Soyuz U | Progress M-40
A Soyuz U rocket launched Soyuz U | Progress M-40 from Baikonur Cosmodrome, Republic of Kazakhstan, targeting the designated orbit.
- Launch time
- Status
- SUCCESS
- Operator
- Russian Federal Space Agency (ROSCOSMOS)
- Mission type
- Orbital
- Rocket
- Soyuz U
- Launch site
- Baikonur Cosmodrome, Republic of Kazakhstan
- Launch pad
- 1/5
- Payload
- —
- Target orbit
- Unknown

Mission timeline
- 1998-10-25T04:14:57.000ZSoyuz U lifts off from Baikonur Cosmodrome, Republic of Kazakhstan.
- Soyuz U passes through max aerodynamic pressure (Max Q).
- Main engine cutoff — the first stage shuts down as planned.
- Stage separation — the first stage separates cleanly.
- Second-stage engine ignites for the next phase of flight.
- Mission success — all objectives completed.