Alternates

Question 1

Take Off Alternate?

Answer 1

1 hour flight time
one engine inop cruising speed
still air at ISA
actual TOW

Question 2

At least 1 destination alternate shall be selected for each IFR flight unless…

Answer 2

-duration of flight from TOF-LDG not exceed 6 hours
-2 separate rwy available and usable at destination
-weather 1 hour before and after ETA ceiling will be 2000 ft or circling height + 500 ft, whichever greater, VIS 5 km
-

Question 3

At least 2 destination alternate shall be selected for each IFR flight unless…

Answer 3

• the appropriate weather reports indicate that 1 hour before/after ETA weather will be below applicable minima
• no meteo information available

Question 4

Isolated aerodrome fuel amount?

Answer 4

Alternate and final reserve fuel required to the nearest adequate destination alternate is more than fuel to fly for 2 hours at normal cruise consumption above the destination aerodrome.

Question 5

A/c shall not proceed from PDP to isolated destinations if…

Answer 5

• when weather reports/forecast indicate that 1 hour before and after will be below planing minima
• when the info is known that at the time of arrival to destination there will be air traffic delays preventing timely arrival to the destination