21-21 - Use of Automobile Gasoline in Agricultural Aircraft
- Date Issued
- August 24, 1984
- Responsible Office
- 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.
- ac21-21.pdf (PDF, 373 KB)