Signal - meaning 1 - No unnecessary radio use 3 - Unit involved in accident 4 - Unit disabled 5 - Activate traffic signals 6 - Stand by for orders 7 - Release men in station 8 - Still alarm 9 - Emergency/rescue 9A - Ambulance Call 10 - Working fire/clear the frequency 11 - Call...by landline 12 - Fire under control 12A - Respond at reduced speed 13 - Return to quarters 14 - Request police for traffic 14A - Request police ambulance 14M - Request police - mental case 14R - Request police rescue 15 - Radio check 16 - Request doctor 17 - Unit out of service 18 - Unit in service 19 - Leaving district 20 - Returning to district 21 - Responding to scene 21/Code 1 - AEMT on board (ambulance) 21/Code 2 - EMT on board (ambulance) 22 - Arrived at scene 23 - Message received 24 - Request fire marshal - routine 25 - Request fire marshal immediately 25D - Request fire marshal - Death at scene 25HM - Request fire marshal - Haz Mat 26 - Request Health Department 27E - Request LIPA - Electric 27G - Request Keyspan - Gas 27H - Request Highway Department 27R - Request Long Island Railroad 27W - Request Water Authority 28 - Refill air bottles 29 - Request chaplain 30 - Request refreshments at scene 31 - Request fuel at scene 32 - General alarm 33 - Request mutual aid 34 - Invalid in building 35 - Switch to countywide frequency 36 - Switch to battalion frequency 37 - Switch to unit-to-unit frequency 38 - Training/drill 39 - Verify alarm location 40 - Give unit location 41 - Sound horns/evacuate building 49 - D.O.A. 50 - Request police - disturbance 61 - Malicious False Alarm 71 - Company meeting 72 - Company drill 72B - Company drill at NCFSA 73 - Rescue company meeting 74 - Rescue company drill 74B - Rescue company drill at NCSFA 75 - Officers' meeting 76 - Department meeting 77 - Department drill 77B - Department drill at NCSFA 78 - Funeral 79 - Drill team meeting 80 - Parade 81 - Assistant fire inspectors' meeting 82 - Fund drive 83 - Chauffeur/operator training 84 - Clean up 85 - Uniform inspection 86 - Blood drive 87 - Physical exam 88 - Softball game/practice 89 - Picnic/outing 90 - Tour of Fire Communications HQ 91 - Fireman's Home 99/99A - Unnecessary/False Alarm* |
| Nassau County Fire Department Radio Codes |
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