A Single-armed Manta-board as a New Diver-controlled Planing Board and Its Use for Underwater Surveys

Zimmerman, Kenneth D. and Burton, Thomas E. (1994) A Single-armed Manta-board as a New Diver-controlled Planing Board and Its Use for Underwater Surveys. Marine Fisheries Review, 56(2), pp. 12-16.

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Abstract

Due to inadequacies of previous underwater towing techniques and the special needs of a recent underwater survey, a modified mania-board technique was developed. With this new technique, the diver holds on to the manta-board with one arm; consequently, the board is referred to as a single-armed manta-board (sam-board). The sam-board proved inexpensive and highly maneuverable, allowing the divers to freely collect samples or record information. Through some experimenting with the board and changing some of the variables, such as rope lengths, towing speeds, etc., a highly efficient towing method can be achieved. Preplanning and strict diving safety procedures must, however, be implemented to assure efficiency. This paper presents the materials, guidelines for board construction, equipment, and preplanning and diving safety procedures necessary for the sam-board towing operation.

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