JerryG - I guess it depends on whether you mean unmanned, or fully autonomous.
Full offshore SAR (long range including visual search)
Visual search could be achieved now with drones in swarms
Rooftop construction load lifting
The US military had got KMax drones to the stage of having them approved for cargo lifting to pin-pointed locations in Afghanistan
over 7 years ago -
see AIN article
Gordy See above re US military and apply to firefighting
Summary
Technology is advancing much faster than aviation authorities can develop airspace law to cope