. G-27

A low point in an aircraft fuel tank in which water and other contaminants collect and are held until they can be drained out.

Aviation Maintenance Technician Handbook — Powerplant, p. G-27

Taught in PP-G Concepts, PP-G Quick reference, AF-J Quick reference, GEN-F Procedures, AF-J Concepts, AF-J Procedures.