![Careful planning and determination will get you to your goal of building and flying your own airplane. [Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/05/Pulsar-Sunset.jpg?w=534&h=462&crop=1 "Last Bits")
![[Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/05/AdobeStock_262642207_AGCuesta.jpg?w=265&h=198&crop=1 "Winging It")
![Lowell Farrand spent years serving as an FAA DAR and is in the EAA Hall of Fame. He offers sound advise to builders. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/05/unnamed-4.jpg?w=265&h=198&crop=1 "Think Like a Builder")
![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=265&h=198&crop=1 "2026 Engine Buyer’s Guide")
![The alternative to bending down as the propeller is pulled through the compression stroke is to keep the back straight and bend the knees slightly, stepping away in a crouch. [Credit: LeRoy Cook]](https://www.kitplanes.com/wp-content/uploads/2026/05/IMG_1519-scaled.jpg?w=265&h=198&crop=1 "Manual Starting Methods")
Avidyne IFD540
Avidyne's new IFD540 GPS navigator will offer an easy replacement for Garmin GNS users.
Bringing a Baby Great Lakes Back
After developing an interest in aerobatics, one builder acquires an airplane that allows him to fully indulge that fascination (after a few hundred hours of rebuilding). By Ron Bearer Jr.
Firewall Forward: Oil Coolers and Oil Lines
The right oil cooler, installed correctly, can maximize your engine’s life. Of course, you’ll also need to consider crankcase breathers, oil separators, oil filters, oil lines and connections.
Flight Testing
Even current pilots need to hone specific skills before attempting a first flight in their homebuilts. There's only one way to do that: practice. And then practice some more.
Build It Better: Building to Requirements
It can be tough to keep a homebuilt project from ballooning out of control when so many tempting innovations and extras catch your eye along the way. Having a specific vision from the outset can help keep things on track.
Plexiglas Play
The advantages of Plexiglas are many, but there are some important things to know about working with it and maintaining it.
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.
Aero ‘lectrics
You need never again be greeted by a dead battery because you left the master switch on. With a few dollars’ worth of parts, you can build a simple alarm system.
Wind Tunnel
It’s all about lift, and knowing your airplane’s lift margin at a given airspeed tells you what the airplane is capable of.
In Case You Missed It
Smart Transponders
The Experimental market gets few breaks when it comes to transponder and ADS-B requirements.
