FIFI CLASS REQUIREMENT
Fire fighter 1 ( or 2 or 3 ) are class notations granted to vessels built and equipped in compliance with the relevant class requirements. These requirements are based upon experience and an appraisal of future vessels, size of object to be protected and available fire fighting equipment.
The following matters are covered by the classification:
- The vessels's fire fighting capability
- The vessel's stability and its ability to keep position
when the fire fighting monitors are in operation
- The vessels ability for self protection
For the various classes the requirements are as listed:

Fi-Fi 1 Tug