Heavy rain may cause runoff ditches or patches of mud. Many fields have no fuel or fuel is available only on an emergency basis, and no other facilities are available. Guns must be left in the aircraft unless needed for an emergency. Be sure to take your fishing gear for the salmon and trout. Be wary of sandbar landings.
Soft sand can cause flip-overs on landing or too much drag for takeoff.
Sandbars may flood after heavy rains in the mountains. Tidal flats in Bristol Bay are exposed at low tide and many make hard-packed landing strips. However, they may be under water 3 hours later. Some tides are as high as 20 feet. If you land on the beaches, watch for fish lines and set net ropes.