The flying Drones contain loot.
To loot the Drones you first need to shoot them until they drop down, and go to that location.
Once you are at the Drone crash location, look around the Drone for the loot it contained. sometimes it is hard to see because of the grass or other terrain so watch closely.
For a short video explanation click Here
The loot a Drone contain is:
- 1-2 Large Nano Meds
- 1 Random Weapon (Including the Sako Elite)
- 1 Armor (Head Armor / Legs Armor / Chest Armor / Arms Armor)