Scuba Diving Cruises

Surtrek

Surtrek Tour Operator
Avenida Amazonas 897 y Wilson
Quito-Ecuador
Tel: 00593 2 2231534
00593 2 2500530
Mobile: 00593 9 9735448
Fax: 00593 2 2500540

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Galapagos Scuba Diving Cruises

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Current Flying After Diving Guidelines

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General Comments:
Experimental trials indicate the risk of decompression sickness (DCS) decreases as the preflight surface interval increases. Based on these studies, the workshop reached the following consensus recommendations. These recommendations apply to flights at cabin altitudes between 600 metres/2000 feet and 2400 metres/8000 feet and to divers who are without DCS symptoms. Work by Buehlmann, which was used by the US Navy Diving manual, suggests that immediate ascent to 600 metres/2000 feet altitude is possible with low DCS risk. In 1999, the US Navy adopted more flexible procedures based, in part on Buehlmann and Vann et al. Following these recommendations reduces DCS risk but does not guarantee that a diver will avoid DCS.

  • Single Dives - A minimum preflight surface interval of 12 hours is suggested.
  • Repetitive Dives and/or Multiday Dives - A minimum preflight surface interval of 18 hours is suggested.
  • A minimum preflight surface interval greater than 18 hours is suggested.

Flying after diving recommendations need not be considered for flights to ambient/cabin pressures less than 600 metres/2000 feet.



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