What is a takeoff alternate in ICAO?


What is a takeoff alternate in ICAO? Alternate aerodromes may be designated as Take-off , En-route or Destination alternates. ICAO defines each of these as follows: A Take-off alternate is an aerodrome at which an aircraft would be able to land should this become necessary shortly after take-off and it is not possible to use the aerodrome of departure.


How much runway does a A380 need to take off?

When all is said and done, the Airbus A380 needs 3,000 m (9,800 ft) of runway to take off fully-loaded, while the Boeing 747-8 requires 3,100 m (10,200 ft).


When can an airport not be used as an alternate?

An airport may not be qualified for alternate use if the airport NAVAID is unmonitored, is Global Positioning System (GPS) based, or if it does not have weather reporting capabilities.


Does ATC know your alternate?

ATC receives only your filed destination, not the alternate. This is why ATC has to ask where a pilot wants to divert. To give ATC a heads up on where you want to go, you can write it in the remarks section, which is transmitted to ATC.


How far away can a takeoff alternate be?

Not more than one hour from the departure airport at normal cruising speed in still air with one engine inoperative. (2) Aircraft having three or more engines. Not more than two hours from the departure airport at normal cruising speed in still air with one engine inoperative.