Ybacpa From United States of America, joined Feb 2001, 1108 posts, RR: 1 Posted (11 years 11 months 3 weeks 2 days 3 hours ago) and read 1398 times:
I've searched around the web for quite some time for information on what exactly are the differences between different subtypes of an airplane. I don't mean a 747-400 vs a 747-300, I mean a 747-422 vs a 747-4Q8. Does anyone know what these differences are, or a web site that explains them? Thanks
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