a set of rules governing the conduct of flight under instrument meteorological conditions, reeglid, mille alusel toimub lendamine instrumentaallennuilma tingimustes
a set of rules governing the conduct of flight under instrument meteorological conditions, reeglid, mille alusel toimub lendamine instrumentaallennuilma tingimustes
IFR . EKI terminibaas Esterm. Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//esterm/IFR/1/est (08.07.2026)