| Abbreviation |
Description |
| A/ |
Acting Rank |
| AA |
Automobile Association or Alcoholics Anonymous |
| AAIB |
Air Accident Investigation Branch |
| AAO |
Alarms Administration Office |
| ABC |
Acceptable Behaviour Contract or Activity Based costing |
| ABH |
Actual Bodily Harm |
| ABI |
Association of British Insurers |
| ACCOLC |
ACCess Over-Load Control |
| ACC |
Assistant Chief Constable |
| ACPO |
Association of Chief Police Officers |
| ACPORP |
Association of Chief Police Officers Road Policing Committee |
| ADAS |
Agricultural Development and Advisory Service |
| ADC |
Assistant Divisional Commandant |
| ADR |
European Agreement concerning the international carriage of Dangerous goods by Road |
| A&E |
Accident and Emergency |
| AEA |
Approved Enforcement Agency |
| AEU |
Accident Enquiry Unit |
| AEAC |
Atomic Energy Authority Constabulary |
| AFO |
Authorised Firearms Officer |
| AFR |
Automatic Fingerprint Recognition |
| AGR |
Advanced Gas-cooled Reactor |
| AIDS |
Acquired Immune Deficiency Syndrome |
| AIS(M) |
Aeronautical Information Service (Military) |
| ALO |
Architectural Liaison Officer |
| ANPR |
Automatic Number Plate Recognition |
| APA |
Association of Police Authorities |
| APCSO |
Accredited Police Community Support Officer |
| APS |
Acting Police Sergeant or (Former) Accelerated Promotion Scheme |
| APSG |
(Former) Accelerated Promotion Scheme for Graduates |
| ARCC |
Aeronautical Rescue Co-ordination Centre |
| ARV |
Armed Response Vehicle |
| A/S |
Arrest/Summons |
| ASBO |
Anti-Social Behaviour Order |
| ASU |
Air Support Unit |
| ASW |
Approved Social Worker |
| ATC |
Air Traffic Control |
| ATS |
Automated Traffic Signal |
| AV |
Anti-Virus |
| ATC |
Air Traffic Control |
Introduction