Home Authors Posts by Marc Cook

Marc Cook

Marc Cook
Marc Cook is a veteran special-interest journalist who started as a staffer at AOPA Pilot in the late 1980s. Marc has built two airplanes, an Aero Designs Pulsar XP and a Glasair Aviation Sportsman, and now owns a 180-hp, steam-gauge-adjacent GlaStar based in western Oregon. Marc has 5000 hours spread over 200-plus types and four decades of flying.

The Turf War Around MOSAIC

You might think that a long-running proposal to streamline certification and greatly expand (and make far more usable) LSA and sport pilot rules would have the industry locking arm, raising voices in song and, therefore, on a clear path to success. You might, but you’d be wrong.

DeltaHawk Announces Uprated Engines

With 200 hp on tap, the 347-pound (dry) DHK200 closes the gap to the angle-valve Lycoming IO-390.

Garmin Introduces New Radios

Featuring color displays, the new radios are com only (GTR 205) or a nav/com (GTR 215).

Dynon Announces “Relief” For RV Builders

Special rebate on certain Dynon and Advanced Flight Systems products for RV builders.

Van’s: Third-Party Deposits Honored with Price Increase

A long-expected announcement concerning builder deposits made on third-party items—engines, propellers, avionics.

DeltaHawk To Build FWF Package for Van’s RV-14

The first installation will be on Craig Saxton’s already flying RV-14 and is “anticipated to fly during late spring 2024.”

AV-30 Wrap-Up

Looking back on three years with uAvionix’s full-featured EFIS.

Roundtable on Van’s Laser-Cut Parts Tech Briefing

Van's data shows the laser-cut parts are no more likely to suffer fatigue cracking than punched parts, but there's a lot more to the story as our quartet of experts will explain.

Van’s Aircraft Releases Tech Summary on Laser-Cut Parts

Van’s released a series of documents that are the result of hundreds of fatigue-test coupons and countless hours of data examination and reduction.

Wiring Tool Favorites

The more your build—or modify or maintain your Experimental—the more you come to understand the need for specialist tools.

In Case You Missed it

Vortex Generators and STOL Performance

One way to solve the problem of flow separation—and stall—is by installing vortex generators on your kit aircraft.

Product Review: Lightspeed Headset

With Bose and LightSpeed competing neck and neck (ear to ear?) in the ANR headset arena, author Jack Cowell does a side-by-side comparison to see which model excels.


Protecting the builder from subsequent owners.

Nothing New

Apparently having done something evil in a former life, I’ve been consigned to toil...