• Bid Bulletin No. 01 - Bid No. 19-003-09 CHARLIE - Antique Airport Development Project (Runway Asphalt Overlay), Bid No. 19-005-09 - Completion of CHB Fence at Ormoc Airport
• Bid Bulletin No. 01 - Bid No. 19-004-09 CHARLIE - Masbate Airport Development Project - Phase 1 (Shoulder Grade Correction, Rehabilitation of VPA and Concreting of Ramp Area Including Drainage Canal)
• Bid Bulletin No. 01 - Bid No. 19-010-10 CHARLIE - Upgrading of Power System at General Santos (Tumbler) Airport
• Bid Bulletin No. 01 - New Schedules for Bid No. 19-003-09 and Bid No. 19-005-09 - CHARLIE
• Bid Bulletin No. 01 - New Schedules for Bid No. 19-006-09, Bid No. 19-007-09 and Bid No. 19-008-09 - CHARLIE
• Bid Bulletin No. 01 - New Schedules for Bid No. 19-012-12 and Bid No. 19-013-11 - CHARLIE
• Bid Bulletin No. 02 - Bid No. 19-004-09 CHARLIE - Masbate Airport Development Project - Phase I (Shoulder Grade Correction, Rehabilitation of VPA and Concreting of Ramp Area Including Drainage Canal)
• Bid Bulletin No. 02 - Bid No. 19-009-10 CHARLIE - Purchase / Installation of Communications Equipment for Bicol (New Legazpi) International Airport
• Bid Bulletin No. 02 - Bid No. 19-010-10 CHARLIE - Upgrading of Power System at General Santos (Tumbler) Airport
• Bid Bulletin No. 02 - Bid No. 19-011-11 CHARLIE - Bukidnon Airport Development Project (Concreting of Runway (1,260 M), Concrete Pipe Conduits, Box Culvert, and Construction of Apron, North & South Taxiway)
• Bid Bulletin No. 02 - New Schedules for Bid No. 19-014-12, Bid No. 19-015-12 - CHARLIE
• Bid Bulletin No. 03 - Bid No. 19-009-10 CHARLIE - Purchase / Installation of Communications Equipment for Bicol (New Legazpi) International Airport
• Bid Bulletin No. 03 - Bid No. 19-010-10 CHARLIE - Upgrading of Power System at General Santos (Tumbler) Airport
• Supplemental / Bid Bulletin No. 01 - Bid No. 19-001-08 CHARLIE - Construction of Perimeter Fence at Bislig Airport
• Supplemental / Bid Bulletin No. 01 - Bid No. 19-002-08 CHARLIE - Improvement of Airport Facilities at Calbayog Airport
• Supplemental / Bid Bulletin No. 01 - Bid No. 19-009-10 CHARLIE - Purchase and Installation of Communications Equipment for Bicol (New Legazpi) International Airport
• Supplemental / Bid Bulletin No. 02 - Bid No. 19-009-10 CHARLIE - Purchase and Installation of Communications Equipment for Bicol (New Legazpi) International Airport