Never tipped a pilot yet and I've flown to remote work sites a lot. I think it would insult them. I have worked for tips before but do not expect anyone to tip me for working on their equipment. You have a steady well paying job and you expect tips? If you ask I am sure some one will give you some smoked fish. I guess if you count smoked fish, crab, clams and moose and deer meat, I guess I have received tips.