Although density altitude does reduce performance of an aircraft, it doesn't automatically keep you on the ground. [Credit: Shutterstock] A student pilot mistakenly believed any reported density ...

Mechanical E6B flight computers, though increasingly rare, offer a versatile and affordable (around $12-$50) alternative to electronic versions ($80-$120) and apps for calculating flight parameters.

Is there a plug and chug way to do it if I know my barometric pressure, temp, and altitude? I need to get it everyday before I have a flying lesson. I hate using that round slide-rule flight computer ...