This SAE Aerospace Recommended Practice (ARP) is intended to evaluate corrosion inhibiting properties of synthetic gas turbine lubricants and gearbox oils.

This ARP is a modified form of a method developed in the United Kingdom as DERD Test Method/1, Method No. 18, Issue 1 of January 1984. (Reference 2.1.)

Field of Application:

Primarily to evaluate corrosion inhibiting properties of aircraft engines, gearboxes and propulsion system lubricants.