Author: John Cox, Special to USA TODAY

In this week’s Ask the Captain column, John Cox considers stricter rules for passengers bringing emotional support animals on planes.

Can pilots choose not to fly the Boeing 737 Max once it returns to service? Captain John Cox runs down their options in his Ask the Captain column.

Captain John Cox explains what pilots do in the event they lose power and whether the working engine is inspected after a flight when the other fails.

Captain John Cox fills you in on why pilots sometime burn off fuel before landing and why there often seems to be turbulence at some airports.

This week, Ask the Captain tackles passengers who slow down evacuations to grab their carry-ons and use their cellphones during takeoff and landing.

On long flights, what does the crew do to avoid boredom after the flight computer has taken control of the aircraft?

How are cargo holds configured in aircraft? Are there separators or some other device such as nets used to restrain the items?

Some airports have speed limits but more often airplanes willhave a limitation in the flight manual for maximum taxi speeds.

Some airports are very challenging in terms of terrain, runway length or airspace.

In heavy turbulence it can feel like the airplane is going up and down long distances.