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After SCUBA diving (to more than 10 m depth) you have to wait a period of time before flying. This period is at least..
  • A
    24 hours.
  • B
    48 hours.
  • C
    12 hours.
  • D
    6 hours.
Most divers know air travel immediately following a scuba dive increases the amount of nitrogen in your body tissues and can lead to decompression sickness. The following guidelines apply to air dives followed by flights at cabin altitudes of 2 000 to 8 000 ft:
  • For snorkeling, no time interval required;
  • When swiming with compressed air, a minimum preflight surface interval of 12 hours is suggested;
  • For a single no-decompression dive (up to 10 m/30 ft), a minimum preflight surface interval of 12 hours is suggested;
  • For multiple dives per day or multiple days of diving, a minimum preflight surface interval of 18 hours is suggested;
  • For dives requiring decompression stops (depth over 10 m/30 ft), a minimum preflight surface interval of 24 hours is suggested.

EASA AIR OPS
Regulation (EU) No 965/2012
GM1 CAT.GEN.MPA.100(c)(2) Crew responsibilities

ELAPSED TIME BEFORE RETURNING TO FLYING DUTY

24 hours is a suitable minimum length of time to allow after normal blood donation or normal recreational (sport) diving before returning to flying duties. This should be considered by operators when determining a reasonable time period for the guidance of crew members.

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