The aircraft are not allowed to enter the Ukrainian airspace.
The planes owned by Members of Parliament from the Opposition Platform - For Life Party Viktor Medvedchuk and Taras Kozak, who used them to fly to Russia, have been blacklisted in a latest round of Ukrainian sanctions.
The relevant decision was made last Friday, the media outlet ZN.UA reported with reference to its own sources in the SBU Security Service of Ukraine.
The aircraft were registered in Moldova after the U.S. had announced its plans to impose sanctions against Medvedchuk.
Read alsoMedvedchuk travels to occupied Crimea, accompanied by three Ukrainian policemen – media
The sanctions provide for a ban for these aircraft to enter the Ukrainian airspace, landings, etc. They are also prohibited from taking passengers on the territory of Ukraine.