A navigation flight plan is a document prepared for use by the pilot, detailing all relevant information concerning the safe operation of an aircraft on a route flight. The flight plan also acts as a navigation log for use in flight.

The flight plan may also contain mass and balance information applicable to the flight.

A navigation flight plan may be produced manually or by computer.

A manual flight plan is normally completed by the pilot filling in fields on a printed form. For standard routes, some information concerning the route may be pre-printed on the flight plan.

Several commercial companies (e.g. Jeppesen) produce navigation flight plans under contract; these may be accompanied by a summary prepared for completion of the ATC flight plan and by aeronautical and meteorological information packages.

Software is also available for completion of computer flight plans on portable computers.