Unless you have a personal relationship with the Chief Pilot, I would not bother calling him/her. I also feel a FAX is sufficient, but that's up to you.
"To Whom It May Concern:
This is formal notice of my resignation from Comair Airlines effective XXXX XX, 2006. I have decided to pursue other interests.
Sincerely,
Navyflyer"
There you go
"To Whom It May Concern:
This is formal notice of my resignation from Comair Airlines effective XXXX XX, 2006. I have decided to pursue other interests.
Sincerely,
Navyflyer"
There you go