olemasolev maandumisdistants, olemasolev maandumisvahemaa, kasutatav maandumisdistants
maanduva lennuki läbijooksuks olemasoleva ja sobiva raja pikkus, the length of runway which is declared available and suitable for the ground run of an aeroplane landing, the length of the runway which is declared available by the competent authority of the aerodrome and suitable for the ground run of an aeroplane landing