Port cranes were almost all luffing jib cranes, often with a long reach. The battens will tame the luffing sails. It has a maximum height of and has a luffing jib. Later LSIs and those being refitted were provisioned with luffing davits of a crossbeam type. Ardelt also makes single jib-level luffing cranes and balancer cranes. When he later learned about the sailing term, "luffing", he was delighted by the coincidence.