Commercial: not later than 30 days before the planned day of the first flight. Amendments and supplements to the application for granting an approval shall be submitted not later than 10 days before the first flight in accordance with the amended and supplemented request is planned.
for individual charter flights, not later than 3 days before planned operation of the first flight;
for series of up to 4 charter flights, not later than 7 days before planned operation of the first flight;
for series of more than 4 charter flights, not later than 15 days before planned operation of the first flight.
Flight plan originator shall submit flight plan at least 30 minutes before estimated time of departure.
For flights into areas subject to air traffic flow management (ATFM), it is recommended that flight plan is submitted at least 3 hours before EOBT.
Private flights: Flights for private purposes or other general aviation flights, where no approval from item 1.3 is required, may be operated on the basis of a submitted flight plan.