L15-05 Advanced Jet trainer’s maiden flight succeeds

[aimarraul]

May.13 (China Military News Cited from Xinhuanet) — The L15-05 trainer plane, developed by the Hongdu Aviation Industry Group takes off at Qingyunpu airport in Nanchang, east China’s Jiangxi Province, June 8, 2009. The trainer plane had a successul maiden flight on Monday.L15-05 Advanced Jet trainer’s maiden flight succeeds|China-Defense-Mashup

 

[Munir]

Why those anti flutter on the tail?