Originally Posted by
Eskimo Jet
Although the HGS is a great tool for flying single engine ILS approaches, Alaska is only authorized to fly Cat I approaches single engine. The need for a takeoff alternate is based on departure field weather, if it is below Cat I an alternate is needed.
Right. My point was that operators that are approved for CAT III single engine appoaches are usually also authorized to use lower than CAT I minimums at the departure airport to determine takeoff minimums. Horizon has this provision for the Q400.