PNVS - Pilot Night Vision System for Night Terrain Surveillance.
Operating instructions for the Apache helicopter exterior and cockpit lighting.
Our guide explains the operation of the PNVS for the pilot and the TADS for the copilot/gunner.
We advise how to fly at night effectively and when to use different night vision systems available onboard.
We also show how to operate the interior lighting in the cockpit and the external lighting of the helicopter.
The camera is mounted on the helicopter’s nose and projects its image onto pilot’s IHADSS helmet display.
It also allows to adjust the image in terms of brightness, contrast and saturation levels.
Thanks to image adjustments, the PNVS can be useful also during the day.
However, the PNVS does not show tracers of Anti-Aircraft Artillery fire.
The pilot cannot use TADS for target acquisition and designation - he can only observe the terrain.
The NVG allow crew members to see Anti-Aircraft Artillery tracer fire.
The Interior Lights panel is located on the left console.
ThePRIMARYknob adjusts the brightness of all switches and knobs.
TheSIGNALknob adjusts the brightness of all warning lights such as Master Caution.
TheFLOODknob adjusts the brightness of the entire cockpit illumination.
TheSTBY INSTknob adjusts the backlight of the analog backup instruments.
Exterior lighting
The Exterior Lights panel is located on the left console next to the interior lights.
The available switches:
PNVS - how to use?
Different polarity always requires to readjust the image to the current conditions.
It is important when estimating the position and distance of objects very close to the helicopter, e.g.
during hover and landing.
If necessary, switch the camera from the PNVS to the TADS with theNVS Selectbutton.
You will notice a quick image flash when switching between systems.
TADS - how to use?
The TADS targeting system can be also used for night vision by the copilot / gunner.
Note that the IHADSS flight parameters appear also on the TADS monitor.
The TADS camera will then follow the CPG’s head movements.
you’ve got the option to also zoom the image and designate targets.
Detailed instructions on target acquisition and designation can be found in this chapter: Sight and Acquisition and TADS.
Night Vision Goggles - how to use?
check that the IHADSS monocle is turned off with the “I” key.
Press the RShift + H keys to put on the NVG headset.
If necessary, use theRShift + RCtrl + H and RShift + RAlt + Hkeys to adjust the image.
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