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CIU Meaning

CIU Airport Meaning

If you're looking for the airport which CIU stands for, you've come to the right place. Here on acronym.io, we define the meanings of all kinds of acronyms, abbreviations and initialisms, including those of airports such as CIU. On this page you will find the CIU meaning, as well as what CIU stands for.


CIU Meaning:

CIU stands for Chippewa County International Airport


Located in Sault Ste. Marie, Michigan, CIU (Chippewa County International Airport) is classified as a nonhub airport by the FAA. You can check out more of CIU's characteristics and attributes below, including its airport code, location indicator and location identifier.


Chippewa County International Airport (CIU) Characteristics:

      City: Sault Ste. Marie
      State: Michigan
      FAA: Chippewa County International Airport
      IATA: CIU
      ICAO: KCIU
      Role: P-N

The city and state are where the airport is located, although an airport is sometimes outside of the boundaries city in which it's listed.

The "FAA" refers to the airport's location identifier, which is assigned by the FAA (Federal Aviation Administration).

The "IATA" refers to the airport code, which is assigned by the IATA (International Air Transport Association). Airports usually share the same FAA and IATA, though some do not.

The "ICAO" refers to the airport's location indicator, which assigned by the ICAO (International Civil Aviation Organization).


CIU is a commercial airport, and as such, is designated as a primary (P) airport by the FAA. All primary airports, inlcuding CIU, are grouped into four categories (hubs) by the FAA:

      P-N: Nonhub airport (has more than 10,000 annual enplanements, but less than 0.05% of total U.S. annual enplanements)
      P-S: Small hub airport (between 0.05% and 0.25% of U.S. annual enplanements)
      P-M: Medium hub airport (between 0.25 and 1% of U.S. annual enplanements)
      P-L: Large hub airport (at least 1% of U.S. annual enplanements)

CIU meaning is Chippewa County International Airport.

Chippewa County International Airport can be abbreviated as CIU.

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