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United States Department of Transportation United States Department of Transportation

AC 20-29C - Approval and Use of Fuel System Icing Inhibitors (FSII)

Document Information

Number
20-29C
Title
Approval and Use of Fuel System Icing Inhibitors (FSII)
Status
Active
Date issued
2024-03-27
Office of Primary Responsibility
AIR-625, Interactive Org Chart: Engine & Propulsion Section
Description

This advisory circular (AC) describes an acceptable method to demonstrate compliance with Title 14, Code of Federal Regulations (14 CFR) §§ 23.2620(a)(1), 25.1583(b)(1), 27.1583(b)(1), 29.1583(b)(1), 33.7(b)(2), and 33.7(c)(2) regarding the requirements for the approval and use of Fuel System Icing Inhibitors (FSII) in engines and aircraft. Additional guidance on specifications and standards applicable to FSII is also provided.

Content
Cancels
Cancels
Number Title Date
20-29B Use of Aircraft Fuel Anti-icing Additives

Provides information on the use of anti-icing additives PFA-55MB and Mil-I-27686 as an acceptable means of compliance with the FARs that require assurance of continuous fuel flow under conditions where ice may occur in turbine aircraft fuel systems.

 1972-01-18