https://www.avweb.com/aviation-news/faa-to-approve-use-of-91ul-fuel-in-two-thirds-of-piston-fleet/
https://www.avweb.com/aviation-news/unleaded-fuel-initiatives-still-much-to-do/
Anyone remember how long it took to ger 100LL approved? I still remember the old red and green.
https://www.avweb.com/aviation-news/unleaded-fuel-initiatives-still-much-to-do/
Anyone remember how long it took to ger 100LL approved? I still remember the old red and green.