The two men were rushed by residents to a nearby hospital for treatment, according to Chief Superintendent Leon Nilo de la Cruz, Central Luzon police chief.
He identified the pilot-instructor as Captain Danny Yumol and the student as Abdul Muran, an Saudi Arabian national, from the Delta Air Aviation School in the village of Lumangbayan, also in Plaridel.
De la Cruz said plane crashed some 25 minutes after it took off from the Plaridel airfield at 10:50 a.m. The cause of the crash has yet to be determined.
Police said the training plane belongs to Delta Air Aviation.
Air Transportation Authorities will be investigating the cause of the crash, Bantolo said.
Saturday’s plane crash was not the first in Bulacan.
In July 2007, two training planes collided as they were preparing to land at the Plaridel airport, killing two Indian students and a Filipino instructor. Another instructor was injured.
On March 1, 2008, a Cessna 150 of flying school Flightline Aviation crashed in a village not far from the airport, killing both its Filipino flight instructor and an Indian student.
In November 2008, an Arab student and his Filipino instructor were injured after their trainer plane crashed in Bulacan.