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    • Introduction 

    • Aims 

    • Application 

    • The Prevention of Lost Bell Diving Incidents 

    • The Mitigation of Lost Bell Diving Incidents 

    • References 

    • Appendix 1 – Bell Mounted Acoustic Transponder Specification 

    • Appendix 2 – Diver Operated Interrogator/Receiver 

    • Appendix 3 – Bell Emergency Communication 

    • Appendix 4 – Bell Ballast Release Systems

    Date: Reason: Revision:
    Date:May 2024 Reason:Page 2, bookmarking and references updated; no change to content Revision:Rev. 0.1
    Date:May 2023 Reason:Initial publication Revision:Rev.