Handheld GPS Special The GPS Experience Familiarizing yourself with your GPS unit's features is worthwhile; by Gary Jones. Big Screen Brawl Garmin and Lowrance go head-to-head in color maps; by Marc Cook. Flying With Fly GPS Pilot offers a low-cost alternative to high-end handheld GPS systems; by Don Maxwell. Homebuilt Aircraft Directory 2005 Trikes, 'Chutes and Rotorcraft Directory We list currently available designs in each category; compiled by Julia Downie. Flight Reports Star Quality Four-stroke power makes Flightstar's IISC fun and frugal; by Dave Higdon. Van's Wunderkind The RV-10 is put through its paces and comes up aces; by Chuck Berthe. Builder Spotlight An Airplane in our Living Room, Part 3 In the series conclusion, we move from the living room to the runway; by Adam Hunt. Completions Builders share their successes with our readers. Shop Talk Engine Beat British designer Mark Wilksch's new inverted turbo diesels; by Geoffrey Jones. Aero 'Lectrics We reach the end of the VOR trail; by Jim Weir. Designer's Notebook Wind Tunnel Into the vortex once more; by Barnaby Wainfan. Exploring Around the Patch Just one of the guys; by Marc Cook. What's New Engine data analysis from EGTrends; edited by Brian E. Clark. Building a Paper Airplane One man's journey down the paperwork trail; by Lewis Bjork. Light Stuff Part 103 ultralights shine even in a Light-Sport Aircraft world; by Dan Johnson. Kit Bits Letters List of Advertisers Builders' Marketplace The Classified Builder Kit Stuff Drawing on experience; by cartoonist Robrucha.