解放軍機穿越巴士海峽 威脅台灣空防

choi

Central News Agency, June 10, 2015.
www.cna.com.tw/news/firstnews/201506105021-1.aspx

Note:
(a) I can not find the 大陆海军官方微博「中国海军发布」, which started Apr 22, 2015.
(b) international waters?

Ana G López Martín, International Straits; Concept, classification and rules of passage. Springer, 2010, at page 51
books.google.com/books?id=aHTbsky9LZMC&pg=PA51&lpg=PA51&dq=bashi+channel+international&source=bl&ots=FPcj6FivsI&sig=mpLfqagBk9WJAj3ycR0ZLu0YM90&hl=en&sa=X&ved=0CC0Q6AEwAmoVChMIyZHPzZ-GxgIVwpMNCh1TGQDH#v=onepage&q=bashi channel international&f=false
("Mention should also be made of the Strait of Luzon--between Taiwan and the Philippines--, [sic] divided into three channels as a result of the multiplicity of islands: Bashi channel (53 miles [wide]), Balintang Channel (24 miles) and Babuyan Channel (14 miles); as a result of this individualisation, the last two mentioned are clearly 'international straits' ")
(c) "the last two mentioned are clearly 'international straits' "

transit passage
en.wikipedia.org/wiki/Transit_passage
(This navigation rule is codified in Part III of the [1982] United Nations Convention on the Law of the Sea)

So China has been unreasonable by raising ruckus when warships of a third nation (Australia (once) and US) pass through Taiwan Strait.