Approximately the same as it's own length or 250 metres, but there have been recorded emergency dives to 350 metres which crews have survived.
Modern submarines are better engineered with stronger steel and can dive deeper.
Some U-boats were lost when the valves to their toilets burst. Toilets could only be used at periscope depth (25m) or when surfaced.
The u boat can dive 200 to 250feet deep
They can dive up to 500 feet deep.
Dive Deep was created on 2008-01-28.
A Rockhopper Penguin can dive as deep as 100 m.
Dive Deep - Quintessence album - was created in 1971.
Harbor Porpoises will dive as deep as 656 ft. (200 meters)
The HM Dive is not in SoulSilver or HeartGold, for there is no deep water to dive into.
You have to go to Undella and get the HM dive. Then you can dive (:
Fin whales (Balaenoptera physalus) can dive as deep as 470 m (1540 ft).
I Believe The Narwhal Can Dive Around 400-475Ft. Deep Before Pressure Becomes Too Unbearable For Them To Handle.
The blue whale can dive for 10-20 minutes and dive for 500 metres deep.
Classified.