[1] Progress M1-11 was launched by a Soyuz-U carrier rocket from Site 1/5 at the Baikonur Cosmodrome.

[1] The spacecraft docked with the aft port of the Zvezda module at 13:13:11 UTC on 31 January 2004.

[4] Following undocking, it remained in orbit for ten days, conducting tests of its attitude control system.

[2][5] Progress M1-11 carried supplies to the International Space Station, including food, water and oxygen for the crew and equipment for conducting scientific research.

Its cargo included an Orlan spacesuit, a replacement flex hose for the Destiny module, a new Elektron oxygen generator with spare parts for the Elektron already aboard the ISS, some oxygen generator candles, spare batteries, new fire detection and suppression systems, a gas analysis system, cameras, data cassettes, and an external experiment package for the Zvezda module, Matreshka.