Fastest circumnavigation via both Poles by aeroplane

According to Official Guinness Records,

The fastest aerial circumnavigation of the Earth via both the geographical Poles is 54 hr 7 min 12 sec (including refuelling stops) by a Boeing 747 SP piloted by Captain Walter H Mullikin (USA) between 28 and 31 October 1977. The journey started and finished in San Francisco, USA, and stopped in Cape Town, South Africa, and Auckland, New Zealand. The average speed was 784.31 km/h (487.34 mph), and the time airborne was 48 hr 3 min.

For a complete list of 1977 records, please visit 1977 Guinness Records in United States.

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