Quote:
Originally Posted by jimmbbo
I have had auto targeting lose lock in choppy seas and I usually bring the boat up to 50-55 ft to get above it.
I have also had it occasionally lose lock in calm seas with a normal setup, so there may be another gremlin...
I "cured" the problem by reengaging the target then watch it lose lock again in a couple of seconds... and again... and again... I was able to get the final lock and launch but was a minor PITA...
Perhaps an Uber Kaleun can shed some light

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As was already mentioned by Fifi above... target lock will be lost under rough seas & if the target in question is beyond a certain distance from your sub.
Not real sure of the exact minimum sea state for that to occur, but would figure it to be somewhere around light chop to moderate at the base... Know that with U boats ranges of around 4k meters or better will cause target lock loss intermittently... Don't know the range right off the top of My head for the U.S. boats but can figure I guess.. of about 3x's that for the U boats as a base figure roughly which would put it about 12k feet, or what the maximum range of NOT being able to start to get a lock is for either side.
Hope this helps.