Aeronautical Culture
B737 Classic
Popular narrow-body aircraft on short to medium-range routes.
MD-80
Narrow-body aircraft suitable for shorthaul operations.
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The aforementioned aircraft
B737 Classic, MD-80, EMB190 and ATR, are all from different manufacturers and with different characteristics, although some compete in the regional and short to medium-haul market.
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B737 Classic
Refers to the original Boeing 737 series, which includes the -300, -400 and -500 models, launched in the 1980s. They are known for their improvements in fuel efficiency, range and capacity compared to earlier versions.
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MD-80
A series of aircraft manufactured by McDonnell Douglas (now part of Boeing), a competitor to the 737 Classic and later the Airbus A320. It is characterized by its twin rear-engine configuration and is known for its efficiency on short- and medium-haul routes.
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EMB190
An aircraft manufactured by Embraer, designed for regional and medium-haul routes. It offers a wider and more modern cabin than some of its competitors.
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ATR
ATR: A family of turboprop aircraft manufactured by ATR (a joint venture between Airbus and Leonardo). They are known for their efficiency on short-haul routes and airports with shorter runways.
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In summary
In summary: The B737 Classic and MD-80 are older models, while the EMB190 and ATR are more modern and efficient aircraft in their respective categories. The EMB190 competes with the 737NG (Next Generation) on some routes. The ATRs are turboprops and are designed for shorter routes.