Why the controversy about unleaded avgas?

Posted on October 27th, 2010 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. He has been a private pilot since 1985. The most common question I get concerning unleaded avgas is, “why all of the controversy?” Continue Reading →

Panic about unleaded avgas runs rampant

Posted on August 24th, 2010 by

A few weeks ago I visited AirVenture in Oshkosh. It was no surprise the hot topic of discussion was unleaded avgas. You will be happy to know that panic and ignorance was running rampant. Continue Reading →

How to prepare for the end of 100LL

Posted on July 19th, 2010 by

How should aircraft owners prepare for the switchover from 100LL to its replacement? In a previous post, I stated that if — or when — 100LL goes away, the only fuel that will be universally available for general aviation will... Continue Reading →

GA’s Catch 22

Posted on June 15th, 2010 by

Why don’t FBOs sell auto fuel? When will unleaded avgas be available — and who will sell it? These questions, and more, abound about aviation’s Catch 22: FBOs will not stock unleaded fuels until the market supports it — and... Continue Reading →

Asking for trouble

Posted on May 12th, 2010 by

In college, one of my favorite courses was internal combustion engines taught by Prof. Groves. One semester, the main topic of the course was the differences between spark ignition (SI) and compression ignition (CI) engines. After taking the final test,... Continue Reading →

The death of Common Sense

Posted on April 29th, 2010 by

Today we mourn the passing of a beloved old friend, Common Sense in general aviation. It will be remembered as having cultivated such valuable lessons as knowing when to not fly into a storm, life isn’t always fair, and maybe... Continue Reading →

Debates must continue to find solutions to aviation’s upcoming technical challenges

Posted on March 15th, 2010 by

I recently received a letter, “Is global warming debate over?”, from Peter Mortensen criticizing one of my previous columns. I appreciated his letter and he made several valid points. Letters, even critical ones, ensure that we stay centered and help... Continue Reading →

What happened to auto gas at the airport?

Posted on February 10th, 2010 by

When auto gas was first approved via STC for certain aircraft, there was a lot of support and many airports started to sell auto gas. This was a good deal for many Rotax-powered aircraft, as well as STC’d certified aircraft.... Continue Reading →

The demise of 100LL is no surprise

Posted on January 18th, 2010 by

At the recent AOPA Aviation Summit, several industry leaders made the startling comment that lead in avgas is going away. Well, duh, what do you think I have been saying for the last 20 years? The comments fall into three... Continue Reading →

Global warming debate stifles progress

Posted on December 10th, 2009 by

I’ve received a lot of mail on my recent column on the effects of carbon dioxide on global warming (How are planes affecting the environment?). The replies were both pro and con on global warming and the greenhouse gas thing.... Continue Reading →