Preflight fuel planning is the process of determining the appropriate amount of fuel to be loaded for a specific flight. Fuel planning can be accomplished manually by referring to the appropriate charts and graphs or electronically utilizing a fuel planning programme or service. In either case, preflight fuel planning should ensure compliance with Regulatory requirements, Company policy where applicable and with the day of flight specific criteria of aircraft, crew, payload, fuel tankering, de-icing requirements, origin, route, notified airspace, destination, alternates, Notice To Airmen and weather.