![[Credit: Lisa Credit]](https://www.kitplanes.com/wp-content/uploads/2026/10/Experimental.jpg?w=265&h=198&crop=1 "Have You Seen Your Oplims?")
![[Credit: Andrew Robinson]](https://www.kitplanes.com/wp-content/uploads/2026/10/737_VGs2.jpg?w=265&h=198&crop=1 "Vortex Generators")
![[Credit: Van's Aircraft]](https://www.kitplanes.com/wp-content/uploads/2026/10/Vans_RV14A.jpg?w=265&h=198&crop=1 "Something New On The Horizon")
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/10/Chute-Topaz-Gigapixel-2x-scale.jpg?w=265&h=198&crop=1 "Should You Consider A Whole Aircraft Parachute?"){kind=tracking}
Alternative Energies
Dean Sigler checks in on the Green Flight Challengers of 2011 who didn’t make it to the competition to see what they’re up to now.
Light Stuff
If your homebuilt aircraft requires more assembly than actual fabrication, what does that mean vis-a-vis the FAA’s 51% rule? Roy Beisswenger looks into it.
Letters
Doug Reeves' "Unusual Attitude" article in the February 2012 issue provoked a lot of responses. Here's a sample.—Ed.
Safety…in Numbers
Doug Reeves directed us all to...
Something to Do
Upon his retirement, Jim Shy embarked on a lifelong dream of building his own airplane. But before he even decided on a design, he bought a place to keep it: his own airport.
Buzzwords: Maneuvering Speed
Ed Kolano unravels some of the misconceptions of the oft-misunderstood term, “maneuvering speed,” and explains the implications for pilots of homebuilt aircraft.
Maintenance Matters
In Part 2 of his discussion, Steve Ells delves into more detail about patching, repairing or replacing aircraft aluminum.
Build It Better: When 1+1 Does Not Equal 2
Paul Dye explains how to achieve unlike (or dissimilar) redundancy on the various systems in your homebuilt.
Gross Weights and “Destroyed” Airplanes
Where you you find the gross weight of an aircraft? And can you re-register an airplane that the FAA has deemed "destroyed?"
In Case You Missed It
Old Plug Washers Never Die…
New spark plugs always come with new washers—but if you're like most people,...
What’s New
Dr. RoTech introduces an engine analyzer for Rotax 912/914 engines, Planemakers offers builder assistance for composite aircraft, and Ameritech distributes Electroair ignition systems.
The Future of Homebuilding: Industry
For the general public, the idea of constructing your own airplane, with your own...
Ask the DAR
One fuel gauge for two tanks, becoming the builder of record, converting a Europa to LSA.