 Following commissioning operations conducted by the European Space Agency at a longitude of 10° East, the satellite was moved to its operational slot at 13° East, entering service on 12 October.After five years in service, Eutelsat I F-1 was replaced by the newly launched Eutelsat I F-4.For the next three years it covered a new slot at 16° East until the launch of Eutelsat II F-3.