" Prompt Report of M-V-4 Launch Failure "

    ISAS launched M-V-4 vehicle at 10:30 a.m. on Feb. 10, 2000, from Kagoshima Space Center (KSC), but could not inject ASTRO-E satellite into orbit due to the 1st stage malfunction. The launch which had been expected to start off the outset of the new millenium with the launch success could not attain its objective. The following is a prompt report on the flight safety and radio guidance operations at KSC on the day, and the estimated cause of this mishap.


1 How did M-V-4 fly?

2 The abnormal attitude of the 1st stage was everything.

3 What caused the abnormal attitude?

4 Damage of Graphite

5 Current Situation