There are ______ interphones in the A220 cabin.

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Multiple Choice

There are ______ interphones in the A220 cabin.

Interphone systems are the crew’s private two‑way lines for contacting the flight deck and coordinating with colleagues. In the A220 cabin, there are two interphones to provide access from different parts of the cabin, so a crew member in either area can quickly reach the cockpit or communicate with other crew without moving to a single location. Having just one would create coverage gaps, and more than two isn’t needed for this cabin size. So two interphones is the practical, efficient setup. (This is separate from the passenger PA system used for announcements.)

Interphone systems are the crew’s private two‑way lines for contacting the flight deck and coordinating with colleagues. In the A220 cabin, there are two interphones to provide access from different parts of the cabin, so a crew member in either area can quickly reach the cockpit or communicate with other crew without moving to a single location. Having just one would create coverage gaps, and more than two isn’t needed for this cabin size. So two interphones is the practical, efficient setup. (This is separate from the passenger PA system used for announcements.)

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