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RogerZZ

Lung Problems and Jumping

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Hi,
I'm new here but I have wanted to jump for a long time.
The bad news is that I was diagnosed with a genetic lung disease a few years ago and I am wondering if there is a minimum requirement for pulmonary function in order to jump.
I have a doctors appointment coming up and I am going to run the idea of jumping past him then.
He cleared me for participating in road racing two years ago so I am hoping that I will be able to jump as well.
Any information would be appreciated,
Roger in Kentucky

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The problems you may see:

1. Temperature. It will often be cold at altitude; if you have a problem breathing cold air, skydiving may exacerbate it.

2. Oxygen. At altitude you only get 60-70% of the 'normal' amount of oxygen; if you have a diminished lung capacity you may get hypoxic.

3. Pressure. Skydiving involves rapid pressure changes during climbd and descent; that may be a problem.

4. Inavailability of medical care. If you have a condition that you can treat (with an inhaler or something) there will be times during skydiving (the freefall, under canopy) where you will be unable to treat yourself. In some cases (i.e. high opening) that could be as long as 20-30 minutes.

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I recommend you get in touch with a flight surgeon. That person will be better qualified to assess your participation in skydiving due to his/her training in how altitude affects your condition.
Skydivers don't knock on Death's door. They ring the bell and runaway... It really pisses him off.
-The World Famous Tink. (I never heard of you either!!)
AA #2069 ASA#33 POPS#8808 Swooo 1717

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Thank you all for the information.
The wind and low temperatures may be a show stopper for me.
The website for my local dropzone advertises an altitude of 9500 feet for their tandom jumps.
What is the air temp at 9500 feet?
A consult with a flight surgeon is an excellent idea.

Thanks again for all of your suggestions,
Roger

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depends.

Normally it's -6 C for every 3000 feet...
so if it's 20 C on the ground (0 feet ASL) than at 9500 feet it should be approximately 1C

But it can be warmer at 9500 than on the ground if inversion occurs.
"George just lucky i guess!"

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The basic rule on temps at altitude is a loss of 3 degrees F per 1000 ft. However, this can vary dramatically with the status of the weather. Consult a weather station that has wind and temps aloft for the most accurate estimate of what is going on. See ya up there.
Skydivers don't knock on Death's door. They ring the bell and runaway... It really pisses him off.
-The World Famous Tink. (I never heard of you either!!)
AA #2069 ASA#33 POPS#8808 Swooo 1717

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Quote

Greg,
Thanks for the information.
Unfortunately that kind of drop in temperature is out of bonds for me given my medical condition.



I don't think I have ever heard a better argument for a static line program!

Contact a few local dropzones and investigate static line or IAD jumps. These jumps generally happen at about 3,500 feet, and the parachute opens immediately. There is not much difference in temp., and very little sudden pressure change.

The SL/IAD programs take a student up gradually with altitude and freefall delays increasing on each jump so you will have a chance to limit your exposure and feel how your body responds.

The big issue you may have with these programs is that stress sometimes aggravates medical conditions. And, as Bill pointed out, there will be brief periods when you will not be able to use an inhaler or have access to assistance.

Check out a few local DZ's and their programs, then discuss the issue with your doctor.

Tom Buchanan
Instructor (AFF, SL, IAD, Tandem)
S&TA
Author JUMP! Skydiving Made Fun and Easy
Tom Buchanan
Instructor Emeritus
Comm Pilot MSEL,G
Author: JUMP! Skydiving Made Fun and Easy

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