His helmet rolled away and fell in the river.

His helmet fell off and he didn't get up.

The loosened helmet fell from his head and rolled away.

The helmet in the crook of his arm falls to the sand.

The alien's helmet shattered as the giant fell backward, and his mates moved to take cover.

He leant forward and the helmet fell over his face.

"My helmet and mask fell on the baseball," Cerone said.

His helmet fell off and his shield bonged against the ground.

His helmet fell off and his glasses went flying.

The stairs heaved and he was flung toward the same gap through which the black knight's helmet had fallen.