The FAA subject classification codes provides a standard subject numbering system to identify agency documents. This table contains a numerical classification outline of major numerical series. These codes are useful for understanding the subject of an FAA order based on the order number. Reference FAA order 0001.G.
| Classification Code | Major Topic |
|---|---|
| 0000 | Checklists and Indexes |
| 1000 | Administration, Management, and Policies - General |
| 1100 | Organization, Authorities, and Functions |
| 1200 | External Relations - General |
| 1300 | Management Programs |
| 1400 | Civil Rights Program |
| 1500 | Travel and Transportation |
| 1600 | Investigations and Security |
| 1650 | Civil Aviation Security |
| 1700 | Administrative Services - General |
| 1800 | Program Management and Appraisal |
| 1900 | Emergency Readiness and Operations |
| 2000 | Legal |
| 2200 | Contracts - Legal Functions |
| 2300 | Litigation |
| 2400 | Financial Management - General |
| 2500 | Budget |
| 2600 | Appropriation and Funding |
| 2700 | Accounting |
| 2800 | Financial Reporting |
| 2900 | Auditing |
| 3000 | Training |
| 3100 | Training Programs |
| 3200 | Personnel Management |
| 3300 | Employment |
| 3400 | Employee Performance |
| 3500 | Position Classification, Pay and Allowance |
| 3600 | Attendance and Leave |
| 3700 | Personnel Relations and Services |
| 3800 | Insurance and Annuities |
| 3900 | Employee Health and Safety |
| 4000 | Agency Aircraft Management |
| 4100 | Aircraft Maintenance and Modification |
| 4200 | Supply Support Activities |
| 4400 | Acquisition and Procurement |
| 4500 | Logistics |
| 4600 | Property Management |
| 4700 | Materiel Receipt, Storage, and Issue |
| 4800 | Utilization and Disposal (Personal Property) |
| 4900 | Personal Services |
| 5000 | Airports, Launching, and Landing Facilities |
| 5100 | Airport Improvement Program/Federal-Aid Airport Program/Airport Development Aid Program |
| 5200 | Airport Safety |
| 5300 | Airport Design, Construction, and Maintenance |
| 5400 | Federally-Owned or Operated Airports |
| 5900 | Planning Grant Program |
| 6000 | Airway Facilities |
| 6100 | Data Systems |
| 6200 | Test Equipment - General |
| 6300 | Radar Equipment |
| 6450 | Airway Facilities Central Operations Facilities |
| 6500 | Communications and Flight Assistance Facilities |
| 6600 | Communications Equipment |
| 6700 | Navigational Aids (NAVAIDS) |
| 6800 | Frequency, Landing and Lighting Equipment |
| 6900 | Plant, Structures, and Grounds |
| 7000 | Air Traffic Management |
| 7100 | Air Traffic Procedures |
| 7200 | Air Traffic Operations and Standards |
| 7300 | Communications, Operations |
| 7400 | Airspace Allocation and Use |
| 7500 | Military Operations - Air Traffic |
| 7600 | Security Control of Air Traffic |
| 7700 | Air Traffic Regulations |
| 7800 | Air Traffic Control Automation Program |
| 7900 | Flight Information |
| 8000 | Flight Safety, Standards and Procedures - General |
| 8100 | Airworthiness Certification |
| 8200 | Flight Inspection and Procedures |
| 8300 | Maintenance Certification and Surveillance |
| 8400 | Operations Certification and Surveillance |
| 8500 | Aeromedical Certification |
| 8600 | General Aviation Airworthiness |
| 8700 | General Aviation Operations |
| 8800 | Commercial Space Operations |
| 8900 | Commercial Space Re-Entry Operations |
| 9000 | Aviation Medicine - General |
| 9100 | Aeromedical Standards |
| 9400 | Commercial Space Transportation - R&D |
| 9500 | Research and Development - General |
| 9700 | Aircraft Systems, Components, and Accessories - R&D |
| 9800 | Air Traffic and Navigational Systems - R&C |
| 9900 | Physical and Natural Sciences |