Planning

Question 1

The destination Alternate airport has CATIIIB capability. Can this be used as a basis for calculation of alternate minima?

Answer 1

No

LVO minima shall not be used as a basis to calculate minima for filing as an alternate.

Question 2

What reference contains information on likely effects of failed or downgraded ground equipment on minima?

Answer 2

Navtech Supplement “Minima”

Documents-Charts+guide-Minima

Question 3

For a take off in low visibility conditions, when is a takeoff alternate required?

Answer 3

When take off weather conditions at the departure airport are at or below the published ILS landing minima or the minima for the approach aid in use.

Question 4

What are the weather conditions required to nominate an airport as a take off alternate?

Answer 4

Crosswind within aircraft/crew limits, CATI minima including cloud ceiling, or if no ILS minima, for the approach in use.

Question 5

Normally, a take off alternate must be available within what distance?

Answer 5

747: 960nm