NATO Phonetic Alphabet in Law Enforcement

NATO Phonetic Alphabet in Law Enforcement

Law enforcement agencies worldwide rely on the phonetic alphabet for clear radio communication, especially when transmitting license plate numbers, suspect descriptions, and case information.

License Plate Calls

One of the most common uses:

Plate: ABC 1234
"Alpha Bravo Charlie, One Two Three Four"

Plate: XYZ 9876
"X-ray Yankee Zulu, Niner Eight Seven Six"

Suspect Descriptions

When broadcasting suspect information:

"Suspect last name: Rodriguez"
"Romeo Oscar Delta Romeo India Golf Uniform Echo Zulu"

Case and Badge Numbers

Case number: CR-2024-0458
"Charlie Romeo, dash, Two Zero Two Four, dash, Zero Four Five Eight"

Badge: B-1247
"Bravo, dash, One Two Four Seven"

10-Codes vs NATO

Many agencies use 10-codes (10-4 = acknowledged, 10-20 = location) alongside the phonetic alphabet. However, the 2005 Hurricane Katrina response revealed that different agencies used different 10-codes, causing confusion. FEMA and the National Incident Management System (NIMS) now recommend plain language and the standard NATO phonetic alphabet.

LAPD Alphabet Transition

While some agencies historically used their own alphabet (Adam-Boy-Charles), many have transitioned to NATO:

• FBI: Uses NATO standard
• DEA: Uses NATO standard
• US Marshals: Uses NATO standard
• Many local departments: Transitioning to NATO for interoperability

Dispatch Communication

A typical dispatch exchange:

"Dispatch, Unit 42, running a plate"
"Go ahead, 42"
"Sierra Alpha Mike, Seven Two Three"
"Copy, Sierra Alpha Mike Seven Two Three, stand by"

International Cooperation

When working with Interpol, Europol, or foreign law enforcement, the NATO standard ensures all agencies can communicate clearly regardless of their national language.