Landings on Mars Date Spacecraft Coords Location Province Until Status COSPAR 1971 Nov 27 SA Marsa-2 44S 313W Hellespontus Montes Noachis Impact 1971-45D 1971 Dec 2 SA Marsa-3 45S 158W Sirenum Terra Phaethontis 1971 Dec 2 Inactive 1971-49E 1974 Mar 12 SA Marsa-6 24S 25W Margarifiter Terra Margarifiter Sinus Impact 1973-52D 1976 Jul 20 Viking Lander 1 22.5N 48.0W Chryse Planitia Lunae Palus 1982 Nov 13 Inactive 1975-75C (Mutch Memorial Station) 1976 Sep 3 Viking Lander 2 48N 225.7W Utopia Planitia Cebrenia 1980 Apr 12 Inactive 1975-83C