Fire Department of the City of New York
Radio "10 CODES"

10-01   Call your quarters or other unit (specify)

10-02   Return to quarters

10-03   Call the dispatcher by telephone

10-04   Acknowledgment

10-05   Repeat message

10-06   Stand by

10-07   Verify address/location

10-08   In-service by radio

            CODE 1: Used only by Division or Battalion to indicate it is in-service by radio when leaving a quarters other than its own at which it had been off the air and to which its alarms had been routed

            CODE 2: Used by any unit to indicate it is on the air outside its response area. When the unit returns to its response area, the dispatcher must be notified again using 10-8

10-09   Off the air

10-10   Unit location

10-11   Radio test count (one to eleven)

10-12   Preliminary report

10-14   Roster staffed engine company (one officer & four firefighters)

10-18   Return all units except 1 engine AND 1 ladder

10-19   Return all units except 1 engine OR 1 ladder

10-20   Proceed at reduced speed

10-21   Brush fire

10-22   Outside rubbish fire

10-23   Abandoned/derelict vehicle fire (ADV)

10-24   Auto fire

10-25   Manhole or transformer fire or emergency

            CODE 1 - Fire extended into building

            CODE 2 - One or multiple covers blown or smoke issuing under pressure

            CODE 3 - Smoke seeping from cover

            CODE 4 - Fire or smoke condition from a transformer at any location (pole, vault, room, etc)

                 (Utility company will dispatch an emergency crew immediately on receipt of a Code 1 or 4)

            NO CODE - All others

10-26   Food on stove

10-27   Compactor or incinerator fire (no extension)

10-28   Subway/railroad fire, smoke or emergency (non-medical)

            CODE 1 - Structural fire

            CODE 2 - Non-structural fire (train fire, rubbish on tracks, etc)

            CODE 3 - Emergency (non-medical)

            CODE 4 - Request for power removal

            CODE 5 - Confirmed power turned off

            NO CODE - All others

10-31   Assist civilian (non-medical)  All calls for assistance other than medical assignments, including a unit assigned to protect EMS by diverting or blocking traffic at a highway incident, good intention calls, calls handled by other agencies, any type of investigation, searches and complaints, and lock-outs. Chapter 4 Section 1.3 of the New York Fire Incident Reporting System (NYFIRS) lists incidents and situations codes. NOTE: The 10-31 signal shall not be utilized for any incident/emergency involving evaluation of structural stability, any operation involving a rescue or mitigation effort, or any type of hazardous condition.

10-32   Defective oil burner (no extension)

10-33   Odor condition

            CODE 1 - Caused by nearby working fire, BBQ's, salamanders, etc.

            CODE 2 - Any other type odor

10-34   Sprinkler system emergency

            CODE 1 - Defective sprinkler device or system (valve, pipe, etc)

            CODE 2 - Unnecessary alarm (non-defective)

            CODE 3 - Non-fire activated (other heat source)

10-35   Unwarranted alarm system activation

            CODE 1 - Alarm system testing or servicing

            CODE 2 - Construction activities

            CODE 3 - Ordinary household activities (toast, steam, etc)

            CODE 4 - Other known cause (unauthorized smoking, etc) - requires NYFIRS report w/relevant particulars

            NO CODE - Caused by defective alarm system

10-36   Vehicle accident or emergency

            CODE 1 - Requiring washdown

            CODE 2 - Accident - no injuries or washdown

            CODE 3 - Accident with injuries

            CODE 4 - Accident requiring extrication

            NO CODE - All others

10-37   Medical assignment not associated with fire operations

            CODE 1 - Victim deceased

            CODE 2 - Victim not breathing and requires resuscitation or may be suffering from a serious, apparently life threatening injury or illness

            CODE 3 - Victim is breathing and suffering from a non-serious and apparently not life threatening injury or illness

            CODE 4 - Medical assignment where the unit is 10-84, has no patient contact and EMS is on scene

            NO CODE - All others

10-38   Carbon monoxide response

            CODE 1 - Detector activation: Investigation

            CODE 2 - Detector activation: Incident - CO readings 1-9 PPM

            CODE 3 - Detector activation: Emergency - CO readings > 9 PPM

            CODE 4 - No detector activation during incident or emergency (no detector present or did not activate)

10-39   FD Standing by at interagency incident (suspicious package, etc)

10-40   Utility emergency

            CODE 1 - Gas Emergency (leak, defective appliance, etc)

            CODE 2 - Electric Emergency (wires down, sparking fixture, etc)

            CODE 3 - Water Condition (any type of leak or flooding condition)

            CODE 4 - Steam Leak (any type of leak)

10-41   Suspicious fire

            CODE 1 - Occupied structure or vehicle

            CODE 2 - Unoccupied structure

            CODE 3 - Unoccupied vehicle

            CODE 4 - Vacant structure or structure not intended for dwelling (if squatters use Code 1)

10-42   Any Downed Tree Incident or Emergency Provide description to dispatcher and if Parks Department or electric utility is required

10-43   Any non-fire related rescue; any person(s) rescued/removed from a dangerous situation NOTE: 10-43 is a disposition code, not a request for resources and shall not be transmitted in lieu of 10-60, 10-75 or other signals

10-44   Request for ambulance

10-45   Civilian DOA or serious fire related injury (use mixer off for injured firefighter)

            CODE 1 - Victim deceased (Black Tag)

            CODE 2 - Life threatening serious injury (Red/Orange Tag)

            CODE 3 - Non-life threatening serious injury (Yellow Tag)

            CODE 4 - Non-serious injury/ambulatory (Green Tag)

            NO CODE - Stand by for patient condition (Incident Commander will consult with EMS)

10-46   Maritime Fire or Emergency

            CODE 1 - Any fire in maritime environment (example: vessel, dock, pier)

            CODE 2 -Emergency in maritime environment Examples: Vessel in distress, person(s) in the water removed by Marine personnel, hazard to navigation, hazardous materials incident in maritime environment

10-47   Request police (specify crowd, traffic, security, apprehension)

10-48   Request police forthwith for harassment

10-50   Generic notification

10-51   Suspension of outside activities

10-60   Major emergency (Bldg. collapse, train wreck, non-airport plane crash, etc.)

            CODE 1 - Enhanced technical rescue resources required

            CODE 2 - Enhanced technical rescue resources required - Large Scale (2nd alarm matrix assignment)

            NO CODE - Initial matrix assignment

10-66   Missing, lost, trapped or seriously injured member and additional resources are required (transmission of the next higher alarm plus the matrix assignment)

10-70   Water supply relay required

            (advise the second due engine they are designated as "water resource unit")

10-75   Notification of a Fire or Emergency

            (Response of 4 engines, 2 ladders, 2 BCs, Rescue, Squad, 1 FAST Truck)

10-76   Notification of a Fire in a High-Rise Bldg (Commercial or U/G)

            (Response of 4 Engines, 4 Ladders, 4 BCs, 1 DC, 1 Rescue, 1, Squad, Safety Op's BC, Rescue Op's BC, Safety Officer (5th BC), 1 FAST Truck, 1 CFR-D Engine, 1 (E) Lobby Control Unit, 1 (E) Comm Unit, 1 Field Comm Unit, 1 Mask Service Unit, 1 Hi-Rise Unit w/ (E), Tactical Support Unit, RAC unit, 1 Public Information Officer & EMS Resources)

10-77   Notification of a Fire in a Hi-Rise OMD [occupied multiple dwelling]

            (4 Engines, 4 Ladders, 3 BC, 1 DC, 1 Rescue,1 Squad, Safety Op's BC, Rescue Op's BC, 1 Safety Officer (4th BC), 1 FAST Unit, 1 CFR-D Engine, 1 Ventilation Support Unit , Field Comm Unit & EMS Resources. (Add 1 Hi-Rise Nozzle Engine IF none of the initial Engines have HRN)

10-80   Haz-Mat incident

            CODE 1 - Incident that requires resources not carried by regular field units to mitigate a spill or release that requires specialized training, equipment, and/or PPE. (Matrix Assignment - No contamination to responders or civilians)

            CODE 2 - Incident involves a spill or release with 4 or less contaminated civilians or responders and requires Haz-Mat resources for possible rescue, mitigation and decontamination. (Matrix Assignment)

            CODE 3 - Mass Decontamination incident where 5 or more civilians or responders are contaminated and additional department resources are needed above the Code 2 level. (Matrix)

            CODE 4 - Mass Decontamination Response Requiring Mass Decon Task Forces (MDTF) to decontaminate a large number of victims as quickly as possible. (Matrix Assignment)

            NO CODE Controlled by on-scene units and requires no additional resources

10-84   First unit to arrive at box (preliminary report within 5 minutes)

10-85   Fire Marshal requests Police assistance

            (specify reason and whether Fire Marshal is armed and in plain clothes)

10-86   Flouroprotein Foam Operations (special assignment)

10-87   High Expansion Foam Operations (special assignment)

10-88   Control of fire

            CODE 1 - Doubtful will hold

            CODE 2 - Probably will hold

            CODE 3 - Will hold

            CODE 4 - Under control

10-91   Medical emergency EMS, fire unit not required

10-92   Malicious false alarm

10-99   Units will operate over 30 minutes (specify reason)


UPDATED  6/13/2020