The main quality concern for jet fuel is water, just like with avgas. But there are some additional concerns.
How can I ensure an FBO’s fuel is not contaminated?
I recommend that you let your plane sit for maybe a half hour or so after fueling before you do your fuel sump checks. That way if you did get some moisture or contaminates, you would have a better chance of spotting it.
The latest on aviation lubricants
EAA AirVenture Oshkosh is a time to discover new products, as well as catch up with old friends.
One question, many answers
Asking technical experts the same question about exhaust valve recession problems with unleaded fuel and you’ll get a variety of answers — and each person is convinced they are right.
Liability and unleaded fuels
Who will actually “approve” any new unleaded fuel and what does that approval mean?
The panic about unleaded fuels
A lot has been written about who is developing 100 unleaded avgas fuels, but we should look at who is NOT working on a candidate fuel.
Unleaded fuels and exhaust valve recession
What needs to happen to move forward towards an unleaded future for general aviation?
Avgas from the Wright brothers to today
There is still a lot of confusion about the transition to a new unleaded avgas, especially around the differences between fuels approved through the Supplemental Type Certificate (STC) and a specification from the American Society for Testing and Materials (ASTM). It may help to look at the history of specifications for avgas.
Grease: It’s not one and done
Why can’t you use just one grease in your aircraft? One reason is that not all greases are created equal — and the differences can cause problems.









