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IANTD Open Circuit Flexible Dive Tables

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Dive Table Sample

Even with the widespread use of computers, pre-printed dive tables continue to have an important role in dive planning, backup, bailout, and especially in required-stop decompression diving. The waterproof flexible dive tables that we offer are designed to accompany the diver on the dive and are easy to read underwater. They are nearly indestructible and can be rolled or folded into a compact size.

The International Association of Nitrox and Technical Divers (IANTD) prepared these dive schedules in a standard structure that is familiar to divers trained in the use of traditional dive tables. The tables are printed on both sides of white waterproof fabric sheets using special flexible inks in black with blue and/or green highlighting. All sheets are 7-inch by 9-inch in size, have rounded corners and a punched hole so you can assemble several sheets into an easy-to-manage collection.

Click Here for CCR Constant PO2 Flexible Dive Tables.


Air and Equivalent Air Depth
No-Stop Decompression Limit (NDL) and Deco Tables

These table sets offer both no-stop required decompression limit tables and required-stop tables for advanced divers.


C3200+ Enlarge  |   Pricelist $

In Stock

$11.95

Equivalent Air Depth / Maximum Operating Depth Table

C3200B

These tables allow you to determine the EAD for any Nitrox mixture from 24% to 40% in 2% increments, and 45% to 100% in 5% increments. They also include the MOD for PO2s from 1.30 ATA to 1.60 ATA in 0.5 ATA increments for each Nitrox mixture. This EAD/MOD table, in combination with ANY Air table, allows you to determine a dive schedule for ANY Nitrox mixture without additional calculations.

C3201+ Enlarge  |   Pricelist $

In Stock

$11.95

Oxygen Exposure Tracking Table

C3201B

Oxygen exposure tracking is important in technical and rebreather diving. Use these tables to determine the Percent CNS O2 clock or Oxygen Toxicity Units (OTU) for any time exposure to PO2's from 0.60 ATA to 1.60 ATA in 0.05 ATA increments. Use the surface interval credit table to determine residual % CNS for surface intervals of :30, :60, :90, and 2 to 6 hours.Also included is a table to determine PO2's at depths of 10 fsw to 220 fsw in 10 fsw increments for Air, Nitrox and Oxygen.

C3302+ Enlarge  |   Pricelist $

In Stock

$11.95

US Navy Air Dive Table

C3302B

These tables are for Air with Air as the deco gas. These tables are IANTD's format of the current US Navy schedules. Many divers always keep an Air NDL & Deco table at hand for those rare moments when the carefully prepared dive plan has undergone unplanned transformation. As a result, the US Navy Air NDL & Deco tables continue to be one of our most popular.

C3501+ Enlarge  |   Pricelist $

In Stock

$11.95

Buhlmann Air Dive Table w/Optional 75% Accelerated Deco

C3501B

These tables are for Air with Air as the deco gas. For advanced Nitrox divers they also offer an optional accelerated deco schedule (highlighted in green) using 75% up to 100% Oxygen at the last two stop depths. These tables are based on Bühlmann's ZH-L16 algorithm. Many divers prefer the Bühlmann algorithm to the US Navy's. However, the repetitive letter group designations are not transferable to ANY other tables, including the US Navy tables.


Nitrox No-Stop Decompression Limit (NDL) and Deco Tables

These four table sets offer both no-stop required decompression limit schedules for sport Nitrox diving and required-stop schedules for advanced divers. These tables are all based on Bühlmann's ZH-L16 algorithm. The repetitive letter group designations allow transfer between these four specific table sets, allowing a different gas to be selected for each repetitive dive. However, the repetitive letter group designations are not transferable to ANY other tables.

Bühlmann based tables are among the most widely used dive tables in the world, and the ZH-L16 algorithm is programmed into many of todays dive computers. A comment sometimes heard from new users of Bühlmann tables is the schedules are conservative. When comparing a Bühlmann table with a US NAVY table, a diver will get slightly more no-decompression dive time using the US NAVY table, but only for the first dive. If the diver plans a repetitive dive, typically there is more no-decompression dive time using the Bühlmann table.


C3901+ Enlarge  |   Pricelist $

In Stock

$11.95

Buhlmann Air Dive Table w/Optional 50% Accelerated Deco

C3901B

These tables are for Air with Air as the deco gas. They also offer an optional accelerated deco schedule (highlighted in green) using 50% Nitrox up to 100% Oxygen at the last two stop depths.

C3905+ Enlarge  |   Pricelist $

In Stock

$11.95

32% Nitrox Dive Table w/Optional 50% Accelerated Deco

C3905B

These tables are for 32% Nitrox with 32% Nitrox as the deco gas. They also offer an optional accelerated deco schedule (highlighted in green) using 50% Nitrox up to 100% Oxygen at the last two stop depths.

C3907+ Enlarge  |   Pricelist $

In Stock

$11.95

36% Nitrox Dive Table w/Optional 50% Accelerated Deco

C3907B

These tables are for 36% Nitrox with 36% Nitrox as the deco gas. They also offer an optional accelerated deco schedule (highlighted in green) using 50% Nitrox up to 100% Oxygen at the last two stop depths.

C3818+ Enlarge  |   Pricelist $

In Stock

$11.95

40% Nitrox Dive Table

C3818B

These tables are for 40% Nitrox with 40% Nitrox as the deco gas. There is no 50% accelerated deco option as it would be of little benefit.


Recreational Trimix
No-Stop Decompression Limit (NDL) and Deco Tables

These two table sets offer both no-stop required decompression limit schedules for sport depth Trimix diving and required-stop schedules for advanced divers. These tables are all based on the Varying Permeability Model B (VPM-B) algorithm. The repetitive letter group designations are not transferable to ANY other tables.


C3714+ Enlarge  |   Pricelist $

In Stock

$11.95

28/25% Recreational Trimix Dive Table w/Optional 50% Accelerated Deco

C3714B

These tables are for 28/25% Trimix (28% Oxygen with 25% Helium or greater) as both bottom gas and as the deco gas. They also offer an optional accelerated deco schedule (highlighted in green) using 50% up to 80% Nitrox at the last three stop depths. This is the table to use with 30/30% Trimix.

C3715+ Enlarge  |   Pricelist $

In Stock

$11.95

32/15% Recreational Trimix Dive Table w/Optional 50% Accelerated Deco

C3715B

These tables are for 32/15% Trimix (32% Oxygen with 15% Helium or greater) as both bottom gas and as the deco gas. They also offer an optional accelerated deco schedule (highlighted in green) using 50% up to 80% Nitrox at the last three stop depths. This is the table to use with 31/15% Trimix.


Technical Trimix Runtime Decompression Tables

These three table sets provide required-stop decompression runtime schedules for technical Trimix divers. These tables are all based on the Varying Permeability Model B (VPM-B) algorithm and incorporate deep stops. VPM-B is a decompression model well suited to deep technical diving. The deco profiles start deeper than most other models, using a micro-bubble-based mathematical model to compute decompression.

The reasoning behind the peculiar mixtures choosen to generate these tables has to do with the real world of gas blending. The tables were designed to allow variances between desired target and actual result when blending trimix. This means the final mixture may differ somewhat from the ideal, yet the diver still has a workable table. These tables have been calculated to allow for 1% variation in the Oxygen percentage and up to 10% variation in the Helium. For example, the 20/25% Trimix table can be used with 21/35% Trimix.


C3703+ Enlarge  |   Pricelist $

In Stock

$11.95

20/25% Technical Trimix Runtime Dive Table w/Accelerated Deco

C3703B

These tables are for 20/25%% Trimix (20% Oxygen with 25% Helium or greater) as the bottom gas. They also offer a single repetitive dive schedule assuming a minimum THREE-hour surface interval. This is the table to use for 21/35% Trimix.

C3717+ Enlarge  |   Pricelist $

In Stock

$11.95

19/40% Technical Trimix Runtime Dive Table w/Accelerated Deco

C3717B

These tables are for 19/40% Trimix (19% Oxygen with 40% Helium or greater) as the bottom gas. They also offer a single repetitive dive schedule assuming a minimum TWO-hour surface interval. This is the table to use for 18/45% Trimix.

C3718+ Enlarge  |   Pricelist $

In Stock

$11.95

14/50% Technical Trimix Runtime Dive Table w/Accelerated Deco

C3718B

These tables are for 14/50% Trimix (14% Oxygen with 50% Helium or greater) as the bottom gas. They also offer a single repetitive dive schedule assuming a minimum TWO-hour surface interval. This is the table to use for 15/55% Trimix.

C3719+ Enlarge  |   Pricelist $

In Stock

$11.95

12/60% Technical Trimix Runtime Dive Table w/Accelerated Deco

C3719B

These tables are for 12/60% Trimix (12% Oxygen with 60% Helium or greater) as the bottom gas.

Tek Tip
Tek Tip Symbol 		Warning

"You've got to ask yourself a question: Do I feel lucky?....Well, do ya?"

These tables assume ideal circumstances for the diver and the dive. Consider your physical condition as well as conditions of the dive, then adjust the tables according to your training and experience. Proper use of these tables reduces the risk of decompression sickness and oxygen toxicity, but no tool can completely eliminate those risks.

A Common Mistake When Using Tables for Repetitive Dives

When an actual depth falls between two planned depth schedules, select the deeper schedule on the bottom time (BT) table.

For example, if the dive will have a 65-foot depth, then determine the bottom time from the 70-foot schedule. The deeper schedule increases the margin of safety.

A common mistake is applying the next deeper schedule rule to the Residual Nitrogen Time (RNT) table when determining the RNT deduction from the bottom time for the repetitive dive. The proper action when determining the RNT is to use the next shallower schedule.

When an actual depth falls between two planned depth schedules, select the shallower schedule on the Residual Nitrogen Time (RNT) table.

For example, if the dive will have a 65-foot depth, then determine the Residual Nitrogen Time from the 60-foot schedule. The shallower schedule increases the RNT deduction from bottom time, increasing the margin of safety.

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Pricing for IANTD Flexible Dive Tables

Image Item SKU Description Ship Status Everyday
Great Price
Equivalent Air Depth / Maximum Operating Depth Table  IAN-C-3200 Equivalent Air Depth / Maximum Operating Depth Table In Stock $11.95
Oxygen Exposure Tracking Table  IAN-C-3201 Oxygen Exposure Tracking Table In Stock $11.95
US Navy Air Dive Table  IAN-C-3302 US Navy Air Dive Table In Stock $11.95
Buhlmann Air Dive Table w/Optional 75% Accelerated Deco  IAN-C-3501 Buhlmann Air Dive Table w/Optional 75% Accelerated Deco In Stock $11.95
Buhlmann Air Dive Table w/Optional 50% Accelerated Deco  IAN-C-3901 Buhlmann Air Dive Table w/Optional 50% Accelerated Deco In Stock $11.95
32% Nitrox Dive Table w/Optional 50% Accelerated Deco  IAN-C-3905 32% Nitrox Dive Table w/Optional 50% Accelerated Deco In Stock $11.95
36% Nitrox Dive Table w/Optional 50% Accelerated Deco  IAN-C-3907 36% Nitrox Dive Table w/Optional 50% Accelerated Deco In Stock $11.95
40% Nitrox Dive Table  IAN-C-3818 40% Nitrox Dive Table In Stock $11.95
Set of Four Nitrox Dive Tables (3901/3905/3907/3818)  IAN-C-EANSET Set of Four Nitrox Dive Tables (3901/3905/3907/3818) In Stock $44.95
28/25% Recreational Trimix Dive Table w/Optional 50% Accelerated Deco  IAN-C-3714 28/25% Recreational Trimix Dive Table w/Optional 50% Accelerated Deco In Stock $11.95
32/15% Recreational Trimix Dive Table w/Optional 50% Accelerated Deco  IAN-C-3715 32/15% Recreational Trimix Dive Table w/Optional 50% Accelerated Deco In Stock $11.95
20/25% Technical Trimix Runtime Dive Table w/Accelerated Deco  IAN-C-3703 20/25% Technical Trimix Runtime Dive Table w/Accelerated Deco In Stock $11.95
19/40% Technical Trimix Runtime Dive Table w/Accelerated Deco  IAN-C-3717 19/40% Technical Trimix Runtime Dive Table w/Accelerated Deco In Stock $11.95
14/50% Technical Trimix Runtime Dive Table w/Accelerated Deco  IAN-C-3718 14/50% Technical Trimix Runtime Dive Table w/Accelerated Deco In Stock $11.95
12/60% Technical Trimix Runtime Dive Table w/Accelerated Deco  IAN-C-3719 12/60% Technical Trimix Runtime Dive Table w/Accelerated Deco In Stock $11.95
Set of Four Trimix Runtime Dive Tables (3703/3717/3718/3719)  IAN-C-TRISET Set of Four Trimix Runtime Dive Tables (3703/3717/3718/3719) In Stock $44.95
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