This might be more suitable in the military forum, but it fits here too. I know it's getting anal, but are there any potential dangers from flying at altitudes lower than 1000 ft AGL (probably no more than 1300 ASL) after diving? Part of my job requires me to conduct flights of this nature and sometimes the lead up time is less than 24 hrs.
Flying after diving
- Thread starter Armymutt25A
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john1bl
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are y ou the pilot??
RonFrank
Contributor
I live and dive at altitude. I live at close to 9000', and dive at anywhere from 5000'~10,000'. I don't push NDL's, and generally give my self several hours between a 5000' dive, and driving home.
I've never had issues, so I would think if you are not going up more than 1000', you will be OK. Better yet if you do have at least 12 hours to off gas.
I've never had issues, so I would think if you are not going up more than 1000', you will be OK. Better yet if you do have at least 12 hours to off gas.
OP
john1bl
Registered
Don't push it. You are not in control of the altitude and your pilot might have to climb to 10,000 ft for some odd reason(like the gloryridder wants to see DCS in person) and you will be bent and the pain will not be there until after you jump and land. You can still dive but Don't get fully loaded with N2 unless you are on leave.
john1bl
Registered
OH I don't know how narcotic O2 is at high PPO but at low PPO it is a blast at least at 14,000 ft
Blackwood
Contributor
Short answer: no.
Long answer: http://www.scubaboard.com/forums/ne...45246-18hr-flight-ban-valid-after-5-dive.html
Long answer: http://www.scubaboard.com/forums/ne...45246-18hr-flight-ban-valid-after-5-dive.html
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24 hours is horse pucky sugested by physicians who will be held legally responsible for their suggestions. The military recommendation is that you be in U.S. Navy Group-C before ascending to 8,000 ft. 2 hrs. of surface oxygen will take you from Group-N to Group-A.
If you really don't have any chance of going above 1,300 feet and you can breathe pure oxygen from the time you get on the plane, then I would not be particularly concerned. If you're flying in a Herc that's even better, they can pressurize to sea level, at least until they drop the ramp.
If you really don't have any chance of going above 1,300 feet and you can breathe pure oxygen from the time you get on the plane, then I would not be particularly concerned. If you're flying in a Herc that's even better, they can pressurize to sea level, at least until they drop the ramp.
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bleeb
Contributor
For your own education, and depending how willing and able you are to try to compare opinions to quantify the risks, you might want to have a look at the NOAA Required Surface Interval Before Ascent to Altitude table. As the fine print says, make sure you use the letter groups from the NOAA tables since every table publisher's groups may be different.
Second that. Even during a training exercise, you never know when the pilot will suddenly be told to go do something else completely different in a great hurry.
Another possible source of information is to talk to your pilots and find out what rules they operate under. If you do, I think at least a few us would be curious to hear what you find out.
Second that. Even during a training exercise, you never know when the pilot will suddenly be told to go do something else completely different in a great hurry.
Another possible source of information is to talk to your pilots and find out what rules they operate under. If you do, I think at least a few us would be curious to hear what you find out.
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Where did you hear 24 hours? DAN reduced that years ago, but we keep hearing that...??
We have had a number of discussions on this, and your best bet would probly be to
Dr Deco forum for "flying," but some of them were here. Since this has been so well covered, I'll just highlight some answers....Nope, no risk at all if you don't go over 1,000.
Even if your puddle jumper gets higher, not likely you'll have a problem - and if you did, you were probly already bent anyway.
Wear a cap on wet hair so wind does not cause a chill.
There is a lot more information should you want to give more details so as to narrow down the collection of answers. I used the NOAA Dive Manual tables to computer my SI before flying a few times, once cutting it safely down to 6 hours before flying a commercial jet.
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