Police Radio 11-Codes

Eleven-codes compose a system of numeric code words devised by the California Highway Patrol to describe dispatches or situations frequent to the work of the Patrol. They are also used alongside ten-codes and other voice radio protocols.

Code Description
11-6 Illegal discharge of firearms
11-7 Prowler
11-8 Person down
11-10 Take a report
11-12 Dead animal
11-13 Injured animal
11-14 Animal bite
11-15 Ball game in street
11-17 Wires down
11-24 Abandoned vehicle
11-25 Road/traffic hazard
11-25x Female motorist needs assistance
11-26 Inoperable vehicle
11-27 Subject has felony record but is not wanted
11-28 Check vehicle registration information
11-29 Subject has no record
11-30 Incomplete telephone call
11-31 Person calling for help
11-40 Advise station if ambulance is needed
11-41 Request ambulance
11-42 Ambulance not required
11-43 Doctor required
11-44 Possible fatality / coroner required
11-45 Attempted suicide
11-46 Death report
11-47 Injured Person
11-48 Provide transportation
11-51 Escort
11-52 Funeral detail
11-54 Suspicious vehicle
11-55 Officer being followed by auto
11-56 Officer being followed by auto with dangerous persons
11-57 Unidentified auto at assignments
11-58 Radio monitored, use phone
11-59 High hazard area, use special attention
11-60 Attack in high hazard area
11-65 Traffic Signal light out
11-66 Traffic signal out-of-order
11-70 Fire alarm
11-71 Fire report
11-78 Aircraft accident
11-79 Traffic accident - ambulance dispatched
11-80 Traffic accident - serious injury
11-81 Traffic accident - minor injury
11-82 Traffic accident - no injury
11-83 Traffic accident - no details
11-84 Manual traffic control needed
11-85 Tow truck needed
11-86 Bomb threat
11-87 Bomb found / Assist Other Unit
11-94 Pedestrian stop
11-95 Out of vehicle, routine traffic stop
11-96 Out of vehicle, traffic stop, send backup
11-97 Time/security check on patrol
11-98 Meet officer
11-99 Officer needs help immediately

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