A Philippine Air Force F-27 transport plane flying over the Spratly Islands was illuminated by a “powerful light” from a Chinese frigate.
By Philippine Air Force (http://www.paf.mil.ph/aircraft_gallery.html) [Public domain], via Wikimedia Commons
The aircraft was on a regular maritime patrol when the incident happened last Sunday. The Chinese warship also radioed the aircraft to warn it to stay away.
Source: Alert 5