MONK, definately not a stupid question. If you use Jeppesen chart products can I suggest that you read page 115b in the Introduction. If you use AsA products then read
this.
3 Holer The link you posted for PANS-OPS is for a course only, not the manual. Funnily enough about two weeks ago I was trying to find an on line version of PANS-OPS myself, does anyone know if they exist?