7.1.1.2 Planning of route 
Functionality level 1 
Functionality level 2 
Function 
Input information 
Output information 
1. Fix way points 
1.1 Define way points 
1.1.1 Record input data 
• Geographical information from 
the sea chart (geod. datum!): 
land masses, water depths 
• Hydrogr. data: currents, tides 
• Meteorological data 
• Shipowner’s stipulations (eco 
nomic efficiency) 
• Ship data (load, stability, engine 
power, bunker capacity) 
• Relevant geographical information on sea 
regions between ports of departure and desti 
nation 
• Environment-related information: global hydro- 
graphic and meteorological data 
• Other boundary conditions 
1.1.2 Evaluate data 
• Output information from 1.1.1 
• List of way points (course changing points) 
between ports of departure and destination 
1.1.3 Provide set data 
• Output information from 1.1.2 
• Output of way point list for the user 
(printer/screen) 
• Way point list is available in machine-legible 
format 
1.2 Connect way points 
1.2.1 Record input data 
• Way point list (result from 1.1.3) 
• Way point list is available for further processing 
1.2.2 Evaluate data 
• Output information from 1.2.1 
• Description of route by polygonal progression 
1.2.3 Provide set data 
• Output information from 1.2.2 
• Graphic display of route polygon for user 
2. Determine set courses 
2.1.1 Record input data 
• Orderly list of way points (result 
from 1.1.3) 
• Orderly way point list is available for calculating 
courses 
2.1.2 Evaluate data 
• Output information from 2.1.1 
• Course for each route section (distance be 
tween two way points) 
2.1.3 Provide set data 
• Output information from 2.1.2 
• Output of courses for user 
• Storage of course and of allocation of course 
route section for further use in the INS