dears all:-
there are many reason to have heavy landing
in normall case:-
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we have max takeoff wieght and we have max landing wieght and also we have manufacture max landing weight ex.
max take off 170000kgs and max landing 130000 kgs and max landing manufacture 140000 kgs
in the maintenance they have number that they know the can do heavy landing and it 's between the 130000 and 140000 kgs and after the aircraft will be on ground the report the categry of the heavy land case each categry have a kind of checks.
note if a/c not with in limit i can drop the fuel or hold untill able ot land
minima
in the up-normall case:-
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this case i have reason un controllable like fire or main controll serves crack or stack i need to be on ground as soon as possible the airport must involve in this case the landing will crash the landing gear and may be some parts of run way so the airport must accept this kind of landing to be able at
1-divert the remaining a/c flow or coordinate the flow if the a/p have another a/p (with the area control and tower).
2- advise all a/p department that the have declare emergence
there is generall rolls and special rolls for every airport
there are generall aviation roll to the airport's and special roll for evrey airport in this case