6 
5.2.3 Functions 43 
5.3 Evasion of bad weather regions 43 
5.3.1 Purpose of task 43 
5.3.2 Functionalities 43 
5.3.3 Functions 43 
5.4 Execution of man-overboard manoeuvres 44 
5.4.1 Purpose of task 44 
5.4.2 Functionalities 44 
5.4.3 Functions 44 
6 Literature 46 
7 Annex 47 
7.1 Voyage planning 48 
7.1.1 Preparing the voyage plan 48 
7.1.2 Determining the speed/time profile 57 
7.1.3 Checking the voyage plan 58 
7.2 Monitoring and executing the voyage 66 
7.2.1 Determining set/actual deviations 66 
7.2.2 Determining set values 70 
7.3 Management of data and reference parameters 72 
7.3.1 State identification 72 
7.3.2 Observing the environment 78 
7.3.3 Object recording 80 
7.4 Dealing with unplanned incidents 82 
7.4.1 Collision avoidance 82 
7.4.2 Grounding avoidance 85 
7.4.3 Evasion of bad weather regions 87 
7.4.4 Execution of man-overboard manoeuvres 89 
Part B Functional Model of the Integrated Navigation Process 93 
1 Introduction 95 
2 Modelling approach 97 
2.1 Context diagram (CD) 97 
2.2 Data flow diagram (DFD) 98 
2.3 Data dictionary (DD) 101 
3 Summary of model 103 
4 Annex 105 
4.1 Context diagram of process task “integrated navigation” 105 
4.2 Data flow diagrams 106 
4.2.1 Task areas 106 
4.2.2 Voyage planning 107 
4.2.3 Voyage execution 121 
4.2.4 Management of data and reference parameters 127 
4.2.5 Dealing with unplanned incidents 128 
4.2.6 Recording the current situation 131 
5 Data dictionary 146 
5.1 Elementary data types 147 
5.2 Simple data types 148 
5.3 Composite data types 151 
Part C Test requirements for Integrated Navigation Systems 157