https://avoinapi.vaylapilvi.fi/inspirepalvelu/tn-a/wms?request=getcapabilities

From the dataset abstract

A designated instrument flight rule (IFR) departure route linking the aerodrome or a specific runway of the aerodrome with a specified significant point, normally on a designated ATS route, at which the en-route phase of a flight commences.

Source: INSPIRE dataset: Standard Instrument Departure