This Invitation for Bid (IFB) is for the inspection, maintenance, and repair of six (6) Bell 407GX helicopters, three (3) airplanes consisting of one (1) Cessna Caravan 208, two (2) Beechcraft King Air 360, eleven (11) aircraft engines consisting of six (6) M250-C47B, one (1) PT6A-140, and four (4) PT60A-67A, aircraft mission equipment, including but not limited to: EO/IR camera systems, search lights, Augmented Reality Mapping Systems (ARS), microwave/cellular downlink systems, monitors, and tactical radios/antennas owned and operated by the Pennsylvania State Police (PSP). Contract award will be to all responsive and responsible Offerors by lot. Services to be affective upon issuance of valid purchase orders for a period of one (1) year with four (4) optional one (1) year renewals.