попереднє сповіщення (про авіаційну подію)
initial contact report
notification
notification of alert
alert and readiness notification roster
Low Altitude Authorization and Notification Capability (LAANC)
Low Altitude Authorization and Notification Capability system (LAANCs)
alert notification system
Meteorological Terminal Aviation Routine Weather Report / Meteorological Aerodrome Report (METAR)
initial airhead
initial assault
initial assault landing
initial data
initial element
initial geodetic data
initial nuclear radiation
initial operational capability (IOC)
initial path sweeping
initial period of war
initial point (IP)
initial radiation
initial railway
initial sight setting
initial situation
initial training
initial velocity
initial-entry force
initial-entry training (IET)
Low-Rate Initial Production (LRIP)
pre-initial planning conference
target approach point; initial point (IP)
initial / boost phase of flight
initial round