Common 10-Codes: 10-1(Unable to copy, change location) 10-2(Signal good) 10-4(OK, Affirmative) 10-6(Busy, standby unless urgent) 10-7(Out of Service) 10-8(In Service) 10-9(Repeat Message) 10-10(Fight In Progress) 10-13(Advise weather/road conditions) 10-20(Location) 10-21(Call by Telephone) 10-22(Disregard) 10-23(Arrived at Scene) 10-27(Driver License Info) 10-28(Vehicle Registration) 10-29(Check Records [warrants]) 10-33(EMERGENCY, All Units Stand By!) 10-36(Correct Time) 10-41(Beginning Shift) 10-42(Ending Shift / Out at Home) 10-49(Proceed to...) 10-76(Enroute to...) 10-97(Arrived at scene) 10-98(Assignment completed) fire EMS priority accident