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Mel Asberry

Mel Asberry
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Mel Asberry is an experienced Designated Airworthiness Representative specializing in Experimental/Amateur-Built aircraft. He and his wife, Ann, have built seven amateur-built airplanes including two ultralight types, a Moni Motorglider, a Dragonfly Mk2, two RV-6s and a Zenair CH 601HDS. They are currently building a scratch-built biplane.

Ask the DAR

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Licensing a partially completed project. Does major repair work count as building?

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Hiring a professional build center to build an Experimental Light Sport Aircraft.

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LSA weight increase, compass requirements, gyroplane DARs, E/A-B inspector eligibility.

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Repairman certificate eligibility, who to list as the manufacturer, installing ADS-B equipment.

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Importing a Canadian experimental to the U.S., maintenance regs, Form 8000-3 confusion.

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SLSA max empty weight, sailplane condition inspections, licensing a RANS S-7LS as an ELSA.

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Questions about operating limitations when changing engines and adding avionics for IFR.

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Engine data plate, airworthiness certificate issued by an IA, ELT requirements with ADS-B.

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Electric motors, major repairs, combining parts from several kits, using completed wings.

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Repairman certificate eligibility, ELSA mods, flying at civil twilight, fuel cap engraving.

In Case You Missed it

A Sign of the Zodiac (Part 5)

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Builder Rick Lindstrom’s Zenith Zodiac 601 XL project continues as he discusses the successes and setbacks he experienced along the way to the first flight; by Rick Lindstrom.

Wind Tunnel

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The author discusses the theory and effect of constant-speed propellers on piston-engine airplane performance, and compares fixed-pitch versus constant-speed props, effect on thrust HP and propulsion, the comprises involved in choosing a prop, how props perform in various conditions and phases of flight, how variable-pitch props work, and why a constant-speed prop is the best choice for high-performance aircraft.

Vortex M912 Gyroplane

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Low and slow, even in the wind. By Karl Storjohann.

Turbine Temptation: Into the Air

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No parts left—let’s fly!