Functionality level 1 
Functionality level 2 
Function 
Input information 
Output information 
2.2 Monitor evasion 
route 
2.2.1 Record set and 
actual value 
• Planned evasion route, set values for 
courses or speed 
• State variables of ship: position, 
course, speed 
• Necessary input information to determine set/actual 
deviation is recorded 
2.2.2 Compare set 
and actual value 
• Result information from 2.2.1 
• Distance of ship from planned evasion route 
• Set/actual difference for course 
• Set/actual difference for speed 
2.2.3 Assess com 
parison 
• Result information from 2.2.2 
• Decision whether evasion route can be reached 
2.2.4 Provide result 
of comparison 
• Result information from 2.2.1 
• Result information from 2.2.2 
• Set/actual deviations are available for further use