pre-flight actions for IFR flights, pre-flight checks for IFR flights, pre-flight procedures for IFR flights, preparation activities for IFR flights, pre-flight procedure, carry out necessary procedures prior to take off, undertake required actions before departure, conduct pre-flight activities, execute necessary procedures prior to take off, pre-flight check, pre-flight checking, preflight inspection, pre-flight inspection, flight time under IFR, flight time under Instrument Flight Rules, pre-flight checking, pre-flight check, before-flight inspection, before flight inspection, preflight check-out, before flight check, b-check, support flight check activities, support flight checks to ensure safety of aircraft, assist in the conducting of flight checks, in-flight refuelling probe, inflight refuelling probe, in-flight refuelling boom, IFR probe, in-flight refueling probe, inflight refueling probe, pre-flight planning procedures, instrument flight, IFR flight -*- procédures de pré-vol pour vols IFR, procédure prévol, exécuter les procédures nécessaires avant décollage, contrôle pré-vol, inspection pré-vol, vérification avant le vol, visite prévol, temps de vol en IFR, préparation pour le vol, inspection prévol, inspection avant vol, inspection avant le vol, vérification avant-vol, visite avant vol, perche de ravitaillement en vol, sonde de ravitaillement en vol, procédures de planification avant vol, vol aux instruments