Memorandum Circulars Memorandum Circular No. 2025-002, S.2025 2025-04-22 Clarification on Certain Provisions of the National Civil Aviation Security Program (NCASP) 2024 Office for Transportation Security · ONAR 25-0456
Memorandum Circulars Memorandum Circular No. 2025-001, S.2025 2025-03-04 Revised Guidelines for the Certification of Company Security Officer (CSO) and Port Facility Security Officer (PFSO) and Revised Composition of Certification Jury for Maritime Office for Transportation Security · ONAR 25-0282
Memorandum Circulars Memorandum Circular No. 003, S. 2024 2024-12-11 Security by Design Standard for Land and Rail Transportation Facility Projects Office for Transportation Security · ONAR 24-1263
Memorandum Circulars Memo Circular No. 002 S. of 2024 2024-09-06 Revised Prohibited Items List 2024 (AVIATION) Office for Transportation Security · ONAR 24-0944
Memorandum Circulars Memo Circular No. 001 S. of 2024 2024-09-05 2024 Edition of the National Civil Aviation Security Program (NCASP) Office for Transportation Security · ONAR 24-0982
Memorandum Circulars Memo Circular No. 001 S. of 2024 2024-06-03 2024 Edition of the National Civil Aviation Security Program (NCASP) Office for Transportation Security · ONAR 24-0622
- Memo Circular No. 007 S. of 2023 2023-11-08 Risk Assessment Methodology Office for Transportation Security · ONAR 23-1106
Memorandum Circulars Memo Circular No. 006 Series of 2023 2023-10-24 Extension of MC 006 Series of 2022 Re: Temporary Authorization for Port/Port Facilities to Conduct Maritime Security Awareness Training (MSAT) for Personnel With and Without Designated Security Duties Through Its Port Facility Security Officers (PFSO's) Office for Transportation Security · ONAR 23- 1060
Memorandum Circulars Memorandum Circular No. 005 2023-07-14 Guidelines for the Resumption of Aviation Security Refresher Training, Evaluation for Certification, and Accreditation of Training Institutes, Centers, amd Schools (ICS) after the Lifting of the Moratorium Office for Transportation Security · ONAR 23-0702
- Memorandum Circular No. 004, S. 2023 2023-07-07 Temporary Lowering of Educational Requirements of Aviation Security Screeners Office for Transportation Security · ONAR 23-0675
- Memorandum Circular No. 003, S. 2023 2023-06-07 Suspension of Refresher Course Requirement for the Renewal Certification of Maritime Security Staff Office for Transportation Security · ONAR 23-0592
- Memorandum Circular No. 002, S. 2023 2023-06-07 Cancellation of Memorandum Circular No. 005, Series of 2020, on the Desktop Security Audit During State of Calamity Office for Transportation Security · ONAR 23-0592
- Memorandum Circular No. 001, S. 2023 2023-06-07 Cancellation of MC No. 001, Series of 2020, on the Extension of Period of Validity of Interim Certificates Due to Declaration of State of Calamity Office for Transportation Security · ONAR 23-0592