Manila, Oct. 24 -- Four Philippine Air Force (PAF) pilots were killed when two SF-260 trainer aircraft crashed during a training flight at Fernando Air Base on Friday, prompting the temporary grounding of all SF-260 aircraft pending an investigation into the accident.

In a post on X, the Philippine Air Force said it "mourns the loss of four pilots in an aviation accident involving two SF-260 aircraft during a training flight at Fernando Air Base on October 23, 2026, at 3:51 PM."

Both aircraft went down within the perimeter of the air base, with no other casualties reported, according to the PAF.

The Philippine Air Force said an investigation was underway to determine the cause of the accident. It added that all SF-260 aircraft had been...