Aviation abbreviation

ALTWR

ALTWR stands for “all ATC towers in service area” (General usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

ALAL/(---)ALAALACFOALADLOALAFFOALANOALARTCALATALATASALATFALATFO

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