The Biblical landing place is believed to be Mount ARARAT, a mountain in Turkey, which is six letters long. The other solutions are all places where aircraft can land. A PIER is a structure built out into the water from the shore, and is four letters long. A QUAY is a wharf or dock, also four letters long. A helipad is a landing pad for helicopters, seven letters long. A ROOF is a structure on top of a building, four letters long, and an AIRSTRIP is a runway for aircraft, eight letters long.