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Electrical, Electronics, and Avionics Emergency Warning Lights and Devices Standards Committee Design Engineering and Styling Spark ignition engines

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Standard

EMERGENCY VEHICLE SIRENS
1989-07-01
HISTORICAL
J1849_198907
This SAE document provides test procedures, requirements, and guidelines for electronic and electromechanical sirens for use on authorized emergency vehicles. It is based on the performance of state-of-the-art devices that have proven effective in emergency service. However, it is important for the user to understand that such devices will not necessarily be heard by the drivers of every vehicle under all conditions in time to permit all drivers to take appropriate action. Sound levels high enough to be heard at reasonable distances in soundproofed automobiles with operating air-conditioners and stero sound systems are so high as to be environmentally unacceptable. The siren is a useful warning device for calling for the right-of-way by an emergency vehicle but must always be used in conjunction with effective visual warning devices and operated only by properly trained personnel.
Standard

Emergency Vehicle Sirens
2020-02-10
CURRENT
J1849_202002
This SAE Recommended Practice provides laboratory test procedures, requirements, and guidelines for electronic siren systems with a single loudspeaker, and electromechanical sirens for use on authorized emergency vehicles, which call for the right-of-way. Test procedures and performance requirements for individual system components are not included in this version. Results obtained for a siren system with a speaker array that is greater than 0.5 m in any dimension shall apply to the system only when the array is in the same spatial configuration as tested (i.e., the same speaker separation and orientation).
Standard

Emergency Vehicle Sirens
2012-10-15
HISTORICAL
J1849_201210
This SAE Recommended Practice provides laboratory test procedures, requirements and guidelines for electronic siren systems with a single loudspeaker, and electromechanical sirens for use on authorized emergency vehicles, which call for the right-of-way. Test procedures and performance requirements for individual system components are not included in this version. Results obtained for a siren system with a speaker array that is greater than 0.5 m in any dimension shall apply to the system only when the array is in the same spatial configuration as tested (i.e., the same speaker separation and orientation).
Standard

Emergency Vehicle Sirens
2008-04-21
HISTORICAL
J1849_200804
This SAE Recommended Practice provides laboratory test procedures, requirements and guidelines for electronic siren systems with a single loudspeaker, and electromechanical sirens for use on authorized emergency vehicles, which call for the right-of-way. Test procedures and performance requirements for individual system components are not included in this version. Results obtained for a siren system with a speaker array that is greater than 0.5 m in any dimension shall apply to the system only when the array is in the same spatial configuration as tested (i.e., the same speaker separation and orientation).
Standard

Optical Warning Devices for Authorized Emergency, Maintenance, and Service Vehicles
2021-08-26
CURRENT
J845_202108
This document provides design guidelines, test procedure references, and performance requirements for omnidirectional and selective coverage optical warning devices used on authorized emergency, maintenance, and service vehicles. It is intended to apply to, but is not limited to, surface land vehicles.
Standard

Optical Warning Devices for Authorized Emergency, Maintenance, and Service Vehicles
2007-12-03
HISTORICAL
J845_200712
This document provides design guidelines, test procedure references, and performance requirements for omnidirectional and selective coverage, single color, optical warning devices used on authorized emergency, maintenance and service vehicles. It is intended to apply to, but not limited to, surface land vehicles.
Standard

Optical Warning Devices for Authorized Emergency, Maintenance, and Service Vehicles
2013-06-10
HISTORICAL
J845_201306
This document provides design guidelines, test procedure references, and performance requirements for omnidirectional and selective coverage optical warning devices used on authorized emergency, maintenance and service vehicles. It is intended to apply to, but is not limited to, surface land vehicles.
Standard

Optical Warning Devices for Authorized Emergency, Maintenance, and Service Vehicles
2019-02-04
HISTORICAL
J845_201902
This document provides design guidelines, test procedure references, and performance requirements for omnidirectional and selective coverage optical warning devices used on authorized emergency, maintenance, and service vehicles. It is intended to apply to, but is not limited to, surface land vehicles.
Standard

SCHOOL BUS STOP ARM
1976-04-01
HISTORICAL
J1133_197604
This SAE Recommended Practice describes the design evaluation tests and performance criteria for a School Bus Stop Arm equipped with alternately flashing lights. Decision for adoption of the recommendations presented in the Appendix is left to governmental units who adopt this practice.
Standard

SCHOOL BUS STOP ARM
1977-11-01
HISTORICAL
J1133A_197711
This engineering design specification provides design parameters and general requirements for School Bus Stop Arms equipped with alternately flashing lights. The stop arm is intended as an optional device which may be used in addition to, but not as a substitute for, school bus signal lamps covered by SAE J887(July, 1964). Decision for adoption of the recommendations presented in the Appendix is left to governmental units or other bodies who adopt this practice.
Standard

SCHOOL BUS STOP ARM
1989-07-01
HISTORICAL
J1133_198907
This document provides test procedures, requirements, and guidelines for school bus stop arms.
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