Aviation abbreviation

ALSF-1

standard 2400' high-intensity approach lighting system with sequenced flashers (Category I configuration)
General

ALSF-1 stands for “standard 2400' high-intensity approach lighting system with sequenced flashers (Category I configuration)” (General usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

AL AL/(---)ALA ALACFO ALADLO ALAFFO ALANO ALARTC ALAT ALATAS ALATF ALATFO

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