Using the bow magall you can tow rearward and better push boats. I did that to one small speedboat to get it onto a slip so that later I can spawn a tow truck to pull it the rest of the way.

Manual engine shutdown is your friend. Though with the player missing logic powering down the engines its not absolute. The shutdown button, left side of console in red, is a tool to use when going about any extended work on deck or shore. It ensures the engines stay throttled down.

Just remember to turn it off to get the boat going again.

The inversion propellers can be lethal. Be inside the pilot house when using them. Shut them off before going back out.

They have to be up high above the normal water line so that when the boat flips they are in the water.

Outside of a flipped Columbia:

You do have a diving suit. Its in the cockpit stbd side. The side with the medical bed on the back of the first pair of passenger seats.

If you are quick... its possible to swim down... approach the door on the side that opens... open the door swim in... turn and close the door. Be sure to approach from the side without hinges, do a test dive first.

Grab the diving suit on the seats behind the medical bed.

Inversion controls are designed to be visible when upside down and a little hidden when in normal orientation. They are by the monitors near the floor (when flipped filling) and have orange coloured facing. The circuit breaker, the one with the handle, turns them on and off. The button toggles which direction they go. If one direction isn't helping too much use the button to go the other.

Warning, the inversion propellers can cause player damage and even kill you. After getting upright turn them off! Then wait a short while before stepping out. You should be okay walking around the deck in mild seas. Dont jump near the rear of the cabin until they are stopped.

Hey Brygun, you Inventive spirit ;) ... Today I tested the inversion propellers from the Columbia V3 and failed to turn the ship around. With zero wind it was easy to dive for the diving suit and put it on. I closed the door and turned on the propellers, but they drive the boat more sideways than turning it.
It didn't work with the cabin flooded or empty and even with two landing floats mounted on the roof for support it wasn't enough.
Maybe I'm still doing something wrong?

hmmm

My own test with inversion worked. However, that test was an unflooded hull. A flooded hull has much more mass and a different center of mass. A challenge for the inversion propellers is being far enough away from the center of mass to generate the torque.

I also recall having forward power going on. That is, if you have the sea room or can get the sea room, to be running the main engine at the same time as the inversion.

The inversion motors are an assist getting the boat (unflooded in tests) onto enough of a roll angle that the main propeller engages. With forward speed the regular roll stabilization will also now be assisting correcting.

If I can I'll check a flooded condition test.

Been a while since I used Columbia. I forget off hand if it has an automatic or manual deflooding system. I suspect automatic (ie water detected).

Oh... I may not have mentioned...

The engines have side air intakes with one way valves so the inversion motor getting you partially on one side now lets there be air to start the high side engine. This powers the main prop for forward motion that the roll stabilizer can use to continue the righting.

Deflooding takes a manual control, didnt put automatic sensors in.

For the pilot house (aka bridge) its a green button on the roof on the side with the medical bed.

To deflood the lower hull its to turn on the lower pump (roof toggle light blue center) and open the lower bilge drain (roof toggle red off center toward bed side) while leaving the seawater valve off/closed (dark blue).

That is drain with:
roof green
roof light blue
roof red

have off:
dark blue

Warning if seawater (dark blue) and lower cabin valve (red) are open at the same time you will be flooding the boat.

To drain flooding in the lower aft cabins you will need to manually open the doors.


So before attempting inversion recover reduce the mass to turn by:
doning diving suit
getting welders or underwater welders
fixing the hull to stop inflow
draining the water