Last updated:August 14, 2015
HTV5 Mission Timeline
Flight Day |
Major mission events |
FD1 |
- Launch, Orbit Insertion
- Post-insertion auto sequence
- HTV subsystem activations
- Attitude control
- System check
- Establishment of communication with the Tracking and Data Relay Satellite (TDRS)
- Initiation of communication with the HTV Mission Control Room (HTV MCR) at the Tsukuba Space Center
- Rendezvous Maneuver
|
FD1 to FD5 |
- Far-field Rendezvous Maneuvers
|
FD5 |
- Proximity Operations, Final Approach
- Capture by the Space Station Remote Manipulator System (SSRMS)
- Berthing to ISS
- Berthing to the Harmony's Nadir Port
- Vestibule outfitting
- Activation of HTV power supply from ISS
- Switching of the communications line (Radio wave to fixed line)
|
FD6 |
- Removal of the Exposed Pallet (EP) from the HTV Unpressurized Logistics Carrier (ULC) and the transfer to the Kibo's Exposed Facility (EF)
|
FD6 |
- Crew ingress to the Pressurized Logistics Carrier (PLC)
- Removal of the Controller Panel Assemblies (CPAs)
- Hatch open
- Activation of the Inter-Module Ventilation (IMV)
- Transfer of the Portable Breathing Apparatus (PBA) and the Portable Fire Extinguisher (PFE) in the PLC
|
FD6 |
- Cargo Transfer From PLC to ISS
|
- |
- Installation of the Japanese exposed experiment device that is placed onto EP to the Kibo's EF using the JEMRMS
|
- |
- Removal and transfer of exposed experiment devices using the JEMRMS to the EP for disposal
|
- |
- Reinstallation of the empty EP back into the HTV's ULC
|
- |
- Cargo transfer / Trash loading
|
A day before departure from the ISS |
- Preparation for the HTV Unberthing Operations
- Removal of lights, PFEs, and PBAs (all to be stowed on ISS)
- Installation of CPA on the CBM
- IMV de-activation
- Hatch closure
- Switching of the communications line (Radio wave to fixed line)
|
Unberthing Day |
- KOUNOTORI5 unberthing
- Deactivation of HTV power supply from ISS
- Vestibule de-outfitting
- KOUNOTORI5 grapple by the SSRMS
- CBM bolts release
- SSRMS moves KOUNOTORI5 to release position
- Activation of the Guidance Navigation Control (GNC), activation of HTV propulsion system
- SSRMS ungrapples KOUNOTORI5
- KOUNOTORI5 begins separation maneuvers
|
Reentry |
- De-orbit Maneuver
- Fiery Reentry
|
* In-flight schedule of the HTV4 mission is subject to change depending on the ISS's operations timeline.
* Pictures used in the table are taken during the previous HTV missions. Some of them are Computer Graphics (CG) images.