Additional Flight Plan的用法和样例：
- CA101, what is your flight plan level?
- When they had completed that objective, the flight plan called for them to fly an additional 67 miles east, then turn north for 73 miles and finally straight back to base, a distance of 120 miles.
- Please see the Flight Planner below for details.
- ATC clears you to Karachi via your flight planned route.