BBC [bbc.co.uk]:
Drones are expected to play a role in coastguard search and rescue (SAR) operations in the near future.
The Maritime and Coastguard Agency (MCA) wants to make greater use of the technology as part of a new SAR contract to be awarded in 2024.
The contract also covers the continued provision of rescue helicopters, including those based in Scotland, and search planes.
...
The coastguard said unmanned aircraft could potentially visit rescue sites ahead of air, sea or land-based recovery teams.Images and other information gathered by drones could help develop the emergency services response to a situation.
How long before terrestrial drones follow their airborne brethren into service?