11-51 Police Code Meaning & Definition

What Does 11-51 Mean?

11-51 is a police radio code most commonly used to mean Ped Stop / FI (Field Investigation).

Police departments and dispatch centers may use 11-51 differently, but Ped Stop / FI (Field Investigation) is the most common meaning found in our database of agencies across the United States.

Most Common Meaning: Ped Stop / FI (Field Investigation)

Used this way by: 50% of agencies on this page
Used in: 2 agencies across 2 states
Category: Incident
Consensus: MediumMost agencies use this code similarly, but some regional or agency variations exist.

Code Distribution Breakdown

Ped Stop / FI (Field Investigation): 50% (1 agency)
Escort: 50% (1 agency)

11-51 Police Code Meanings by Agency

2 agencies across 2 states
11-51: Ped Stop / FI (Field Investigation)
CategoryIncident
State California
Agency San Diego Police Department
Sources
11-51: Escort
CategoryStatus
State Illinois
Agency Chicago Police Department
Sources

Why Does 11-51 Have Different Meanings?

Police radio codes are not standardized nationwide. Different agencies may assign different meanings to 11-51 , which is why multiple definitions can exist for the same code.

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