Questions tagged [hud]

HUD is the short for head-up display. It's is any transparent display that presents data without requiring users to look away from their usual viewpoints.

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14
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4answers
3k views

How do pilots align the HUD with their eyeballs?

In fighter jets, how do pilots align the HUD with their eyeballs?
1
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1answer
211 views

Why does the F16 HUD give you one number for your speed and the analogue gauge another?

Why does the F16 HUD give you one number for your speed and the analogue gauge another different number?
13
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1answer
2k views

What is the non-projected cross-hair for on the F-18 HUD?

Top right, there's a little cross-hair - it looks like it's for lining something up, since on the second pane there's a little dot. I haven't seen this on any other HUDs. Appears to be present on all ...
2
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1answer
377 views

How does a HUD track a runway?

I was looking at the FCOM of the 787, and I came across an interesting thing. There is an HUD takeoff selection on the SID selection page. It got me to wonder, how does the HUD track the runway from ...
8
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2answers
2k views

How does the target indicator on a jet fighter work?

How does the target indicator in Jet Fighter Aircraft work? How does it stay on target? Is this queued from the radar, from infrared or is this image classification? What does the x in the target ...
4
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2answers
2k views

What do all the indicators on a HUD mean?

Every Jet Fighter these days seems to have a Head Up Display. What do all of these indicators mean? Some things are fairly obvious: there is a compass there is an artificial horizon Other ...
2
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1answer
364 views

How can avionics detect tailwind? [duplicate]

We can see the effect of the tailwind on the plane's flight direction on the modern military fighter jet huds. I wonder about how can the avionic systems detect tailwind and which sensors using in the ...
15
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2answers
1k views

What is this nose cowl mounted display?

(YouTube) A crop duster's nose mounted display. It looks like a poor man's HUD to keep the display and the outside view at roughly the same focus distance, but what is its function?
21
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2answers
2k views

What does it mean when pitch numbers move all over the HUD screen?

In this video from an F-16: You can see pitch angle move out of screen or be on the side at the end.
4
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2answers
294 views

What methods are used to perform head tracking in the cockpit?

In this question, I asked about a helmet with built-in HUD, and have a follow-up question: What methods are used (or have been used) to perform head-tracking in the cockpit? The website for that ...
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2answers
1k views

What kind of helmet is in this A-10 video?

Here is a screen capture from a YouTube video. The aircraft is an A-10. What kind of helmet is that and where can I learn more about it? Additionally, does the weight of the helmet and it's ...
9
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1answer
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Are HUD systems available for light GA aircraft?

Some other questions about HUDs and how they work got me thinking. Military aircraft have had reflector sights since before WWII, and full HUDs since the mid-70s. The very same display layout, sans ...
10
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3answers
1k views

What data did the earliest HUDs display (for fighter jets)?

Ideally I'm looking for a screenshot with a bullet list of data. I started my search at the obvious encyclopedic site and was surprised to learn that the earliest HUDs (on fighter jets) go all the way ...
18
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2answers
3k views

Why are HUDs usually green instead of red?

Every HUD I've seen, whether photographs or in video games, uses green light to draw the lines and text. Why green? I thought red was a better color for pilots' eyes so they can stay adjusted for ...
8
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1answer
7k views

How does the HUD Display System work?

I have seen a couple videos of fighter jets and commercial planes with HUD systems and was wondering how do the heads up displays work?