Implementation of the 8.33 kHz Voice Channel Spacing Below FL 195
Estonian Civil Aviation Administration kindly reminds that from 1st January 2020 within the Tallinn FIR it is prohibited to operate an aircraft under IFR unless the aircraft radio equipment has the 8.33 kHz channel spacing capability. Non-8,33 kHz VFR flights are prohibited in airspace classes C and D as well as in RMZ-s.