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Fly and Dive?

Discussion in 'Basic Scuba Discussions' started by MarkSteffen, Feb 20, 2020.

  1. MarkSteffen

    MarkSteffen Angel Fish

    # of Dives: 0 - 24
    Location: Portland, OR
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    I'm going to be in Costa Rica for a 4 nights. Refresh my memory. I can fly THEN dive, but I can't dive THEN fly, right? So, if I'm there for 4 nights, I'll want to do my dive by the 3rd morning. correct?

    Tried to google this and got 9 million different answers.
     
  2. UFOrb

    UFOrb Manta Ray

    # of Dives: 50 - 99
    Location: Brighton, UK
    516
    244
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    You are correct.
     
    MarkSteffen likes this.
  3. dharma diver

    dharma diver Angel Fish

    # of Dives: 50 - 99
    Location: California
    20
    13
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    Hi MarkSteffen, no diving 24 hours before a plane ride is my default. #safetyfirst
     
    MarkSteffen likes this.
  4. Lorenzoid

    Lorenzoid idling in neutral buoyancy

    # of Dives: I just don't log dives
    Location: Atlanta, USA
    9,460
    6,089
    113
    You've got it right. The rule of thumb accepted by most of us is no flying until 24 hours after your last dive. At one time DAN suggested 18 hours might be a safe enough minimum, but I believe they have since questioned whether that is conservative enough. It's all statistical, and the longer the period between your last dive and the flight, the lower the likelihood of symptoms arising. As I understand it, after 24 hours, the incidence rate is vanishingly low.

    (Gosh--two replies showed up while I was typing this.)
     
  5. NTJB

    NTJB Angel Fish

    50
    8
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    I also use the 24 hour rule before any flight and I've definitely headed straight to the dive boat from the airport on a few vacations!
     
  6. rhwestfall

    rhwestfall Solo Diver

    # of Dives: 200 - 499
    Location: "La Grande Ile"
    13,242
    12,714
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    The "fly then dive" can be questionable with excessive fatigue and dehydration (and the type of dive), but not nearly as risky compared to "dive then fly".

    YMMV
     
  7. DeepSeaExplorer

    DeepSeaExplorer Solo Diver

    # of Dives: 500 - 999
    Location: Cave Country
    1,241
    398
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    I have done morning dives on the day before flying without issue. Keep dive times conservative, stay shallow and use Nitrox.
     
  8. tursiops

    tursiops Marine Scientist and Master Instructor ScubaBoard Supporter

    # of Dives: 2,500 - 4,999
    Location: U.S. East Coast
    8,703
    6,424
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    Doubtful. Maybe you need to work on your Google-fu. :wink: Try "flying after diving" with the quote marks.
     
    eleniel and Damselfish like this.
  9. Steve_C

    Steve_C Divemaster

    # of Dives: 500 - 999
    Location: Raleigh, NC USA
    4,199
    2,839
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    Depending on flight times a morning dive usually gives you 18-28 hours so that is within recommendations

    Also depends on how aggressive you have been diving and for how long before that.
     
    DeepSeaExplorer likes this.
  10. tkaelin

    tkaelin Solo Diver

    # of Dives: 500 - 999
    Location: CT
    1,841
    1,058
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    Not sure this is an actual rule but I have been diving long enough and have spoken with enough experienced dive ops who discourage jumping right in to start diving just after you land that I have adopted the same rule for my diving. I now usually skip diving the day of arrival.
     
    Lorenzoid and rhwestfall like this.

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