So, there you are, willing to squeeze in the last dive before leaving your dream destination. Nonetheless, we cannot forget the most important thing is that everything go smoothly during your travels. During diving, our body accumulates more nitrogen and it takes some time to eliminate. Nitrogen takes hours, on average, to return to normal surface levels in your body. As you know, nitrogen is a gas whose uptake and release by our body is affected by pressure.
When we are flying, the atmospheric pressure decreases with respect to what we had at sea level. Many factors can affect the calculation of the time we have to wait to fly after diving: the altitude at which you are going to fly, the depth you dove, the kind of diving you practiced and even your physical conditions. It is also true that all of them agree that waiting 24 hours to fly after diving offers the greatest safety guarantees. To be more exact, the studies carried out by DAN Divers Alert Network have obtained great acceptance by the diver community.
Neither professional diving nor Nitrox diving adheres to these recommendations:. To help divers in these calculations, dive computers are a great ally. These devices, currently, can calculate the optimal waiting time to fly after diving and do these calculations based on the dives you have made. If you do not have your own dive computer and you must rent one, use the same one for all the dives you will do.
In this way, you will ensure that the calculations of the device are not biased. Although there should not be any problem to dive after flying, remember to hydrate properly during the trip. Since dehydration is a factor that makes it difficult to eliminate inert gases and as you know, nitrogen is one of them. Diving in the field involved immersion, exercise and multiple days of diving, while the chamber trials occurred on a single day with dry, resting divers. The chamber trials may not have adequately simulated flying after diving.
It is more common for divers to fly with DCS symptoms than to develop symptoms during or after a flight. Flying with symptoms may be a greater health problem than symptoms that arise during or after a flight. Divers should seek medical advice and avoid flying if they note signs or symptoms that may indicate DCS.
The workshop proceedings stressed that because the experimental trials described in the workshop used a dry hyperbaric chamber with resting volunteers, the guidelines might need to be longer for divers who were immersed and exercising. The participants determined that the effects of exercise and immersion on preflight surface intervals would need an experimental study. Additional studies have occurred and results are awaiting publication. Representatives from the recreational diving industry and experts from other diving communities had two goals: To review the guidelines and experimental data developed since the first flying-after-diving workshop in To achieve a consensus for new flying-after-recreational-diving guidelines The previous consensus was to wait 12 hours after a single no-stop dive, 24 hours after multiday repetitive dives and 48 hours after dives that required decompression stops.
The Consensus Process The workshop participants endeavored to reach consensus concerning: Whether flying-after-diving guidelines were necessary for recreational diving Whether the current guidelines were adequate What the longest-duration guideline might be If shorter guidelines were appropriate for short dives The participants determined that guidelines were needed, and the available evidence demonstrated that existing guidelines were inadequate. So, we have already established that the reason why you can scuba dive after flying is because it is not at all similar to flying after scuba diving.
In a plane, you are not breathing in nitrogen. It is extremely dangerous. DCS is when the nitrogen leftover in your lungs and the rest of your body from breathing in compressed oxygen, rapidly turns from a gas into bubbles.
You can get decompression sickness either from getting on a plane after scuba diving or you can get it from rising up to the surface while scuba diving too quickly. There are a few other ways of getting it such as leaving a high-pressure environment too quickly but this article is about scuba diving. If all of this talk about getting the bends is starting to make you worried that you can get it even when you go freediving. Well, the good news is no you should not be worried about this.
The reason for this is because when you are freediving, you are not breathing in compressed oxygen. Therefore, the nitrogen levels are not rising in your bloodstream. You should not go freediving after scuba diving. Doing this will put you at risk of getting DCS. So, in an article that revolves around something as dangerous as decompression sickness, I feel like it is my responsibility to highlight a few of the symptoms.
This is just in case you decided to get on a plane and fly after scuba diving. Normally, these symptoms start to occur almost immediately. They can also take up to 24 hours, and this is the most common case. However, there are reports of some symptoms taking around 3 days to start appearing. If you have recently been scuba diving, whether or not you got on a plane afterwards, and you start feeling any of these symptoms, it is better to be safe rather than sorry.
This is a part of the article where things get a little bit dark because I have to give you a bit of an unfortunate answer to the question:. If you do not seek treatment as quickly as possible, DCS can be fatal. It is vital that you monitor yourself immediately after a dive.
Or you can pay Baht per diving day when making a booking. Sunrise Divers is based at Karon Beach, Phuket. From Phuket and nearby Khao Lak there are liveaboards or day trips with dive sites and boats to suit all divers and all budgets. When planning a liveaboard be sure you know when the last dives are scheduled so you can plan return flights. For more liveaboard information start here : Thailand Liveaboards , or contact Sunrise Divers.
We also offer liveaboard trips in Indonesia. Sunrise Divers is not just a website. We are right here to help you with a SSI Training Center dive shop, helpful and experienced staff, quality rental equipment and plenty of local knowledge. We hope to meet you in person!
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