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BOEING 747SP (PWC744)
En approche pour CYMX au dessus de Rosemère, QC CANADA, Altitude 3200 pi.
Pratt And Whitney Canada possède 2 de ces avions qui sont en fait des laboratoires volants. Dotée d’équipement de pointe, (ce sont des Boeing 747SP modifiés) ils servent aux essais de moteurs. Comparativement aux avions utilisés auparavant pour les essais, les nouveaux Boeing offrent un meilleur rapport performances/poussée.
Les moteurs en essais sont attachés sur le fuselage même de l'avion:
https://www.youtube.com/watch?v=cIB7C5LfAi0
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You will find all information about this plane on this video ...
https://www.youtube.com/watch?v=cIB7C5LfAi0
https://www.youtube.com/watch?v=cIB7C5LfAi0
The 747SP was (perhsps a handful are still flying) a weird plane to look at. The only word I have used to describe it was "chubby". This was the first commercial aircraft to make the Hong Kong / San Francisco route nonstop back in the 70s, but I cannot remember whether it was Pan Am or United (or perhaps United purchased the Pan Am plane when Pan Am went belly up). Anyway, the curious point about that sector was that the SP could only do the eastbound flight nonstop, but not the westbound flight due to the winds.
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