Analysis of information sources in references of the Wikipedia article "2015年土耳其击落俄罗斯战斗机事件" in Chinese language version.
Disregarding these warning, both aircraft, at an altitude of 19.000 feet [5,800 m], violated Turkish national airspace to a depth of 1,36 miles [2.52 km] and 1,15 miles [2.13 km] in length for 17 seconds from 9.24'.05'' local time.
