![The 160 hp turbocharged Rotax 916iS is a four-stroke piston engine with redundant electronic fuel injection and ignition. [Credit: BPR Rotax]](https://www.kitplanes.com/wp-content/uploads/2026/05/PIC_916-iS_iSc-2.jpg?w=534&h=462&crop=1 "2026 Engine Buyer’s Guide")
In Case You Missed It
Flights of Fancy
It’s more cliché than observation to note there’s a whole lot of dreaming going on in aviation.
Predicting Performance
John T. Lowry's Bootstrap approach makes it easy to create performance charts for your pilot's operating handbook.
Ask the DAR
Do I qualify as a Sport Pilot if I’m already a Private Pilot? Does the installation of skis constitute a major change? How can I get an N number? DAR Mel Asberry answers these questions.