initial notification 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

initial contact report

Meteorological Terminal Aviation Routine Weather Report / Meteorological Aerodrome Report (METAR)

logistics status report (LOGSTAT report)

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