You have filed a flight plan for a flight that departs in two hours and you intent to make changes to the route, without changing destination. What is the most appropriate course of action?
According to ICAO Annex 2, in order to make changes to the route of a filed flight plan the pilot should report the changes as soon as practicable to the appropriate air traffic services unit.
ICAO Annex 2
3.3 Flight plans
3.3.4 Changes to a flight plan
Subject to the provisions of 3.6.2.2, all changes to a flight plan submitted for an IFR flight, or a VFR flight operated as a controlled flight, shall be reported as soon as practicable to the appropriate air traffic services unit. For other VFR flights, significant changes to a flight plan shall be reported as soon as practicable to the appropriate air traffic services unit.
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