GM1 Article 3(7)&(8) Definitions

• ED Decision 2025/007/R found in: Ground Handling (GH) (2025/23 and 2025/20) (Nov 2025)

##### GM1 Article 3(7)&(8) Definitions *ED Decision 2025/007/R* **AIRCRAFT GROUND DE‑ICING AND ANTI ICING** ICAO Doc 9640 provides the following definitions for the terms ‘anti‑icing’, ‘de‑icing’ and ‘de‑icing/anti‑icing’. (a) ‘Anti‑icing’ is a precautionary procedure by which clean aircraft surfaces are protected against the formation of ice and frost and the accumulation of snow and slush for a limited period. (b) ‘De‑icing’ is the process that removes ice, snow, slush or frost from aircraft surfaces. (c) ‘De‑icing/anti‑icing’ is a procedure combining both the de‑icing process and the anti‑icing process and that can be performed in one or two steps. (1) ‘One‑step de‑icing/anti‑icing’. Heated anti‑icing fluid is used to de‑ice the aircraft and remains on the surfaces to which it is applied to provide anti‑icing capability. (2) ‘Two‑step de‑icing/anti‑icing’. This procedure contains two distinct steps: the first step, de‑icing, is followed by the second step, anti‑icing, as a separate fluid application.