RJE International

TAC-100A Diver Navigation Board


The most commonly used dive navigation board, the TAC-100A, can be found in Special Forces dive lockers worldwide. The TAC-100A comes complete with a compass, analog depth gauge, dive chronometer, and carrying bag. Designed for accuracy and reliability, the TAC-100A is available with Imperial or Metric depth gauges.

Size of Board

12” L (30.5cm)
10” W (25.4cm)
5” H (12.7cm)

Total Weight in Air

2.38lbs (1.08kg)

Board Material

Black ABS

Compass Illumination

Adjustable Chem Light


Compass Card Bearings

5 Degrees Markings

Compass Card

Black with Luminous Bearings Marks

Luminous Properties

Up to 8 Hours (Compass)

Compass Card Tilt



4.0” Dia (10.0cm)
3.75” H (9.5cm)

Depth Gauge & Timer

Imperial Depth Range:  0 to 80ft
Metric Depth Range:  0 to 25m
Max Depth Marker:  Resettable Tell-Tale
Face:  Black with Luminous White Numerals
Certified to:  EN 13319

Dive Chronometer

Casio G-Shock Watch with Lap Timer

Specifications are subject to change without notice.

For more information, please contact us at (858) 454-4044 or brock@o-vations.com.

Call us

(858) 454-4044


7416 Cabrillo Avenue, La Jolla, CA  92037, United States