6 Sinking
.1 I am / MV ... sinking after collision / grounding / flooding / explosion / ...
.2 I require / MV ... requires assistance.
.3 I am / MV ... proceeding to your assistance.
.4 ETA at distress position within ... hours / at ... UTC.
.7 Disabled and adrift
.1 I am / MV ...
~ not under command.
~ adrift.
~ drifting at ... knots to ... (cardinal points).
.2 I require / MV ... requires tug assistance.