Market Presence. The age of the B757 is clearly showing. At more than 30 years of age, the systems and specification are clearly at a disadvantage compared to newer equipment. The avionics for example require to be upgraded if they are take full advantage of new ATC opportunities and Rockwell-Collins is offering just such an upgrade. The success of the B757 has been due in no small part to its operational versatility but age, capacity and absence of fleet commonality continue to take their toll. The power to weight ratio is of particular relevance allowing operation from runways that can cause problems for alternative equipment. The addition of winglets has further improved operating economics.
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