Many years ago when I was working in sporting goods stores and bait shops I talked with many old timers who went to British Columbia every year to troll for "Coho" salmon with bucktail streamers with a fly rod.

They told me they only let the flies out 10 to 20 feet behind the boat in the outboard prop wash.



Here are some videos of this kind of fishing:

https://www.youtube.com/results?sear...flies+for+coho