PixieBaronicsi t1_j6j4ox4 wrote
Reply to comment by deformi in eli5: Why do most airlines still use 2-pin audio jacks for the in-flight entertainment systems on their planes? by JJGLC92
Additionally a model of aircraft will probably be in production for 20 years, so for each model there will be 40 years or so from the first one rolling off the assembly line to the last one being scrapped
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