The PADI (Professional Association of Diving Instructors) Recreative Diving Planner (RDP) Table is a widely used tool for scuba divers to plan and conduct safe dives. The metric version of the table is used to calculate safe depth and time limits for dives. Here's an overview of the PADI RDP Table (Metric) and how to use it:
Limit all successive dives to 30 meters or shallower and always plan the deepest dive first. Step-by-Step Example (Metric) Imagine you are planning a first dive to 30 minutes Find Depth: Since 17m isn't on Table 1, round up to the Find Time:
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Follow that row horizontally to the right to find your Pressure Group letter. Result: An puts you in . Step 2: Calculate Surface Interval Credit (Table 2) Padi Rdp Table Metric Pdf
Find your post-surface-interval Pressure Group letter at the top. Match it with your planned depth for the next dive. Key Metric Figures: The intersection provides two numbers:
A PDF can be printed and laminated to create a durable, waterproof table for personal use on the dive boat.
The primary difference between the two versions is the unit of measurement: Step-by-Step Example (Metric) Imagine you are planning a
When using a PADI RDP metric chart, strict safety guidelines protect you from decompression risk:
You only want to dive for (Actual Dive Time, or ADT). Calculate your Total Nitrogen Time (TNT):
To illustrate how to use the metric RDP PDF, let's walk through a classic two-dive scenario. Planned depth of 18 meters for 30 minutes . I will perform several searches to cover different
Since a free, high-quality PDF is practically unavailable legally, here are the best alternatives:
This means on your second dive to 14 meters, you cannot stay longer than . If you dive for 40 minutes, your total nitrogen burden is calculated as
This table lists depths down the left column (from 10 meters to 42 meters) and dive times across the rows.