Boeing 747SP

Boeing unveiled the 747SP in 1975 as a specialized long-range derivative of its 747 jumbo jet. The SP designation stood for Special Performance, and the aircraft was a shortened version of the standard 747, about 48 feet shorter than the original. The reduced length and lower weight gave it markedly different performance from the baseline jumbo.

Because it was lighter and shorter, the 747SP could take off from shorter runways and fly considerably farther nonstop than the standard 747. Its extended range made it well suited to the longest intercontinental routes of the era, where existing aircraft could not complete the journey without stopping.

The 747SP enabled nonstop service between distant cities such as New York and Tokyo, helping pioneer ultra-long-haul travel. Though produced only in limited numbers, it remained a notable aircraft for its range achievements and for demonstrating airline demand for direct long-distance connections.