Derived Alternate min Flashcards
What method is used by most air carriers to determine the min wx conditions to legally use an alternate?
Derived Alternate mins
Where would a dispatcher look for the airlines alternate minimum policies?
Ops Specs C055
What is the One NAVAID rule?
airports with only one NAVAID or runway will have to add 400 ft to HAT and 1sm to the authorized CAT 1 Landing mins
What is the Two NAVAID rule?
if there is two seperate NAVAIDs with two different frequencies and two seperate runways, add 200 to HAT and 1/2sm to the higher suitable CAT 1 landing mins
Which rule do you use for circling approaches?
One NAVAID rule
What do we use if the charted minimums for filing are higher than the one navaid rule?
we would use the charted minimums
What are the situations where we must have more than one alternate?
Exemption 17347
Marginal