Aviation abbreviation

CIRVIS

communications instructions for reporting vital intelligence sightings
ATC

CIRVIS stands for “communications instructions for reporting vital intelligence sightings” (ATC usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

CI CIC CIDIN CIFP CIFR CIFRR CIG CINCNORAD CIRNAV CIRNOT CIT CIV

Source: FAA Order JO 7340.2 Contractions. Not for operational use.