I heard a rumor once that the SP in 747SP really means South Pacific, and that it was built to carry enough gas for flights from LAX to New Zealand and Australi

I heard a rumor once that the SP in 747SP really means South Pacific, and that it was built to carry enough gas for flights from LAX to New Zealand and Australia. I think the newer more fuel efficient airplanes from Boeing and Airbus have taken over that market.