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Selected records. Source: National Aeronautic Association

  • Great Circle Distance Without LandingInternational: 2,213.04 mi; 3,561.55 km.Robert G. Ferry (U.S.) in Hughes YOH-6A helicopter powered by Allison T-63-A-5 engine; from Culver City, Calif., to Ormond Beach, Fla., April 6–7, 1966.

  • Distance, Closed Circuit Without LandingInternational: 1,739.96 mi; 2,800.20 km.Jack Schweibold (U.S.) in Hughes YOH-6A helicopter powered by Allison T-63-A-5 engine; Edwards Air Force Base, Calif., March 26, 1966.

  • Altitude without PayloadInternational: 40,820 ft; 12,442 m.Jean Boulet (France) in Alouette SA 315-001 Lama powered by Artouste IIIB 735 KW engine; Istres, France, June 21, 1972.

  • Speed around the World, Eastbound40.99 mph; 65.97 kph.Joe Ronald Bower (U.S.) pilot, in Bell JetRanger III, powered by one Allison 250-C20J (317 shp), covered 23,800 mi in 24 days, 4 hr., 36 min. June 28–July 22, 1994.

  • Speed around the World, Westbound57.01 mph; 91.75 kph.Joe Ronald Bower (U.S.) pilot, John W. Williams (U.S.), co-pilot in Bell 430 powered by 2 Allison 250–C40, (811 shp), Aug. 17–Sept. 3, 1996.

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Absolute World Records, Balloons

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TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

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Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

African Americans by the Numbers

Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

  • Did Birds Evolve from Dinosaurs?
  • The Twelve Dancing Princesses
  • Current Events This Week: January 2023
  • African Americans by the Numbers
  • Andersen’s Fairy Tales: Contents
  • The Celtic Twilight: A Teller of Tales