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