These are based off real fights happening in the world .
some of the green planes are players so if your having trouble finding real planes turn off multiplayer in the flight condition menu.
click on the world map and zoom in until you see green planes. Then click on the green plane and click create plan. From there fly the plan out and bleep bloop you got 10 gamer score.
TIP I found a 11 min fly time plan so if your in a rush it get this pick a short flight.
UPDATE people are saying you can pick any real fight and skip to the final approach phase and land the plane in the hot bar menu to unlock faster.