No, im talking about the hot air balloon
All Easter Eggs so far
Go to X:4249, Y:25990 coordinates to find a Bubble Gun.
Hot air balloon
Go to X:7392, Y:16151 coordinates. You can ride the balloon by shooting off the sandbags.
I Am Legend reference
Go to X:18207, Y:21543 coordinates to find a chair and desk at the end of a pier, similar to the scene in I Am Legend.