51cf5a6d_rnational_Space_Station___JAXA_HTV4_Mission_Timeline_Flight_Day
[Major mission events] KOUNOTORI4 Unberthing, Separation from ISS Deactivation of HTV power supply from ISS Vestibule de-outfitting KOUNOTORI4 grapples by the SSRMS CBM bolts release SSRMS moves KOUNOTORI4 to release position Activation of the Guidance Navigation Control (GNC), activation of HTV propulsion system SSRMS ungrapples KOUNOTORI4 KOUNOTORI4 begins separation maneuvers [Flight Day] 
Unberthing Day
F D 1
F D 1 t o F D 6
F D 6 t o F D 7
A f t e r F D 8
F D 8
-
F D 2 5
O n e D a y B e f o r e U n b e r t h i n g
U n b e r t h i n g D a y
R e e n t r y D a y
Schedule:H-II Transfer Vehicle KOUNOTORI (HTV) - International Space Station - JAXA
Flight Day