In Case You Missed It
Wind Tunnel
Recently, there has been increasing interest in the efficiency of all vehicles, including airplanes. Designers are seeking to make airplanes that perform better and burn less fuel. Barnaby Wainfan takes a close look at the aerodynamics and mathematics behind this deceptively complex process.
Ask the DAR
Does an A&P have to sign off on an ELT inspection? And can a Sport Pilot fly a Cessna 172?