The level provided at an aerodrome for rescue and fire fighting given in AD 2.6 is equal to the aerodrome category (see Annex 14, Volume I). The aerodrome category is based on the longest aeroplanes normally using the aerodrome and their fuselage width.
| Aerodrome category | Aircraft overall length (m) | Maximum fuselage width (m) |
|---|---|---|
| 1 | 0 up to but not including 9 | 2 |
| 2 | 9 up to but not including 12 | 2 |
| 3 | 12 up to but not including 18 | 3 |
| 4 | 18 up to but not including 24 | 4 |
| 5 | 24 up to but not including 28 | 4 |
| 6 | 28 up to but not including 39 | 5 |
| 7 | 39 up to but not including 49 | 5 |
| 8 | 49 up to but not including 61 | 7 |
| 9 | 61 up to but not including 76 | 7 |
| 10 | 76 up to but not including 90 | 8 |
The level provided at a heliport for rescue and fire fighting given in AD 3.2 is equal to the heliport category (see Annex 14, Volume II). The heliport category is based on the overall length of the longest helicopters normally using the heliport.
| Heliport category | Helicopter overall length (m) |
|---|---|
Helicopter length includes rotors and tail boom. | |
| H1 | 0 up to but not including 15 |
| H2 | 15 up to but not including 24 |
| H3 | 24 up to but not including 35 |
During the winter season SNOWTAM can be issued containing information according to the SNOWTAM format of ICAO Annex 15, Appendix 2.
The SNOWTAM series starts every year at January 1st with number 0001.
A SNOWTAM will be issued immediately to notify circumstances like snow, slush, ice or water associated with these conditions on the movement area (runways, taxiways and aprons) at the following aerodromes:
A new SNOWTAM will be issued when conditions have changed significantly.
The maximum validity of a SNOWTAM is 24 hours.
Notification of the closure or reopening of an aerodrome or runway, as a result of snow and ice conditions, will be promulgated by NOTAM.