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To do what? Illuminate the deck at night with a colour that doesn't interfere with night vision gear? That's all it's there for. Nothing fancy needed.
Arctic/Offshore Patrol Ship AOPS
- Thread starter Privateer
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Both can be true at the same time, although Underway is correct that external NVIS-compatible green lighting is the best, no matter the post-intensification phosphor colour…although yes, Kevin, white tubes are definitely nicer than green tubes.
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White tubes give the user much better contrast and clarity for the same resolution and sig/noise.
Not sure why the deck needs to be be lit in the visible spectrum? Wouldn’t it just be easier to have IR lighting?
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Lighting it in IR would allow pilots with enough currency to launch and recover on NVGs, but you'd need to be careful with spatial awareness. I would suggest you should also have visible spectrum available for pilot's that don't have that level of NVG currency.
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I don't have visibility on that. However, assuming we do have the hours, the doesn't speak to the challenging environment of over the flight deck on NVGs. I wouldn't want the first time over the flight deck when regaining currency to be on NVGs. However, they may have changed the way NVG and flight deck currency works.
It also alludes to something SKT said a few days ago. The Navy used to provide sea days every six months solely for air training and currency; they were called "Salty Dips." The ship spent a week at sea, with aircrew courses in the advanced phase embarked. As well, the positions that were "sea going," but not in dets (standards, readiness, ops, etc), would fly from ashore to maintain currency. 406 Sqn instructors that didn't embark would do the same (so that there was a cadre of fligk deck current instructors). It provided depth. Unfortunately, neither the RCN nor 12 Wing seems to have capacity for that any more.
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You've got it backwords. The green light is for the crew onboard so they don't
a) screw up their night vision to bad when going on the upper decks
b) can still see with the naked eye
c)it doesn't blind our own aircraft accidentally when going outside and
d)keeps the IR signature lower
We do have non vis lighting for when the helo needs to see the deck at night. The green is to deconflict with helo and normal ship operations (Say rounds on the upper deck or someone going to dump organics overboard).
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Visible (but still NVG-compatible) light is still very useful, especially for peripheral cuing (especially when only a toilet roll’s worth of 40° viewing angle is intensified). It doesn’t have to be too intense to get the peripheral cues, as the rods in the outer portion of the retina are very sensitive to light levels, much more so than the colour-sensitive cones in the fovea (center region of the retina).
The only thing I’d wonder is whether the ship’s port-side nav light has been spec’d as ANVIS-B compatible? That fricking thing was a menace when maneuvering proximal to the fo’c’sle and port bow-to-beam.
The only thing I’d wonder is whether the ship’s port-side nav light has been spec’d as ANVIS-B compatible? That fricking thing was a menace when maneuvering proximal to the fo’c’sle and port bow-to-beam.
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