Supply Drops are random events, similar to Helicopter Crash Sites and Mod:Infected survivor camps. Supply drops spawn large numbers of Canned Goods, Soda Cans, Tents, Medical Boxes and Medical Supplies and Food Boxes. Supply Drops do not spawn weapons.
Supply drops can be found in open fields anywhere on the map, similar to Helicopter Crash Sites. They are relatively common, and do not spawn any Zombies.