APCO

In APCO 10-codes, 10-45 refers to "Injured person."

This code is used by law enforcement or emergency responders to indicate that there is a person who has been injured and may require medical attention.

For example:

In APCO 10-codes, 10-44 refers to "Request for assistance."

This code is used by law enforcement officers or emergency responders to communicate that they require help from additional personnel or resources. It serves as a formal request for backup or support in a given situation.

For example:

In APCO 10-codes, 10-43 refers to "Information received."

This code is used by law enforcement officers or emergency responders to indicate that they have received information relevant to their duties. It serves as a confirmation to dispatch or other personnel that the message or data has been acknowledged and understood.

For example:

In APCO 10-codes, 10-42 refers to "End tour of duty."

This code is used by law enforcement officers or emergency responders to indicate that they are finishing their shift or ending their active duty for the day. It serves as a formal announcement that they are no longer available for service and will not be responding to calls.

For example:

In APCO 10-codes, 10-41 refers to "Begin tour of duty."

This code is typically used by law enforcement officers or emergency responders to indicate that they are starting their shift or beginning their active duty for the day. It serves as a way to formally announce their availability for service and readiness to respond to calls.

For example:

In APCO 10-codes, 10-40 refers to "Silent run, no lights or siren."

This code is used by law enforcement officers to indicate that they are responding to a call or situation but will do so without activating their emergency lights or siren. This typically means that the response does not require immediate urgency or that the officer is proceeding in a way that minimizes disruption to the public.

For example:

In APCO 10-codes, 10-4 means "Acknowledgment" or "Affirmative."

It is one of the most widely recognized 10-codes and is used to confirm that a message has been received and understood. For example, if a dispatcher gives an instruction or provides information, the responding officer can reply with 10-4 to indicate that the message was received:

In APCO 10-codes, 10-39 refers to "Urgent use lights and siren."

This code is used by law enforcement officers to indicate that they are responding to a situation that requires immediate attention and that they will be activating their emergency lights and siren. This signals to other drivers and pedestrians that the officer needs to navigate through traffic quickly to reach the scene of an incident or emergency.

For example:

In APCO 10-codes, 10-38 refers to "Stopping a suspicious vehicle."

This code is used by law enforcement officers when they are initiating a stop on a vehicle that appears to be suspicious. It indicates that the officer has decided to take action based on observations or reports regarding the vehicle's behavior, appearance, or location.

For example:

In APCO 10-codes, 10-37 refers to "Suspicious vehicle."

This code is used by law enforcement officers to report or inquire about a vehicle that appears to be suspicious or out of place. This could involve a vehicle parked in an unusual location, a vehicle associated with suspicious activity, or any situation where the presence of the vehicle raises concerns.

For example: