Skip to page content

USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Portions of the Department of Transportation are currently in shutdown/furlough status due to a lapse in appropriations. Please continue to monitor this page for updates on DOT’s operating status.
United States Department of Transportation United States Department of Transportation

AC 21-21 - Use of Automobile Gasoline in Agricultural Aircraft

Document Information

Number
21-21
Title
Use of Automobile Gasoline in Agricultural Aircraft
Status
Active
Date issued
1984-08-24
Office of Primary Responsibility
ACE-100, Small Airplane Directorate
Description

Sets forth acceptable conditions under which automobile gasoline (autogas) may be used in restricted category agricultural aircraft powered by Pratt and Whitney R-985 and R-1340 radial engines, and being used in agricultural operations under Federal Aviation Regulations Part 137.

Content