Metropolitan Police Department, Washington (DC)

Ten Codes

• 10-1 unable to copy radio transmission
• 10-4 two officer unit
• 10-4+ three or more officer unit
• 10-7 out of service
• 10-8 in service
• 10-22 disregard call/assignment
• 10-27 request for information on license
• 10-28 request vehicle registration information
• 10-29 request criminal record check on subject
• 10-30 subject has current/outstanding warrants
• 10-30-T subject has suspended license, no license, or other traffic related issue
• 10-33 emergency - officer needs assistance
• 10-50 motor vehicle accident
• 10-50-I motor vehicle accident with injuries
• 10-89 bomb-threat
• 10-99 one officer unit

Response Codes

• Code 1: Emergency lights/sirens activated
• Code 2: Proceed directly to scene w/lights only, no sirens

Terms/Abbreviations

• The Board: Fire Department/EMS
• The Block: Central Cell Block
• The General: DC General Hospital
• No Permit: no drivers license
• Apparent Natural: person apparently dead of natural causes
• CCB: Central Cell-Block
• MO: Mental Observation, subject mentally ill
• EPRD: Emergency Psychiatric Response Division, MO holding facility
• POCA: Possession of Open Container of Alcohol
• APO: Assault on a Police Officer
• AWIK: Assault With Intent to Kill
• CPWL: Carrying a Pistol Without a License
• ADW: Assault with Dangerous/Deadly Weapon
• FTA: Failed To Appear (in court)
• UUV: Unauthorized Use of a Vehicle
• UCSA: Uniform Controlled Substance Act
• PWID: Possession With Intent to Distribute
• CDU: Civil Disturbance Unit, riot squad
• SOD: Special Operations Division
• JOCC: Joint Operations Command Center
• SOCC: Synchronized Operations Command Center
• WALES: Washington Area Law Enforcement System
• NCIC: National Crime Information Center
• ERT: Emergency Response Team, SWAT team.
• CSOSA: Court Services and Offender Supervision Agency
• MDT: Mobile Data Terminal, in-car computers, often not functional
• CCN: Complaint Control Number, six digit report number
• GOA: Gone On Arrival
• SOW: Sent On Way

Unit Identifiers

• Patrol officers use 4-digit unit IDs. The first number is the district (1-7), the second two digits along with the first digit designate the Police Service Area (PSA) and the last digit is a unique identifier. For example, 2021 is 2nd District, PSA 202, 1st unit.

• 1-7 unit numbers with three following numbers (the PSA cars) 1011-707X. Any PSA car ending in "9" is a Master Patrol Officer. Any Cruiser number (1010-7070) is a PSA Sergeant. Lieutenants have three digit cruiser numbers corresponding to their PSA (101-707). Captains and Commanders of districts utilize a two digit system. Cruiser 11 is the 1st district Commander. 52 and 53 are 5th district Captains. A watch Commander is Cruiser 100-700. The Nighthawk (Chief of the District at night) is for some reason Cruiser 28.

• Cruiser 9xxx can be anything from Crime Scene to Communications. 9239 is a Crime Scene cruiser. These cruisers are also Administrative cruisers like the SOMB (Security Officers Management Branch) or Office of Organizational Development.

• 8600 series and 8800 series cruisers are SOD. This can be anything from K-9 to ERT or EOD. Cruiser 1 is of course the chief. 2, 3 and 4 are various assistant Chiefs and ROC Chiefs.

• Any Cruiser identified as 1-David-11 through 7-David-99 is a detective cruiser.

• The various Power Shift, Focus Mission and Street Crime cruisers identify using their title with a number following. Station Radios (District Station Personnel) identify as a multiple of 1000 (Station 1000 through 7000).