ATR has been quietly developing new system upgrades for its ATR 42/72 regional turboprops, which appear to have surprising potential for evolution. For operators happy with turboprop engines in that aircraft size, it means they can count on a constantly updated product with better performance, improved reliability and reduced costs. A perception problem, however, has yet to be solved, as a non-negligible proportion of passengers continue to consider turboprops to be old technology. The most ...

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