The U.S. Coast Guard procured three HTL-5s in 1952 (similar to the HTL-4 but powered by a Franklin O-335-5 engine) and used these until 1960.
A Garda Costeira mercou tres HTL-5 en 1952 (semellantes aos HTL-4 pero impulsados por un motor Franklin O-335-5) que usou ata 1960.