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 . Lennunduse terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://127.0.0.1:5577/search/unif//len/IFR/1/est (09.10.2026)