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 only by a 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 Current location
10-11 Give a radio test count
10-12 First arriving unit give preliminary
10-13F.M. Requests Immediate Police Assistance
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
- NO CODESituation other than 1, 2, 3, or 4
- CODE 1 - Fire extended into building
- CODE 2 - One or more covers blown, under pressure
- CODE 3 - Smoke seeping from manhole
- CODE 4 - Transformer fire (manhole or pole mounted)
10-26 Food on stove
10-27 Compactor or incinerator fire
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
10-29 - Elevator emergency
- CODE 1 - Occupied
- CODE 2 - Unoccupied
10-31 Assist civilian - non-medical
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 - Unwarranted alarm
- CODE 3 - Heat activated
10-35 Unwarranted or unnecessary alarm system activation
- NO CODE - Unwarranted alarm
- CODE 1 - Unnecessary alarm caused by alarm system testing or servicing.
- CODE 2 - Unnecessary alarm caused by construction activities
- CODE 3 - Unnecessary alarm caused by ordinary household activities
- CODE 4 - Unnecessary alarm caused by other known causes (e.g., smoking in unauthorized areas.)
10-36 Automobile accident or emergency
- NO CODEVehicle emergency other than below
- 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 Medical assignment not associated with fire operations
- CODE 1 - Victim deceased (non-fire related)
- CODE 2 - Victim not breathing - requires resuscitation
- CODE 3 - Victim is breathing with illness or injury
- CODE 4 - Medical assignment where the unit is 10-84, has no patient contact and EMS is on 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 structure or structures not intended for dwelling purposes.
10-42 - Any downed tree incident or emergency
10-43 - Any non-fire related rescue
10-44 Request for public ambulance
10-45 Fire related injury
- CODE 1 - Deceased
- CODE 2 - Life threatening injury
- CODE 3 - Non-life threatening injury
- CODE 4 - Non-Serious / Ambulatory
10-46 - Maritime fire or emergency
- CODE 1 - Fire in a maritime environment
- CODE 2 - Emergency in a maritime environment
10-47 Request police
10-48 Request police forthwith for harassment
10-51 Cancellation of outside activities
10-60 Major Emergency Response (e.g. collapse of a private dwelling, derailment of a subway car)
- 5 Engine Companies
- 3 Ladder Companies
- 4 Battalion Chiefs
- 1 Deputy Chief
- 1 FAST Unit
- 1 Rescue Task Force - which includes 1 Rescue Co., 1 Collapse Rescue, 1 Squad Co. w 2nd Piece
- 1 SOC Support Ladder (When a Collapse Rescue is transported by a SSL, no additional SSL is required)
- 1 Haz-Tac Officer
- 1 Rescue Paramedic Unit
- 1 Additional Rescue Co.
- Rescue Battalion
- Safety Battalion
- 1 Tactical Support Unit
- SOC Logistics Support Unit
- SOC Compressor Unit
- Con Edison Vacuum Truck
- Haz-Mat Battalion
- Haz-Mat Company #1
- Haz-Mat Technician Engine Company
- Communication Unit
- Field Communications Unit
- Recuperation and Care (RAC) Unit
- Public Information Officer
10-60 Code 1 Major Emergency Response - Enhanced 2nd Alarm - 10-60 assignment plus:
- 2nd Alarm if not transmitted prior to the 10-60 Code 1
- 5 Additional Engine companies
- 3 Additional Ladder Companies
- 2 Additional Battalion Chief's
- 1 Additional Deputy Chief
- 1 Additional Rescue Task Force
- 1 Air Recon Chief
- 1 Satellite Unit
- 1 SOC Dewatering Unit
- Mobile Command Center
- 1 EMS Division Chief
- 1 EMS Deputy Chief
- 2 EMS Conditions Officers
- 1 OMA Response Physician
- 1 Haz-Tac Officer
- 1 Logistical Support Unit (LSU)
- 1 ALS Ambulance
- 2 BLS Ambulances
- 1 Rescue Paramedic Unit
- 1 Major Emergency Response Vehicle (MERV)
- 1 Mobile Respiratory Treatment Unit (MRTU)
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 A notification signal transmitted when, in the judgment of the Incident Commander, conditions indicate a fire or emergency that requires a total response of the following units:
- 4 Engine companies
- 2 Ladder companies
- 1 FAST unit
- 2 Battalion Chiefs
- 1 Squad company
- 1 Rescue company
- 1 RAC unit
10-76 A notification signal transmitted when, in the judgment of the Incident Commander, conditions indicate a fire in a high-rise commercial building requires a total response of the following units:
- 4 Engine companies
- 4 Ladder companies
- 4 Battalion Chiefs
- 1 Deputy Chief
- 1 Rescue company
- 1 Squad company
- 1 CFR-D Engine company
- 1 FAST Unit
- 1 - Communications Unit
- 1 Field Communications Unit
- 1 Mask Service Unit
- 1 Safety Operating Battalion
- 1 Rescue Operations Battalion
- 1 Safety Officer
- 1 High-Rise Support Unit
- 1 Tactical Support Unit
- 1 Recuperation and Care unit
- 1 Public Information Officer
- 1 Lobby/Systems Control Unit
10-76 2nd ALARM A notification signal transmitted when, in the judgment of the Incident Commander, conditions indicate a fire in a high-rise commercial building requires, in addition to the units assigned on a 10-76, a total response of the following units:
- 4 Engine companies
- 2 Ladder companies
- 3 Battalion Chiefs
- 1 Deputy Chief
- 1 Rescue company
- 1 Satellite Unit
10-77 High-rise multiple dwelling fire. A notification signal transmitted when, in the judgment of the Incident Commander, conditions indicate a fire in a High-Rise Multiple Dwelling requires a total response of the following units:
- 4 Engine companies
- 4 Ladder companies
- 3 Battalion Chiefs
- 1 Deputy Chief
- 1 Rescue company
- 1 Squad company
- 1 High Rise Nozzle Engine Company IF none of the initial 4 Engine companies have a HRN
- 1 FAST Unit
- 1 CFR-D Engine company
- Field Communications Unit
- Field Comm Battalion
- Safety Operating Battalion
- Rescue Operations Battalion
- 1 Safety Officer
- 1 Ventilation Support Unit
10-77 2nd ALARM A Second alarm after the 10-77 signal will cause response of the following units:
- 4 Engine companies
- 2 Ladder companies
- 2 Battalion Chief
- 1 Communications Unit
- 1 Tactical Support Unit
- Mask Service Unit
- 1 RAC Unit
- 1 High Rise Unit
- 1 Satellite Unit
- Photo Unit
10-80 Haz-Mat incident. The initial notification by field units of a hazardous materials incident. Transmission of the signal 10-80 will serve to warn responders to proceed with caution to avoid entering a restricted area. The FDNY Incident Commander will transmit the appropriate code after size up and evaluation of the incident.
- NO CODE An incident that can be controlled by the on-scene unit(s) and requires no additional resources. The Haz-Mat Battalion (HB01) and Haz-Mat Co. 1 (HM01) can be contacted via the dispatcher, 800 MHz radio or cell phone for technical information if necessary. HB01 and HM01 may be requested to respond to the incident if necessary.
- CODE 1 An incident requiring additional resources and/or specialized equipment not carried by regular field units to assist the IC in assessing the hazards and identifying the resources necessary to manage the spill or release. Units dispatched on a 10-80 Code 1 include:
  - Haz-Mat Battalion
  - Haz-Mat Company 1
  - Haz-Tac Conditions Officer
  - Nearest available Haz-Mat Technician Unit
  - Nearest available ALS/BLS Haz-Tac Ambulance
- CODE 2 Increases the assignment to 4 engines, 2 ladders, a SOC Support ladder, an additional BC, a Deputy Chief, Safety Battalion, 1 rescue, Field Comm, and the Command Tactical Unit.
10-84 Announce arrival at box
10-86 Alcohol Resistant Foam Operation. Transmitted for a fire or emergency requiring alcohol resistant foam concentrate in addition to that carried by units on the scene. The following units are to respond:
- 2 Foam Carriers and associated engine companies
- 2 Foam Coordinators
- 1 Satellite Unit and associated engine company
- 1 Foam Tender and associated engine company
- 2 Purple K Units and associated engine companies
- 1 Hazardous Materials Co. 1
- 1 Hazardous Materials Battalion
- 1 Hazardous Materials Technician Unit
10-87 High Expansion Foam Operation. Transmitted for a fire or emergency requiring High Expansion foam. The following units are to respond:
- 3 Foam Carriers and associated engine companies
- 2 Foam Coordinators
- 1 Satellite Unit and associated engine company
10-91 Medical Emergency EMS - Fire Unit Not Required - To be transmitted through borough dispatcher by the responding unit when the fire Unit is canceled enroute due to EMS on scene, or EMS downgrades the job to a segment that does not require a Fire Unit response. Note: This signal shall be used only for medical emergency incidents.
10-92 Malicious false alarm
10-99 Units will operate over 30 minutes

Revised 2/2/22