AC 20-29B, ADVISORY CIRCULAR: USE OF AIRCRAFT FUEL ANTI-ICING ADDITIVES (18-JAN-1972)

AC 20-29B, ADVISORY CIRCULAR: USE OF AIRCRAFT FUEL ANTI-ICING ADDITIVES (18-JAN-1972)., This circular provides information on the use of anti-icing additives PFA-55MB and MIL-I-27686 as an acceptable means of compliance with the Federal Aviation Regulations that require assurance of continuous fuel flow under conditions where ice may occur in turbine aircraft fuel system.