There are two interphones in the A220 cabin.

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Multiple Choice

There are two interphones in the A220 cabin.

Intercommunication in the cabin is set up to give cabin crew direct, two-way contact with the flight deck and with each other as needed, without overcomplicating the system. In the A220, two interphones provide adequate coverage for the cabin—the crew can reach the flight deck from two access points, which is enough for quick coordination during service or in an emergency. A single interphone would leave part of the cabin less accessible, while three or more would be more than what the design requires and adds unnecessary complexity. So two is the standard, efficient setup for this aircraft.

Intercommunication in the cabin is set up to give cabin crew direct, two-way contact with the flight deck and with each other as needed, without overcomplicating the system. In the A220, two interphones provide adequate coverage for the cabin—the crew can reach the flight deck from two access points, which is enough for quick coordination during service or in an emergency. A single interphone would leave part of the cabin less accessible, while three or more would be more than what the design requires and adds unnecessary complexity. So two is the standard, efficient setup for this aircraft.

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