ese või eseme (alumine) osa, mille peal miski on, millele miski toetub, kinnitub
alumise pilve alapiiri püstvahemaa maa- või veepinnast, the height of the base of the lowest observed or forecast cloud element in the vicinity of an aerodrome or operating site or within a specified area of operations, normally measured above aerodrome elevation or, in the case of offshore operations, above mean sea level
base 1 . Lennunduse terminibaas. Институт эстонского языка, Сынавееб 2026. https://127.0.0.1:5577/search/unif//len/base/1/eng (09.10.2026)