Surfacing (from Periscope Depth)
C – Orders “Prepare to surface” (Commander makes ready to climb ladder, Navigator/Radioman to negative tank controls, Diving Officer/Helmsman at diving station)
C – Orders “Both Great Ahead” and “Surface!”
D/H – Sets fwd planes hard up, aft up 5 deg. When boat rises, reports “Boat rising” and orders “Flood negative”. Reports depth change: “14….13….12….”
N/R – Floods negative tank, makes ready to blow ballast. Notes current position on chart.
C – Orders “Blow” and climbs ladder to hatch.
N/R – Blows ballast, awaits order from commander to stop blowing, verifies negative flood valve shut.
D/H – Reports “Hatch coming free” when at 7.5 meters.
C – Climbs topside, orders “Switch to diesels”.
D/H – Switches to diesels and back to Great Ahead.
D/H – Reports “boat is out” when fully surfaced.
C – Orders “stop blowing” and quickly scans horizon to ensure all clear.
N/R – Stops blowing ballast, stands by. (This ensures that if not all clear, boat can get back down in a hurry)
C – If all clear, orders “Blow with diesel”. (This is a historical procedure not replicated in the game, but in WP it can serve as a signal to finish blowing as well as a reminder to start the diesel if not yet started)
N/R – Finishes blowing ballast, reports “All have blown” when done.
D/H – Asks Commander if bilge may be pumped. Starts compressor and, if ordered, bilge pump.
C – “Secure from diving stations” (All are already in correct positions except Navigator/Radioman who returns to tower), orders course and speed as desired.
D/H – Unless told by commander otherwise, sets telegraph to charge batteries.
D/H – Monitors compressed air level and stops compressor when done.
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