1A stands for:

  • Slang for some of the highest quality, see class
  • Amadeus (CRS ) to IATA airline code
  • Astra 1A, a television satellite of SES Global
  • Exhibition Hall 1A in the school Straße 1a, Frankfurt -Sachsenhausen
  • Chevrolet 1A, a car model
  • IA TV, a private television channel in Berlin
  • Meltwater pulse 1A, a time of rapid deglaciation at the end of the last ice age

1a is:

Ia available for the following military functions:

  • Chief of Staff, see Chief of Staff
  • Operations officer of the military service
  • Disambiguation
  • Abbreviation