Progress MS-04
Launch from Baikonur Cosmodrome Site 1
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| Mission type | ISS resupply |
|---|---|
| Operator | Roscosmos |
| Spacecraft properties | |
| Spacecraft | Progress MS-04 (No.434) |
| Spacecraft type | Progress-MS |
| Manufacturer | RKK Energia |
| Start of mission | |
| Launch date | 1 December 2016 14:52 |
| Rocket | Soyuz-U |
| Launch site | Baikonur 1/5 |
| Contractor | Roscosmos |
| Docking with ISS | |
| Docking port | Zvezda aft |
| Docking date | Spacecraft failed to orbit |
| Undocking date | N/A |
| Time docked | N/A |
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Progress ISS Resupply
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Progress MS-04 (Russian: Прогресс МC-04), identified by NASA as Progress 65 or 65P, was a Progress cargo spacecraft launched by Roscosmos in an unsuccessful attempt to resupply the International Space Station (ISS).
The Progress MS-4 spacecraft was carrying about 2450 kg of cargo and supplies to the International Space Station. The spacecraft was delivering food, fuel and supplies, including 705 kg of propellant, 50 kg of oxygen and air, and 420 kg of water.
Progress MS-4 was scheduled to dock with the aft docking port of the Zvezda module.
Progress MS-4 was launched on December 1, 2016 from the Baikonur Cosmodrome in Kazakhstan. It used the second to last Soyuz-U rocket.
The launch proceeded normally until telemetry was lost at T+382 seconds, about two minutes into the Blok I stage burn. At this time, the Progress apparently separated from the third stage, almost six minutes earlier than nominal. A high altitude explosion was reported over the skies of Tuva, and debris from the third stage and Progress impacted in a mountainous area approximately 2200 miles (3500 km) downrange from Baikonur.
Roskosmos has confirmed the loss of Progress MS-04. The loss of the spacecraft occurred at an altitude of 190 km above deserted mountainous terrain in Tuva.
The Spaceship was insured by LLC IC "VTB Insurance" for the amount of about 2.5 billion rubles.
Preliminary investigation found that the Progress had separated from the third stage six minutes and 23 seconds into launch, and that third stage telemetry failed. The reason for the premature separation was unclear. Although the Blok I computer system was capable of issuing a manual shutoff command in the event of a malfunction, this could only occur if engine chamber pressure dropped below a certain level or the booster began deviating from its flight path and telemetry data up to the point of the malfunction indicated normal third stage performance. Sensing normal separation, the Progress began deploying its antennas and preparing to fire its propulsion system, but the Blok I was still thrusting and apparently collided with the spacecraft at least twice, sending it into a tailspin and possibly rupturing the instrument module. As evidence of this, the Progress began activating its thermal control system in response to loss of instrument module compartment temperatures. It was suspected that the loss of Blok I telemetry could have been caused by the collision with the Progress, which may have damaged antennas on the booster.
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