Question

What landed on the island in lord of the flies?

Answer 1

In chapter 6

There is a battle above the island and a dead soldier/Pilot with parachute falls from the sky and lands on top of the island where Sam and Eric fell asleep tending the fire.

Answer 2

In chapter 6, the body of a dead pilot arrives via parachute. The pilot was killed the night before, during the aerial battle's above.