FDNY Radio Signals

FDNY 10 Codes

  • 10-01 Call your quarters by telephone
  • 10-02 Return to quarters
  • 10-03 Call the dispatcher by telephone
  • 10-04 Acknowledgment
  • 10-05 Repeat
  • 10-06 Stand by
  • 10-07 Verify address
  • 10-08 Available on the air
    • CODE 1: Used by battalion chiefs when leaving a firehouse to which their fire tickets were redirected
    • CODE 2: Used by any unit when they are in service by radio, but not in their first alarm response area
  • 10-09 Off the air
  • 10-10 Current location
  • 10-11 Give a radio test count
  • 10-12 First arriving unit give preliminary
  • 10-14 Roster staffed engine
  • 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 to box location at reduced speed
  • 10-21 Brush fire
  • 10-22 Outside rubbish
  • 10-23 Abandoned derelict vehicle fire
  • 10-24 Auto fire
  • 10-25 Manhole or transformer vault fire
    • CODE 1 – Fire extended into building
    • CODE 2 – Cover blown
    • CODE 3 – Smoke issuing under pressure
    • CODE 4 – Transformer fire (manhole or pole mounted)
  • 10-26 Food on stove
  • 10-27 Compactor or Incinerator Fire – Fire has not extended from compactor or shaft
  • 10-28 Subway or railroad fire, emergency or smoke condition
    • CODE 1 – Structural fire
    • CODE 2 – Non-structural fire (e.g. train fire, rubbish on the tracks, etc.)
    • CODE 3 – Non-medical emergency
  • 10-31 Assist Civilian – All calls for assistance, other than medical assignments, including good intention calls, calls handled by other agencies, any type of investigation, searches and complaints, elevator emergencies, and lockouts.
  • 10-32 Defective oil burner
  • 10-33 Odor of smoke
    • 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 equipment
    • CODE 2 – Unnecessary alarm
    • CODE 3 – Non fire activated
  • 10-35 Alarm system emergency
    • CODE 1 – Defective alarm
    • CODE 2 – Unnecessary alarm
    • CODE 3 – Recorded alarm
  • 10-36 Automobile accident or emergency
    • CODE 1 – Washdown
    • CODE 2 – Accident – no injuries or washdown
    • CODE 3 – Accident with injuries
    • CODE 4 – Accident requiring extrication
    • NO CODE – All others
  • 10-37 Assist civilian – first aid or other calls for assistance
    • CODE 1 – Victim deceased
    • CODE 2 – Victim/Patient is NOT breathing – requires resuscitation or may be suffering from a serious, apparently life threatening injury or illness.
    • CODE 3 – Victim/Patient IS breathing with apparently not life threatening illness or injury.
    • CODE 4 – Medical assignment where unit is 10-84, has no patient contact, and EMS is on-scene. This includes when a unit is assigned to protect EMS by diverting or blocking traffic at a highway incident.
    • NO CODE – All others
    • Note: Signal 10-45 with appropriate sub-code shall be transmitted in lieu of signal 10-37 for thermal burn injuries which occur as a direct result of heat from a flame. The officer transmitting signal 10-45 for this type of burn injury shall request response of a Battalion Chief to the scene. Where doubt exists as to which type of signal to transmit, a Battalion Chief shall be requested to respond to the scene.
  • 10-38 Carbon monoxide response
    • CODE 1 – Detector activation (defective, low-battery, unwarranted)
    • CODE 2 – Detector activation – CO incident – Readings 1-9 PPM
    • CODE 3 – Detector activation – CO emergency – Readings > 9 PPM
    • CODE 4 – No detector activation during incident or emergency (No detector present or did not activate)
  • 10-39 FD units standing by at interagency incident, e.g., standing by at a suspicious package
  • 10-40 Utility emergency
    • CODE 1 – Gas
    • CODE 2 – Electric
    • CODE 3 – Water condition
    • CODE 4 – Steam leak
  • 10-41 Suspicious fire
    • CODE 1 – Occupied building or vehicle
    • CODE 2 – Unoccupied building
    • CODE 3 – Unoccupied vehicle
    • CODE 4 – Vacant building
  • 10-44 Request for public ambulance
  • 10-45 Fire related injury
    • CODE 1 – Black tag
    • CODE 2 – Red tag
    • CODE 3 – Yellow tag
    • CODE 4 – Green tag
  • 10-47 Request police
  • 10-48 Request police forthwith for harassment
  • 10-51 Cancellation of outside activities
  • 10-60 Major emergency (Bldg collapse, train wreck, Etc.) 8 Engines, 5 Ladders (one being the FAST Unit), 6 Battalion Chiefs (3rd due chief is Safety Officer; 6th due chief is Resource Unit Leader), 2 Deputy Chiefs, 2 Rescue Companies, 2 Collapse Units, 2 SOC Support Trucks, SOC logistics van, Squad 1 with is Technical Response Vehicle, 1 additional Squad, Rescue Battalion, Haz-Mat Battalion, Safety Battalion, Field Communications Unit, Satellite Unit with its associated Engine, RAC Unit, and a Mobile Command Center). Also, a Battalion responds and meets NYPD Aviation to provide Air Recon.
  • 10-66 Missing, lost, trapped, or seriously injured member requiring extrication (Increases response by transmission of the next higher alarm, 1 additional deputy chief, 2 battalion chiefs, the collapse unit from the borough of incident, a collapse rescue task force, an additional squad, a SOC Support ladder, a FAST unit, a CFR-D engine, SOC Logistics support van, SOC Compressor truck, SOC Dewatering unit, Public Information officer, EMS division captain, EMS Haz-Tac officer, a BLS ambulance, an ALS ambulance, an EMS Rescue Paramedic ambulance, OMA response physician and a medical officer.) If the cause of the 10-66 is due to a collapse, a signal 10-60 also must be transmitted.
  • 10-70 Water supply required – A notification that the first arriving engine has no positive water source.
  • 10-75 Request 4 engines, 2 ladders, 2 BC’s, a Rescue and Squad, and a FAST truck
  • 10-76 High-rise building fire (Response of 5 engines, 5 ladders, 4 battalion chiefs, 1 deputy, 1 rescue, Mask Service Unit, Hi-Rise Unit, Field Comm Unit, a Squad, a Tactical Support unit, a RAC unit, the Special Operations battalion chief, the Safety Operating battalion chief, a safety officer, and a lobby control unit.)
  • 10-77 High-rise multiple dwelling fire (Response of 5 engines, 5 ladders, 3 battalion chiefs, 1 deputy, 1 rescue, 1 squad, the Special Operations battalion chief, a safety officer, Field Comm unit, and the Safety Operating battalion chief.)
  • 10-80 Haz-Mat incident. Incident can be controlled by units already on scene. Haz Mat and the Haz Mat battalion may be special called.
    • CODE 1 – An incident that requires additional resources not carried by regular field units to mitigate a spill or release that requires specialized training, knowledge, equipment or PPE. Transmission of a 10-80 code 1 does not involve contamination of civilians or responders. Box will be filled out to 4 engines, 2 ladders, 2 battalion chiefs, 1 deputy chief, FAST unit, Haz Mat battalion, Haz Mat unit, Haz Mat tech unit, 1 rescue, Haz Tac ambulance, Haz Tac conditions chief, 1 BLS ambulance, Conditions officer.
    • CODE 2 – An incident that involves a spill or release with 4 or less contaminated civilans or responders and requires Haz Mat resources for possible rescue, mitigation and decontamination. Units assigned on a 10-80 code 2 include the assignment of a 10-80 code 1 plus: Safety battalion, Rescue battalion, 3 additional battalion chiefs, Field Comm, 1 additional Haz Mat tech unit, Decon Support unit, Tac unit, Chemical Protective Clothing unit (CPC unit), 1 additional Haz Tac ambulance, BLS ambulance, ALS ambulance, RAC unit, PIO officer, Medical Director.
    • CODE 3 – And incident where 5 or more or responders are contaminated and additional Department resources are needed above the code 2 level. Units assigned on a 10-80 code 3 include the assignment of a 10-80 code 2 plus: Command Chief, 1 additional Deputy chief, 3 additional Haz Tac ambulances, Decon Shower unit, 1 additional Haz Tech unit, 3 additional CPC units, 1 additional RAC unit, Mask Service unit, EMS Deputy chief, BLS ambulances, ALS ambulances.
    • CODE 4 – A mass decontamination response to decontaminate a large number of victims as quickly as possible. A 10-80 code 4 will result in the dispatch of a 10-80 code 3 plus the Mass Decon Task Force. The MDTF is 1 battalion chief, 2 engines, 1 CPC tower ladder, 1 Haz Tac ambulance, 2 Soc Support ladders or HHTUs to monitor victims to determine the need for additional Techincal Decon. For every 250 victims, an additional MDTF will be called.
  • 10-84 Announce arrival at box
  • 10-86 Fluoroprotein Foam Operation
  • 10-91 Emergency with no action taken. Any legitimate request for assistance where the responding FD units are not required to take any action. (I.E. police matters; disputes; Etc.) For medical emergencies, any call where: the patient refuses medical attention (RMA); responding units are cancelled en route because EMS is already on the scene; no FD action is taken because EMS arrives simultaneously or shortly after FD arrival.
  • 10-92 Malicious false alarm
  • 10-99 Units will operate over 30 minutes

Revised 3/3/10

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