Engine Beat
Removing your oil filter is not nearly as easy as putting it on. Steve Ells shows you how to take it off without turning your workshop into a Hazmat site.
Ask the DAR
Can a powered parachute be classified as Experimental/Exhibition if it missed the ELSA deadline?
Light Stuff
LSAs are fun, and being able to make that water landing-and takeoff-in one is even more enjoyable. Join Dave Martin as he samples the Progressive Aerodyne SeaRey LSX.
Around the Patch
Editor-in-Chief Marc Cook comments on Zenith Aircrafts turbulent year following several in-flight breakups of CH 601XL Zodiac aircraft, and the company's response with an extensive update kit.
What’s New
Garmin expands online training and Sky-Tec introduces ST5 starters for Continentals. Edited by Mary Bernard.
ADS-B and Experimental Aircraft
More acronyms? Amy Laboda details the integration of ADS-B into the ATC system, and what it means for the Experimental aviation community.
Build a Bear: Some Assembly Required
Much more than Tab A into Slot B: Team Prizio assembles the Texas Sport Cub.
Aero ‘lectrics
Jim Weirs lifetimes worth of tinkering has produced a definitive list of electronics parts suppliers, and hes willing to share.
Wind Tunnel
Airplanes are surprisingly flexible, and changes in their shape can affect aerodynamic characteristics. Barnaby Wainfan explains how the two are coupled.
In Case You Missed it
Ask the DAR
When do service bulletins have the force of law with regard to Experimental/Amateur-Builts?
Plexiglas Play
The advantages of Plexiglas are many, but there are some important things to know about working with it and maintaining it.
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.