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
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.
- AC 20-24C (PDF, 127 KB)