6-32 Change AU.S. Navy Diving Manual—Volume 26-9.4Master Diver.6-9.4.1Master Diver Responsibilities. The Master Diver is the most qualified person tosupervise air and mixed-gas dives (using scuba and surface-supplied diving equip-ment) and recompression treatments (Figure 6-17). He is directly responsible tothe Commanding Officer, via the Diving Officer, for the safe conduct of all phasesof diving operations. The Master Diver manages preventive and corrective mainte-nance on diving equipment, support systems, salvage machinery, handling sys-tems, and submarine rescue equipment. Training and requalification of diversattached to the command is conducted by the Master Diver, who also ensures thatdivers are trained in emergency procedures. The Master Diver recommends to theCommanding Officer, via the Diving Officer, which enlisted divers are qualifiedto serve as Diving Supervisors. The Master Diver oversees the efforts of the Div-ing Supervisor and provides advice and technical expertise. If circumstances war-rant, the Master Diver shall relieve the Diving Supervisor and assume control ofthe dive station. In the absence of a Diving Officer, the Master Diver can assumethe duties and responsibilities of the Diving Officer.6-9.4.2Master Diver Qualifications. TheMaster Diver has completed MasterDiver evaluation course (CIN A-433-0019) successfully and is proficient inthe operation of Navy-approved under-water breathing equipment, supportsystems, and recompression chambers.He is also trained in diagnosing andtreating diving injuries and illnesses.The Master Diver is thoroughlyfamiliar with operating and emergencyprocedures for diving systems, andpossesses a working knowledge of gasmixing and analysis, computations,salvage theory and methods, subma-rine rescue procedures, towing, andunderwater ship husbandry. The MasterDiver shall possess a comprehensiveknowledge of the scope and applicationof all Naval instructions and publica-tions pertaining to diving, and shallensure that logs and reports are main-tained and submitted as required.6-9.5Diving Supervisor. While the Master Diver is in charge of the overall divingoperation, the Diving Supervisor is in charge of the actual diving operation for aparticular dive or series of dives. Diving operations shall not be conducted withoutthe presence of the Diving Supervisor.Figure 6-17. Master Diver Supervising Recompression Treatment.
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