I don't necessarily hold with some of the suggestions that some of this long range SAR capability comes at additional cost.
not that much difference between a submarine requiring assistance or an airliner down if there was chance of any survivors.
see the report in the Torygraph from last month.
Elite Navy rescue team always on call to help submariners - Telegraph
These folks also have their own web page (bit old)
Submarine Parachute Assistance Group
I think they may have some bigger boats these days.
If Art had put the beast down further out and not within reach of rotary I am sure he would have been grateful for these guys help.