Cockpit Instrumentation Lighting Panel
The Lighting Panels are intended to provide illumination for various controls /switches in the cockpit consoles of Light combat Helicopter (LCH). These panels will provide proper ambient/visibility to the pilot for operating various controls during day/night operation of LCH. The lighting panels will be form fit and provide uniform illumination to the Panels
Cockpit Instrumentation Lighting Panel
| Sl. No | Description | Compact Diaphragm |
|---|---|---|
| 1 | Top Plate | 4.87mm thick Aircraft Grade Clear polycarbonate Sheet/ Markrolon FAR Grade FAR.25.853 polycarbonate sheet. |
| 2 | PCB | 1.2 mm thick FR4 glass/epoxy sheet as per LCSO specification. |
| 3 | LEDs | Surface Mount / through hole green LEDs (as per NVIS requirement). |
| 4 | External Finish | Matt Black |
| 5 | Top Legends/Markings | Engraved on Top as per the legends and dimensions in the drawings. Painted white as per the requirements. |
| 6 | Operating Voltage | +28 ± 3V DC |
| 7 | Photometric measurements (a) Light Intensity (b) Chromaticity co-ordinates |
Luminance should not be < 343 mcd (At +28V)as per MIL-STD-3009 The range of values ,U=0.088,v=.543 ,r=.037 as per MIL- STD-3009 The measurement done in a dark room |