A checklist is a tool that is used as a human factors aid in aviation safety to ensure that a long list of items are not forgotten. It is needed due to the limitations of human memory. Checklists are also used elsewhere. Some examples are a to do list or as preparation for a trip.

A checklist has been found to be useful in medical practice to ensure that clinical practice guidelines are followed.

External link

• How the pilot's checklist came about (http://www.ama500.jccbi.gov/afss/History/checklst.htm)