Orange lights over Dungloe/Burtonport

Hi,

Just wondering if anyone else has seen this?
I was driving from Dungloe to Burtonport using the coast road about 8.30 today (20th Feb) and seen 4 bright orange lights over Dungloe bay flying low and looked to be going in the direction of Arranmore. Could tell they weren't planes as flying too low and too slow, thought they might be helicopters but why 4 of them? One seemed to get very faint and only three were very visible the whole time.
As I was pulling over a lane to my house and turned back to look after I stopped the car they had disappeared (maybe cloud cover but unlikely, maybe dropped to a lower altitude or something).
Curious to see if anyone else in the area seen this or knows what sort of situation would explain it? (I thought search and rescue, but am very familiar with families in the area and would have heard).