Live Air Traffic Control YKF Waterloo Regional Airport Live ATC

Live Air Traffic Control YKF Waterloo Regional Airport Live ATC

Police Codes and References

Listening to a Police scanner feed can be a little confusing at times.

Police departments use a variety of codes for identification and to relay information. This eliminates the need for an 'on air explanation'. Two commonly used sets of codes are the "10 codes" and "900 codes". For example, 10-4 means "Message Understood", and if police are told to respond to a 935, they are responding to a possible "Intoxicated Person". (See a complete list below)

If you determine there are errors or any additions to the information below, and you wish to contribute, please submit an email. Thank you.


 

Number of listeners:

900 Bomb threat 923 Escape 946 Prowler 969 Injured person
901 Homicide 924 Fire 947 Suspicious person 970 Missing juvenile
902 Sudden death 925 Theft alarm 948 Suspicious vehicle 971 Privately towed vehicle
903 Attempted suicide 926 Assist citizen 949 Arrest 972

Motorcycle complaint
904

Sex offense

 927 Assist officer 950 Property accident 973 By-law complaint
905 Indecent act 928 Locate 951 Accident person injured 974 Check premises
906 Threatening 929 Phone call 952 Hit and run accident 975 Paid duty
907 Assault 930 Disturbance 953 Accident - fatality 976 Follow up
908 Abduction 931 Landlord-tenant dispute 954

Traffic enforcement

 977 Arrest on warrant
909 Robbery 932 Neighbor dispute 955 Driving complaint 978 Arson
910

Extortion

 933 Domestic dispute 956 Traffic control 979 Theft under $5000
911 Break and enter 934 Labor dispute 957 Impaired driver 980 Routine detail
912 Theft 935 Intoxicated person 958 High speed chase 981 Provincial alert
913 Auto theft 936 Unwanted person 959 Parking complaint 982

Zone alert
914 Possess stolen property 937 Mentally ill person 960 Abandoned vehicle 983 Administrative alert
915 Fraud 938 Public mischief 961 Liquor offense 984 Missing adult located
916 Counterfeiting 939 Dangerous condition 962 Animal complaint 985 Missing juvenile located
917 Weapon 940 Industrial accident 963 Noise complaint 986 Property returned
918 Property damage 941

Farm accident

 964 Escort 987 Stolen vehicle recovered
919 Prostitution 942

Insecure location

 965 Juvenile offense 988 Vehicle break and enter
920 Gambling 943 Lost property 966 Probation offense 991 Graffiti related
921 Drugs 944 Found property 967 Search warrant 993 Domestic- not husb/wife
922 Missing person 945 Trespassing 968 Shoplifting complaint 999 Other
 
Below are the "10 codes". You will hear a minor variation in the use of the words 10-4. 10-4 means "message understood", however, it is also used to confirm that an officer is alright, and the situation is stable.

You will hear a dispatcher say, "is everything 10-4 there?", or "are you 10-4?" The dispatcher is not interested in whether the message was understood, but wants to know if the officer is safe, and has everything under control.
 
10-1 Receiving poorly 10-7

Out of service

 10-21 Call by telephone 10-63 Subject wanted
10-2 Receiving well 10-8 In service 10-33 Emergency 10-64 Proceed with caution
10-3 Stop transmitting 10-9 Repeat message 10-36 Correct time 10-65 Assist with 10-64
10-4 Message understood 10-10 Switch common channel 10-60 Subject negative 10-66 Observation category
10-5

Relay message

 10-19 Return to station 10-61 Has record - not wanted 10-67 Parolee category
10-6 Busy - stand by 10-20 What is your location? 10-62 Subject possibly wanted 10-68 Charged category
 
You will often hear a police dispatcher refer to a C-N-I (Central Names Index). A "positive C-N-I" means the person in question has been listed in the CNI police computer system with certain "Flags" (see below). Other information from a C-N-I is usually clearly explained by a dispatcher.
 
Flag A Believed Armed Flag C Believed Contagious Flag E Escape Risk Flag F Family Violence
Flag M Believed to be Mentally Ill Flag R Unknown Flag S Believed Suicidal Flag V Believed Violent
 

The Region of  Waterloo Police units communicate using individual designations. These designations usually start with a 3 digit number. The first number in the sequence lets you know their association within the police department.

For example, if the dispatcher makes a call to unit 323D (first number 3), you know they are contacting a unit from the Waterloo Division. All unit designations starting with the number 3 work from the Waterloo Division. See the entire list below.
 

1xx Division 1 units (Kitchener)
2xx Division 2 units (Cambridge)
3xx Division 3 units (Waterloo)
4xx Summons Officers
5xx

Traffic (including R.I.D.E. Patrols)
6xx Detectives
7xx Identification (Forensic Identification Units)
8xx Homicide/Major Case?
9xx K9 Units. Foot patrols may be included in this unit designation
19xx Special Events/Paid Duty/etc (Kitchener)
29xx Special Events/Paid Duty/etc (Cambridge)
39xx Special Events/Paid Duty/etc (Waterloo)
ASxx Police Auxilary (usually on talkgroup Special Events 1 or 2 )
BCxx Bylaw Cambridge
BKxx Bylaw Kitchener
BWxx Bylaw Waterloo
ERxx Emergency Response
MCxx Motorcycle Unit
Sxx Sergeant
SRxx School Resource
TBxx Trail Bike (Bylaw Units)
   
Again, if you determine there are errors or additions to the information above and you wish to contribute, please send an email. Many thanks.
 

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