Key facts .26 figures Operation Sandblast

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captain beach traces route of triton s submerged circumnavigation


the total mileage , duration of first submerged circumnavigation of earth follows:



nautical miles - 26,723 nautical miles (49,491 km; 30,752 mi)
dates - 24 february 25 april 1960
duration - 60 days , 21 hours
average speed of advance (soa) - 18 knots (33 km/h; 21 mph)

triton crossed equator 4 times during circumnavigation on following dates , locations:



24 february 1960 - near st. peter , paul rocks, mid-atlantic ocean (longitude 29° 32. 8 west)
19 march 1960 - near christmas island, mid-pacific ocean (longitude 155° 54 .8 west)
3 april 1960 - makassar strait (longitude 119° 05 .1 east)
25 april 1960 - near st. peter , paul rocks, mid-atlantic ocean (longitude 28° 03 .0 west)

on shakedown cruise, triton submerged total of 83 days 9 hours, covering 35,979.1 nautical miles (66,633.3 km; 41,404.0 mi). total duration of shakedown cruise 84 days 19 hours 8 minutes, covering 36,335.1 nautical miles (67,292.6 km; 41,813.7 mi).


guinness world records lists triton s submerged circumnavigation 83 days, 9 hours, 54 minutes in duration, total submerged portion of shakedown cruise. when british trimaran cable & wireless adventurer completed 74-day circumnavigation in 1998, guinness world records recorded fastest motorized maritime circumnavigation, beating previous record held triton. when interviewed travel author clive tully, retired captain tom b. thamm, triton s diving officer during operation sandblast, confirmed actual duration of triton s submerged circumnavigation 60 days, 21 hours while further noting:



the cable & wireless adventurer did not beat triton s record if took them 75 days circumnavigate earth. , if route 4752 statute miles (7647.6 km) shorter ours, aren t close.



when tully made inquiries regarding inconsistencies pertaining fastest motorized maritime circumnavition record, guinness world records response was: if department of defense care present facts, ll @ again. tully noted information had been publicly available since publication of around world submerged: voyage of triton, captain beach s 1962 account of operation sandblast. arguably, triton s circumnavigation remains fastest motorized sea vessel, beating cable & wireless adventurer s 1998 74-day voyage , earthrace s 2008 circumnavigation of 60 days, 23 hours, , 49 minutes.








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