Author: John Cox, Special to USA TODAY

This week, Capt. John Cox explains how what commercial pilots eat, cabin pressure and what it means if an aircraft is overloaded with fuel.

This week, Capt. John Cox explains how the aviation industry measures altitude uniformly so pilots don’t have to constantly reset their instruments.

This week, Captain John Cox explains the art of landing a commercial airliner in crosswinds.

This week, retired US Airways pilot John Cox names his favorite plane and explains where the emergency oxygen comes from if the cabin loses pressure.

This week, Captain John Cox explains what airline dispatchers do and why some pilots choose flying international routes over becoming a captain.

This week, Captain John Cox explains why most pilots prefer to land airliners manually and how they know the wheels have made contact with the runway.

This week, Captain John Cox shares the techniques air crews use to get rid of jet lag so they can function once they’re at their new destination.

John Cox is a retired airline captain and runs his own aviation safety consulting company. He answers readers’ questions about aircraft and aviation.

This week, retired US Airways Captain John Cox does a lot of math answering questions about weight and balance and cross-country flights.

This week, retired pilot John Cox explains how the cabin pressurization system works on modern commercial airliners.