29 January 2014Two Blue Impulse T-4s collided during a four-ship practice flight from Matsushima Air Base, both aircraft landed safely with no injuries. The Leader's aircraft (#1) had nose damage, while the other involved aircraft, #2, lost half of its left horizontal stabiliser. References Footnotes Notes External links Japan Air Self-Defense Force - Blue Impulse Official Site Blue Impulse Museum Blue Impulse Fan Site Units of the Japan Air Self-Defense Force Aerobatic teams