Pre-bid conference is scheduled for May 21 at 1 p.m. PAF Procurement Center Conference Room, Villamor Air Base, Pasay City.
The submission and opening of bids is at 9 a.m. at the same venue, on June 4.
Prospective bidders should have an experience in similar project within the last five years.
The PAF is known to operate three units of the F-27 for transport missions.
Last May 11, an F-27, on training mission, was damaged after its nose gear collapsed while landing at the Legazpi Airport in Albay.
The Philippine Air Force 220th Airlift Wing Fokker F27 and C-130 Hercules tactical and transport airlifters.