Well, sorry if this whole thing has raised your hackles a bit Admiral. Given your above explanation I now remember that you mentioned something about this in your readme for OTC if I recall correctly. Also I'm reminded here that Ducimus also states in the TMO manual that pressing "D" while commanding the Balao class, and one other boat type, probably the Tench, would produce a dive which would not stop until you either ordered a new depth via a depth guage, or used the "A" key to order the crew to hold a current depth. In the end, Shado had asked a question starting a new thread, which apparently you didn't see for awhile, and I happened across that post which answered his question. Sorry if this whole thing has gotten you a bit heated up.