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Ocelot II

(126,498 posts)
15. Not necessarily. If an airplane is well-maintained it can last a very long time.
Tue May 27, 2025, 06:22 PM
May 27

The reasons airlines retire airplanes usually have to do with factors like fuel efficiency and/or the need for new technology. The old DC-9/MD-80 series, for example, are no longer used because their engines are less efficient and because it would cost too much to install new navigation equipment. Northwest/Delta Airlines flew them for almost 40 years. The airframes were almost indestructible, but feeding them had become too expensive and the avionics were obsolete.

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