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Dave Holmgren


Error Chain

Expectations-You don't know what you don't know. By Dave Holmgren.

In Case You Missed it

Phase I Done Right

The problem for many pilots is that they really don't know what flight testing entails.

The Other P Factor

Late last year I flew from Southern California to Tucson and back in my...

Tweaking an Engine/Airframe For Efficiency

When an aircraft engine is tightly cowled without cowl flaps, running hot can be a problem. But there are solutions, as author Amy Laboda found out after much research and experimentation.

What’s New

TCW Technologies announces two new products, ChartFlier introduces a low-cost entry to the ADS-B market, and a veteran airshow performer pilots the SubSonex jet on its maiden flight.