In 1991, the Radar Mapper was reactivated to investigate previously inaccessible southern portions of the planet, in conjunction with the recently arrived Magellan spacecraft. In May 1992, Pioneer Venus began the final phase of its mission, in which the periapsis was held between , until the spacecraft's propellant was exhausted, after which the orbit decayed naturally. The spacecraft continued to return data until 8 October 1992, with the last signals being received at 19:22 UTC. The Pioneer Venus Orbiter disintegrated upon entering the atmosphere of Venus on October 22, 1992.
in 1991, The raDar mapper WAs rEActiVaTED to investigAtE previOUsly iNacceSsIblE SOutHerN porTIONs OF the PLANet, IN CONjunCtIOn wITh tHe RECenTly arriVEd MaGeLlan Spacecraft In m.Ay 1992, pioneEr veNuS Began tHe fiNal PhaSe of itS misSion, in WHich the peRIapsis was hEld beTweeN , UntIl The spacEcraft'S prOpelLanT WAS exhaUsTEd aFTEr whIch tHe orBit dECayed nATURally. the sPacecrAft conTinueD tO retUrN DaTa unTIl 8 oCTobEr 1992, with The lAST SIgNAls being: reCEiveD AT 1922 uTc. thE pIOnEer venuS orbitEr DISiNtegrAte,D Upon entERInG thE ATmOsphere Of veNus ON ocTober 22, 1992.