How many ARINC stations are there and which are they?

How many ARINC stations are there and which are they?

• A. Two: SFO and NYC
• B. Four: SFO, NYC, LAX, JFK
• C. Three: SFO, NYC, LAX
• D. One: SFO

Answer: (A)

ARINC stations act as the main ground-network hubs used to route ARINC communications between aircraft and ground systems. In this context, the established setup consists of two primary hubs to provide broad coverage across the United States, one on each coast. So the two ARINC stations are San Francisco (SFO) and New York City (NYC). This west-coast and east-coast pairing ensures the network can handle data and voice links across the continental U.S. without needing more hubs. The other options—either suggesting only one hub or more than two—don’t match this standard two-hub arrangement described in the material.

ARINC stations act as the main ground-network hubs used to route ARINC communications between aircraft and ground systems. In this context, the established setup consists of two primary hubs to provide broad coverage across the United States, one on each coast. So the two ARINC stations are San Francisco (SFO) and New York City (NYC). This west-coast and east-coast pairing ensures the network can handle data and voice links across the continental U.S. without needing more hubs. The other options—either suggesting only one hub or more than two—don’t match this standard two-hub arrangement described in the material.