The Civil Aviation Authority of the Philippines (CAAP) on Tuesday confirmed the issuance of a Notice to Airmen (NOTAM) within the Manila Flight Information Region due to ongoing military exercises.

CAAP said the notice will be in effect from 7 a.m. on 22 January until 5 p.m. on 31 March, with vertical limits extending from the surface up to 18,000 feet.

“All flight operators are advised to exercise caution to ensure flight safety,” it added.