|Mission type||ISS resupply|
|Mission duration||152 days|
|Spacecraft type||Progress-M s/n 248|
|Start of mission|
|Launch date||29 August 2003, 01:47:59 UTC|
|Launch site||Baikonur, Site 1/5|
|End of mission|
|Decay date||28 January 2004, 13:57:12 UTC|
|Perigee altitude||253 km|
|Apogee altitude||347 km|
|Epoch||29 August 2003|
|Docking with ISS|
|Docking port||Zvezda aft|
|Docking date||31 August 2003, 03:40:45 UTC|
|Undocking date||28 January 2004, 08:35:56 UTC|
|Time docked||150 days|
Progress M-48 (Russian: Прогресс М-48), identified by NASA as Progress 12P, was a Progress spacecraft used to resupply the International Space Station. It was a Progress-M 11F615A55 spacecraft, with the serial number 248.
The spacecraft docked with the aft port of the Zvezda module at 03:40:45 UTC on 31 August. It remained docked for 150 days before undocking at 08:35:56 UTC on 28 January 2004 to make way for Progress M1-11. It was deorbited at 13:11 UTC on the same day. The spacecraft burned up in the atmosphere over the Pacific Ocean, with any remaining debris landing in the ocean at around 13:57:12 UTC.
Progress M-48 carried supplies to the International Space Station, including food, water and oxygen for the crew and equipment for conducting scientific research.