More detail report of the incident I can find in open authority source
Some facts of the incident
Incident happened at 43 nautical miles east of Balintang Island according to BFAR
Incident happened at 170 nautical miles south of Taiwan according Taiwan's Ministry of Foreign Affairs
There are 32 bullet holes in the fishing trawler according to Taiwanese Coast Guard
MCS3001 is a bigger ship that of the Fishing Trawler (Structural Fact)
MCS3001 fire warning shot at bow first, then fire at the fishing trawler compartment. (According to Philippine Coast Guard)
65 years old Taiwanese Fisherman die in the incident (Commonly acknowledged facts)
MCS3001 personnel attempted to board the Fishing Trawler, so assume a dingy or rubber speed boat was used (According to Philippine coast guard)
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Above is the know fact from both authority
Known fact on boarding a ship
When a naval vessel want to board and search a vessel. The naval vessel will launch a motorized dingy or a "Motor-launch" contain a boarding party. Which usually carry assorted firearm. The boarding team usually consist a Helmsman, a Mechanic and a Master at Arms.
At that moment, the naval vessel will announce their intention over the radio (Or megaphone if they are close enough) and will use light signal to signal their intention. The Naval vessel will send out said message
"This is XXX war ship, stop or heave to and prepare to be boarded"
If target ship stopped, then the boarding party will use the launch and approach the target ship.
If the target did not stopped, the navy ship is then reiterated the instruction. With the warning of "We are carrying live ammunition"
If the target again refuse to stop. A warning shot is fire from Naval Ship main weapon, across bow (To be exact, 5 degree across bow)
If the target still refuse to stop, the next appropriate step is to fire on the engine to disable it.
If the target ship at any point shown aggression, and depend on the level of aggression, the naval vessel can use lethal force and destroy the target vessel.
This is how US Coast Guard board ship in open ocean.
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Source:
http://www.defence.pk/forums/china-...d-fisherman-philippines-12.html#ixzz2T8AsssWi