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Standard

Aircraft Indicating Systems

2010-11-15
CURRENT
ARP1088B
This ARP is intended to cover the warning, caution and advisory indicating system required for commercial and military aerospace vehicles.
Standard

Color-Coded Incandescent Flange Base T-1 and T-1 3/4 Lamps for Voltage Identification

1998-07-01
HISTORICAL
AS4156A
This document defines the method for voltage identification by the use of color-coded insulators at the base of the lamp. Table 1 shows the design volts and corresponding insulator colors. The part numbers shown are for example purposes only. Insulator colors are to be easily distinguishable as green, yellow, red, and white. Additional colors may be added by a revision process as required.
Standard

Color-Coded Incandescent Flange Base T-1 and T-1 3/4 Lamps for Voltage Identification

2012-12-06
HISTORICAL
AS4156B
This document defines the method for voltage identification by the use of color-coded insulators at the base of the lamp. Table 1 shows the design volts and corresponding insulator colors. The part numbers shown are for example purposes only. Insulator colors are to be easily distinguishable as green, yellow, red, and white. Additional colors may be added by a revision process as required.
Standard

Night Vision Imaging System (NVIS) Compatible Illuminated Pushbutton Switches and Indicators

2017-08-24
CURRENT
ARP4822A
This SAE Aerospace Recommended Practice (ARP) reviews the basics of NVIS compatibility and discusses the specific illuminated pushbutton switch and indicator requirements for sunlight readability, color, luminance, and NVIS radiance when used in NVIS compatible cockpits. The recommendations and special considerations set forth in this document are made to give the design engineer a better understanding of MIL-L-85762A and MIL-STD-3009 NVIS compatibility requirements and to provide information on the visual characteristics of NVIS compatible pushbutton switch and indicators. The recommendations are primarly for military aircraft since civilian aircraft FAR requirements typically do not cover NVIS applications with the exception of those covered by RTCA/DO-275.
Standard

Color-Coded Incandescent Flange Base T-1 and T-1 3/4 Lamps for Voltage Identification

2006-11-07
HISTORICAL
ARP4156B
This document defines the method for voltage identification by the use of color-coded insulators at the base of the lamps. Table 1 shows the design volts and corresponding insulator colors. The part numbers shown are for example purposes only, as an option. Insulator colors are to be easily distinguishable as green, yellow, red, and white. Additional colors may be added by a revision process as required.
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