Alternate airports

Question 1

This airport is below the weather minima but above the landing minima

Answer 1

Suitable Airport

Question 2

If two airports are Suitable, which one do we use?

Answer 2

Decide

1. Which one is closer?
2. Which one has the better weather conditions
3. If both have bad weather but above Landing Minima, which one has the better Navigation Aids

Question 3

Differences between suitable and an adequate airport

Answer 3

1. Adequate Airport: “TP/FEW/CLAN”
   safe for TO&Land, Performace requirement for expected landing weight, Fuel service, Emergency service, Weather reporting, Communications, Lighting, ATC, Navigation aids
2. Suitable Airport:
   Adequate Airport + [actual weather at the time is above minimum requirements or airport is within operating hours or no accidents/incidents preventing a landing (ex. stopped aircraft on the runway)]

Question 4

What is the NM equivalent of 1 hour alternate airport distance at all times, enroute for single engine requirement equivalent. Does this consider wind?

Answer 4

384nm in still air. Does not consider wind as a factor