20-24C - Approval of Propulsion Fuels and Lubricating Oils

Date Issued
July 29, 2011
Responsible Office
ANE-111,  Aircraft Certification Service Engine & Propeller Directorate - Rulemaking & Policy
Description

This advisory circular (AC) provides guidance applicable to adding fuels and oils as engine, aircraft, or auxiliary power unit (APU) operating limitations.  It also provides acceptable methods, but not the only methods, that may be used to approve aircraft, engines, or APUs to operate with specified propulsion fuels and lubricating oils.