Recreational Diving Planner PADI



Today, as you can see, scuba diving is increasingly available to everyone, this result is due to the most important Educational Agencies, as is P.A.D.I. ( Professional Association of Diving Instructors ) that invest huge sums of capital in the search for new solutions that can contribute to the safety of the recreational diver.

With the advent of scuba diving computers, increasingly sophisticated and precise in the detection of data relating to diving, the famous and beloved tables (by the students) have lost some relevance in the life of the diver.

A good diver should know very well how to use the tables, also because in case our computer abandons us during a dive, with our beautiful table in the BCD pocket, however, we will be able to finish our dive and go back up in total safety without having to entrust ourselves to the good fortune that our distracted companion, has moved away or even lost … But this topic, that of the importance of the couple system, we will address it in another article.

Returning to the R.D.P. (Recreational Diving Planner) we said that it is important to know it, because it allows us to plan one or more dives in advance, thus offering us the possibility of organizing our holiday by planning in advance the diving plan we are going to do. The table provides us with different information and is divided into 4 steps on two sides. But let’s go in order and start with side 1.

SIDE 1> 1st Step: Example: let’s imagine we want to plan our 1st dive of the day at a maximum depth of -12 meters. and that we decide to dedicate a maximum time of 38 ’min.



Do not we have to do is slide your finger on the numbered bar at the top, from left to right Until we find the depth we desire or the one closest. (NB) in this case the depth taken for example is -12m but if it had been that of -15mt; -17mt and so on, as you can see, these data are not shown in the table. But for this no problem.

Here is one of the First Rules:

in the event that the desired depth is not in the table, It takes as reference the first data following the one requested by us. (-15mt? Takes -16mt; -17mt? Take the next one, – 18mt.).

the same rule that is used for depth, is also used for the time spent on the bottom. As you can see from the image above, once it determined the bottom time, we must always move your finger to the right, until you get to the corresponding value. In our example, the data value is “H“.

The value “H” is the membership group after a dive made -12mt for 38 ‘min.. This value is very important because it indicates how much Nitrogen we have accumulated in our blood and later we will use it to find out how much time it will be necessary for the nitrogen to be disposed of, even if not entirely, through our fabrics.

SIDE 1> 2nd Step:

It is important to know that the final or beginning group of a dive profile, the closer it gets to the letter  “A“, the lower the nitrogen still held in our body. Always continuing with the dive profile taken as an example first, now we will see after a certain Surface Interval,  in which Group the table places us.



Even in this case, the procedure is similar to the previous. Then continuing to the right, assuming we decided to do a surface interval about 30 minutes, slide your finger until you find it the numerical value that includes 30 minutes of interest to us. As you can see, the quadrant it contains has been taken as a reference value (0:29 / 0:37) and proceeding down gives us the “D” value.

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