To conform with "best practice", can you be signalman for a crane operation and stand-by for a colleague who has entered a cargo tank at the same time?

Yes.

No.

Normally no, but if we are in a hurry to get lots of jobs done before entering port and the Chief Mate knows about it, then it is alright to do so.

Yes, provided I have radio contact with the man inside the tank.

I don't know

1 answer

No.