The depth of the sub is measured at the keel not the top of the mast. Even at 100 ft depth, the top of the parascope supports could be as close as 60 feet under the surface. Low flying aircraft could see submerged subs near parascope depth when flying directly overhead. Fortunately, surface reflections make the sub less visible fron an angle. The depth you set in the depth control tool is the depth you get when the boat settles out. The method or speed at which you obtain that depth has nothing to do with the final result. Most the sub models in the game will use 15 to 18 feet of draft at the surface, so when you descend to 100 ft, you have only dropped your keel by 85 to 90 feet. The smaller the sub, the less visible you are at any given depth.
The angle you use on your external camera also may fool you as to the effect of depth on the visual model. Just because your camera is washing out doesn't mean the submarine is at the same depth as your camera.
These realizations have probably come to you as a result of this:
1) parascope depth is not very deep.
2) you can never seem to go deep enough when trying to evade a determined enemy.
3) you can make contact with surfaced ships at parascope depth and aren't really 'safe' until submerged over 100' from most large ships.
-Pv-
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