IDC Guide

Dive Theory – More about The

Recreational Dive Planner (RDP)

PADI IDC Theory: RDP – The Background of the RDP

The Basics

The background and design of the RDP accounts for a fairly large percentage of the RDP exam. A lot of the answers are found on the table, or rules tab of the eRDPml. Other questions are about the structure of the RDP

This might help

Answers found on the RDP
There are several questions regarding flying after diving, diving at altitude, what to do if you miss a safety stop and special rules for WXY or Z pressure groups. All of these answers can be found on your table, or in the Rules tab of your eRDPml.

Structure of the RDP
To answer these questions, you need to remember that the RDP is based on 14 tissue compartments, and the US NAVY table is based on 6 tissue compartments.

Also the surface interval credit table is based on 60 minute half time tissue for the RDP and 120 minute half time tissue for the US NAVY.

PADI IDC Theory: RDP – Calculating RDP

The Basics
You can answer all of these questions with the eRDPml if you want, but some questions are answered quicker by using the table.

This might help

The question that appears on every exam asking for the sum total of minutes over three dives using minimum surface interval. (Nearly always you’ll find yourself in WXY or Z pressure group)

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