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Questions tagged [display]

For questions about electronic displays used in aircraft cockpits or air traffic control

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1 answer
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What is the difference between the two fields on the bottom half of the upper ECAM display on Airbus airplanes?

Note the two fields with green text on the bottom half of the display, separated by a white line. During abnormal conditions, the left portion may show "ECAM actions," but I do not know what ...
Charles Nicholson's user avatar
12 votes
2 answers
3k views

What does this 'R' number mean on the ND of this Airbus?

This number here, what does it mean?
Cherona's user avatar
  • 222
10 votes
3 answers
4k views

Why is communication between ATC and airliners not also written?

Reading this question: How often does a pilot ask ATC for a repeat? Most modern airliners' cockpits have plenty of digital displays. Why is communication between ATC and pilots not also typed/...
user avatar
8 votes
1 answer
1k views

What is the OUTBD PFD setting on the 737 NG MAIN PANEL DUs switch?

Each pilot on a Boeing 737 NG has a five-position switch labeled MAIN PANEL DUs that selects what appears on the two main display unit panels in front of her. Here's a picture of the left pilot's ...
cjs's user avatar
  • 1,044
10 votes
2 answers
2k views

What is that green rectangle next to altitude readout on Boeing aircraft?

Does anyone know what this green rectangle represents? It's from a Boeing 777 PFD. I can't find answers anywhere.
Joriddles's user avatar
  • 165
0 votes
1 answer
101 views

What kind of signal is outputted from engine fire sensors

Engine fire sensor informs the pilot engine fire and triggers fire extinguisher to release their payload. However, fire extinguisher valves are controlled through pressure operated switches or ...
Faito Dayo's user avatar
1 vote
1 answer
207 views

What are those polygons on the Garmin avionics navigation display?

I'm not pilot yet, just an enthusiast having some fun in MSFS2020. What do those colored lines mean in Garmin avionics?
Douglas Ferreira's user avatar
24 votes
3 answers
8k views

Why do digital flight instruments seem to fluctuate/flicker during landing or takeoff?

I happened to watched videos where landing was aborted due to some or other reasons. However, something interesting stuck me eyes: the digital flight instruments fluctuate/flicker (such as the ...
Viktor Wolf's user avatar
37 votes
1 answer
5k views

Why does a radar altimeter show negative values on the ground?

This applies to the Airbus 320 or Boeing 737, among others: Although it is useless on ground, the radar altimeter will repeatedly display a value (including negative) for a specific runway and airport ...
Sniper's user avatar
  • 473
0 votes
2 answers
251 views

Are flights being shown as "hijacked" on airport departure screens in case they are? [closed]

In the movie The Net a flight appears as "hijacked" on a departure/arrival screen. Would these screens really show an airliner as hijacked when they are, and did this ever happen?
Giovanni's user avatar
  • 193
3 votes
1 answer
934 views

Does Boeing use a similar display to Airbus ECAM to view a particular system?

Airbus has a dedicated ECAM panel forward of the throttles which is used to select a system for display on the LCD. Is there a similar panel used to select a particular system for display on Boeing's ...
Robert Weaver's user avatar
5 votes
2 answers
249 views

Do mechanical attitude indicators have rotation limits?

Do mechanical attitude indicators have limits to the rotations they can display? Wondering since gyros suffer from gimbal lock when two axes become aligned (e.g., at 90 deg pitch, if you were doing ...
user avatar
2 votes
1 answer
349 views

What are the standards on displaying Crew Awareness Messages?

Are there any standards on where in display Crew awareness system messages needs to be shown and how many messages at a time needs to be displayed. I checked SAE ARP4102-7 but I didn't find any ...
Hariom Singh's user avatar
0 votes
1 answer
571 views

How to make a cockpit LCD display night vision compliant?

I am trying to understand what does it means by making an LCD display compatible with Night Vision? The aircraft is an old Mirage of 1950's. If I use an LCD display in it's cockpit display unit then ...
scico111's user avatar
  • 155
2 votes
1 answer
938 views

Can the 787 mini navigation display be controlled independently from the ND?

Some aircraft, e.g., the Boeing 787 have the option to display a "Mini Navigation Display" on the left Outboard Display Unit, right under the Primary Flight Display: (image source) Is the ...
Stefan's user avatar
  • 4,702
7 votes
1 answer
6k views

What does VIB stand for in EICAS?

From what I know it’s measuring engine vibrations? What do the numbers actually mean? For example, 1.9 VIB:
Mike no smith 's user avatar
49 votes
7 answers
11k views

Why do aircraft cockpit displays use uppercase fonts?

I've seen many images of aircraft cockpit displays and instrument or control labels that all seem to use uppercase lettering, even though there seems to be a lot of evidence indicating that mixed case ...
Yobert's user avatar
  • 563
1 vote
1 answer
2k views

What do these symbols indicate on the ATC display?

I just got found ATC controller display on the internet and could you tell me what are these symbols indicating? For example the ones I highlighted in red?
VvV's user avatar
  • 1,589
15 votes
3 answers
5k views

What does "synoptic" mean in avionics?

I came across a mention of a display of "graphical aircraft system synoptics" on this page. I think in context that it means "status display" or "summary page"- the page that shows flap position, ...
RealAnswersNotAI's user avatar
3 votes
1 answer
404 views

Do aircraft really have text communication over FMC?

I saw a photography that is obviously Photoshopped that sparked my curiosity Does aircraft have text messages transmission? Can text messages or text strings be transported over the air like ...
Delta Oscar Uniform's user avatar
3 votes
2 answers
638 views

Why is the B737 altitude display unneccessarily ambiguous?

I was playing FSX again lately and was flying the B737-400. So I hope it is simulated correctly and this question isn't dead on arrival :-) It always bugged me, that the altitude display on the MFD ...
Jens's user avatar
  • 639
6 votes
1 answer
1k views

Is the 737 Max's AOA disagreement warning light an actual light?

The New York Times article Boeing Believed a 737 Max Warning Light Was Standard. It Wasn’t. includes the following: When Boeing began delivering its 737 Max to customers in 2017, the company believed ...
uhoh's user avatar
  • 6,028
1 vote
0 answers
53 views

Are there any softwares that can integrate with desktop sims that accurately simulate third party EFIS retrofits?

So, are there any softwares out there that can integrate into desktop simulators, that can accurately emulate third party EFIS instruments for example, Dynon EFIS or Aspen Avionics Evolution?
lpydawa's user avatar
  • 1,248
1 vote
1 answer
1k views

Is the 737-800 circular PFD for AOA or RA?

So, I have seen some people on the Internet showing the 738's PFD circular gauge for RA, but others show that the gauge is used for AOA(angle of attack). Which one is true? Is there a switch to change ...
lpydawa's user avatar
  • 1,248
7 votes
1 answer
1k views

Is there a type of instrument/display that guides pilots along a certain path?

What do you call an instrument that can help a pilot fly along a predetermined flight path (e.g. path thru GPS coordinates), showing them when they stray a little so they can correct? Not a control ...
Anatoly Belousov's user avatar
8 votes
1 answer
331 views

Is screen burn-in a problem?

Screen burn-in can be a problem for older and cheaper monitors. It can be caused by fixed-width text, fixed-size graphics, and operating for long durations, which are things that are common in ...
Spencer Joplin's user avatar
2 votes
2 answers
232 views

Redundancy in Integrated modules avionics [closed]

What kind of hardware redundancy is used in integrated modules avionics based architecture for EFIS displays running on a single processor? My question is specific to redundancy of display hardware ...
santosh kumar's user avatar
0 votes
2 answers
266 views

aircraft display Processors

what kind of Processors and GPU are used for Aircraft display ? Is it possible to use single processor to run all three displays (Primary flight display, Navigation display and EICAS)?
santosh kumar's user avatar
11 votes
1 answer
968 views

Are there any standards on the dimensions of PFD symbols?

Are there industry standards on dimensions of PFD symbologies like heading, airspeed and altitude? I want to design a 15 inch screen and wonder if there are any standards or regulations regarding the ...
santosh kumar's user avatar
6 votes
4 answers
2k views

Do ATC displays show the target altitude that the pilot has set in the autopilot?

When cleared to climb/descend to a level, the pilot enters that level in an altitude preset window, allowing the autopilot to climb/descend and level off at that level. Is this level, preset by the ...
Fantom's user avatar
  • 61
5 votes
1 answer
879 views

What is the distance unit on a navigation display?

I want to learn what is the distance unit on a navigation display. I pointed the distance marks with red circles on the navigation display. What are these 10, 15 etc. values' unit? Are they ...
kkakkurt's user avatar
  • 293
5 votes
2 answers
651 views

Are sequenced waypoints still displayed on the Navigation Display / FMS legs page?

This question relates to the Flight Management System of a large airliner, e.g. Boeing 787: During a flight, when the aircraft passes a waypoint, is this just passed waypoint (and the previous ones) ...
Stefan's user avatar
  • 4,702
2 votes
1 answer
718 views

Where is the toilet smoke detection indication displayed for a B777-200/300?

In case of smoke detected in any of aft toilet of a B777-200/300, where is the indication displayed? Is this at a single location, or at different locations?
Naseem abbas's user avatar
3 votes
2 answers
1k views

What does the ATR72-600 MFD System display look like?

I'm curious how MFD System display looks in real life in ATR72-600, especially electrical mode. I've found three different images showing it, but they seems to be ambiguous. Last one attached comes ...
Robert's user avatar
  • 377
5 votes
1 answer
1k views

Does an Airbus A320 Navigation Display depict constraints for flightplans other than the primary?

When any other flightplan (Missed Approach, Alternate, Temporary, Secondary) except the Primary flightplan is depicted on the ND in an Airbus A320 and the CSTR (constraint) button is pressed on the ...
Jonas87's user avatar
  • 371
9 votes
1 answer
3k views

In case of failure in the Electronic Flight Instrument System, how would they be transferred between each other?

In EFIS, in case of failure in the PFD, where would be PFD shown? In case of failure in the ND, where it would be shown? In case the PFD & ND both fail, where would they be shown?
Al Yaqdhan's user avatar
5 votes
2 answers
9k views

How can OAT and SAT differ?

From YouTube. I always thought SAT (Static Air Temperature) and OAT (Outside Air Temperature) were the same thing. So does this answer, so does Wikipedia: [The] outside air temperature (OAT) or ...
user avatar
7 votes
1 answer
1k views

What does the Airbus A340 Primary Flight Display look like during startup?

I'm developing a simulator addon and I'd like to accurately show what the A340 Primary Flight Display (PFD) shows during its startup sequence. I'm looking for any images, photos, documents or movies ...
Robert's user avatar
  • 377
12 votes
4 answers
7k views

Why is angle of attack information not displayed in the cockpit?

Would not it be useful to have the angle of attack information displayed on the flight display? I know that we have shakers that alert pilot when the critical AOA is exceeded, but still we have cases ...
user2927392's user avatar
  • 2,359
3 votes
4 answers
17k views

What is the significance of Slip-Skid Indicator in PFD?

Slip Skid Indicator as depicted in the picture below; What's the significance of Slip Skid Indicator? How Slip Skid Indicator is used in flying the aircraft? What are other performance/operations ...
Lucky's user avatar
  • 1,932
3 votes
2 answers
2k views

Why was brown chosen to represent the ground side of an attitude indicator?

Is there any particular reason for having the ground represented by brown on an artificial horizon or PFD? Blue represents sky, brown represents earth, which will be used for easily identifying the ...
Lucky's user avatar
  • 1,932
-5 votes
1 answer
708 views

Do any ATC displays use colours to indicate altitude?

I've been thinking about how ATC displays present information to operators and it seems that colour isn't used, at least for critical information like altitude. Since our eyes can recognize colour ...
Richard Magoon's user avatar
5 votes
3 answers
4k views

Which aircraft manufacturers still include Vertical Situation Displays (VSD) feature in their cockpits?

I'm curious about the aircraft manufacturer names who still interested in including the VSD on lower part of Nav Display (I read about Boeing 737 only). Are there any other guys on this filed still? I ...
Lucky's user avatar
  • 1,932
3 votes
1 answer
1k views

Which kind of display are used on commercial aircraft?

There are many kinds of display (LED, LCD, PDP...). Which type is used in the in-flight entertainment system on commercial aircraft? And which kind of display is used in the electronic flight ...
Gianni Alessandro's user avatar
7 votes
1 answer
4k views

What is the front glass in fighter planes called?

What is the front glass in fighter planes called? I mean the one which had the reticle marked in them not the canopy glass. Cockpit part on google doesn't seem to tell what I want to know. Are there ...
RinkyPinku's user avatar