Thread: 4-Player SOPs
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Old 04-22-19, 08:48 PM   #5
derstosstrupp
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Crash Dive
C – “Alarm!”

D/H – Sounds alarm bell.

Remaining procedures same as test dive except as follows:

1. Diving officer/helmsman sets Full Ahead instead of Great Ahead at outset.

2. Diving officer/helmsman establishes initial down angle of 8-15 deg, and once past 20 meters, increases down angle to 15-30 deg to “drive” the boat to depth at Full Ahead.

3. Commander may want a 90-deg course change once below the surface, in which case the dive officer/helmsman will initiate this on his command (or automatically if desired by commander).

Depth Changes

1. Normally done at Half Ahead (Great Ahead if emergency). Diving officer/helmsman reports “Boat rising/falling/steady” according to situation.

2. If coming up from depth, perform a sound check at 20 meters, then a scope check at periscope depth prior to surfacing.
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