Navigation expert Langley R. Muir, Ph.D.s in-depth study of the SPOT Personal Tracker reveals its capabilities…and what you need to know to use it most effectively.
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.
Mel Asberry answers readers’ questions on one-off engineering data requirements, how to fill out an AC 20-27G form, and how to test-fly an aircraft in the U.S. Virgin Islands.