Airline pilot reveals the meanings of 11 code words passengers don't understand

For most of us, flying is still an inherently mysterious activity.

To shed some light on the world of commercial air travel, Business Insider turned to Patrick Smith, an author and airline pilot, for some answers.

Smith, who is the author of Cockpit Confidential, created a glossary of commonly misunderstood airline jargon that can be found on website, Ask the Pilot.

According to Smith, some of the terminology is highly technology with others are quite humorous and even a bit absurd.

Here are a selection of these entries.