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We hold 4 airline configurations of the ATR 42, compared side by side below. Seat counts range from 48 to 50 depending on the carrier's cabin mix, so the same ATR 42 can carry very different passenger loads. Across these layouts you'll find 3 distinct cabin classes.
Configurations from our seat-map directory, checked April 20, 2026. Open any row for the full per-airline seat map.
| Airline | Total seats | Cabins | Classes |
|---|---|---|---|
| Air France | 50 | 1 | Economy Class |
| Aer Lingus | 48 | 1 | Economy |
| Air India | 48 | 1 | Economy Class |
| Hawaiian Airlines | 48 | 1 | Coach Class |