Guidance on operational communications

August 2010 – Initial publication

August 2016 – Update of references; rewording of section 19

June 2021 Rev.1 – Further updating of references and adoption as an L&R document

Contents
  • Purpose
  • Scope and Summary of Guidelines
  • Definitions
  • Part A – General Guidelines for Operational Procedures
  • Introduction to Part A
  • General Communications Guidance
  • Data Recording
  • Operational Communications
  • Working on VHF/UHF Channels
  • Use of Communications Channels
  • Emergency Communications
  • Maintenance
  • Communications Diagrams
  • Part B – Communications in Bridge to Dive Control
  • Introduction to Part B
  • Types of Diving Operations
  • Communication Links
  • Equipment
  • Testing Communication Systems
  • Alarms – Bridge to Dive
  • Other Alarm Signals
  • Data Recording
  • Personnel
  • Part C – Communications in Lifting Operations
  • Introduction to Part C
  • Communications in Lifting Operations – General
  • Procedures
  • Hand Signals
  • Equipment
  • Human-Machine Interaction
  • Types of Lifting Operation
  • References and Further Reading
Reference(s): IMCA LR013, IMCA M205, IMCA D046
Published:November 2023
Version:Rev. 1.1
Grade:IMCA Recommended Practice
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