Quote:
Originally Posted by XenonSurf
Also avoid shallow waters like the plague.
There are usually 3 or 4 depth zones:
Blue zone with > 1000 feet deep.
greyish zone with 300-1000 which is still fine;
Not always: Bright grey zone up to 250 feet, can be fine against a single escort only.
Bright white zone with less than 60 feet deep which you should avoid at day and pass quickly during night only.
XS
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+1 on shallow water patrols... If assigned a 48 hour stint in the "Jawa" Sea or the SW Yellow Sea, I'll find a location with at least 200 ft depth if possible and TC the assignment away on the surface, diving if needed.
I only attack convoys if I have at least 300 ft depth and an exit route with at least that depth available.
I prefer to have at least 100 ft "chart depth" to attack unescorted merchantmen, but a juicy target may draw me in for the attack if I can maintain periscope depth.
FWIW, on harbor attacks or photo missions, I have never run aground at periscope depth, albeit with single digit depth to keel numbers