Maneuver yourself via hydrophone and wait for daylight.
You will probably have minimal visability but if you line youself up correctly you'll be fine. Find your target, you should be able to see it in obs scope at a distance of under 200mt then just backaway.
There is a good 'glitch' that will help you here. Even though you can't see the target you can still lock on to it with the scopes.
IIRC you may have to input your TDC data maually if you use this glitch.(but if it's a stationary target, no probs)
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