| Designation |
Climatic performance |
| For operation on land and rivers |
| Have |
Macroclimatic region with a temperate climate |
| UHL |
Macroclimatic region with a temperate and cold climate |
| Tv |
Macroclimatic region with a humid tropical climate |
| TS |
Macroclimatic region with dry tropical climate |
| T |
Macroclimatic region with both dry and humid tropical climates |
| O |
All macroclimatic areas on land, except for areas with a very cold climate (general climatic) |
| For use in areas with a maritime climate |
| M |
Macroclimatic region with a moderately cold maritime climate |
| TM |
Macroclimatic region with tropical maritime climate |
| OM |
Macroclimatic region with both moderately cold and tropical maritime climate |
| V |
For operation in all areas on land and at sea, except for areas with
very cold climates (all climatic) |
| Accommodation categories (when operating in air at altitudes up to 4.3 km, including underground and water) |
| 1 |
Outdoor use |
| 2 |
Operation under a canopy or in rooms where fluctuations in temperature and humidity do not significantly differ from fluctuations in the open air, and there is relatively free access to outside air, as well as in the enclosure of a complete product of category 1 |
| 3 |
Operation in closed rooms with natural ventilation without artificially controlled climatic conditions, where fluctuations in temperature and humidity and exposure to sand and dust are significantly lower than in open air |
| 4 |
Operation in rooms with artificially controlled climatic conditions |
| 5 |
Operation in rooms with high humidity |
