A small hatch stood open and was just large enough to admit a full-grown man.

The Thing opened a small hatch on its top.

The manager stepped to a small hatch in the wall.

Here, on either side of the ship, were two small hatches.

The hold was accessible only through a small hatch.

After a while there was a scraping on the other side and a small hatch opened.

He pushed through a small hatch and into the ship's bridge.

There's a small hatch in the rear most probably used to make repairs easier.

Then he opens the small hatch that provides access to the shaft.

They had squeezed through a small hatch and out into the murky water.