What: Philippine Navy Volco 411 helicopter performing routine maneuvers
Where: 1,500 yards from Great Santa Cruz Island Philippines
When: August 17 2010
Who: 5 aboard, two missing pilots: First Lieutenant Cristan Corpuz and First Lieutenant Gerald Tamayo
Why: The crew was engaged in documenting a Special Operations unit Amphibious Small Boat exercise; they were taking aerial photos and videos when they seemed to have engine trouble–although the actual cause will be a mystery until the investigation.
The US is going to assist in recovery with their towed sonar. The crash site us 8 to 9 fathoms deep.
Petty Officers Abdon Martinez, Noel Ridad and Rodolfo Pataweg are the survivors.