Questions tagged [flight-instruments]
Flight instruments provide the pilot with information about the flight situation of that aircraft, such as altitude, speed and direction; and are of particular use in conditions of poor visibility, such as in clouds, when such information is not available from visual reference outside the aircraft.
374 questions
2
votes
3
answers
759
views
Use of Gyroscopes in instruments
After arguing with ChatGPT and trying to find explanations of gyroscopes on the internet for days, I'm finally turning to ASE in hopes for an explanation about Gyroscopic instruments.
Some background:...
- 81
11
votes
3
answers
335
views
Why isn’t Equivalent Airspeed (EAS) used as the primary cockpit speed reference with modern avionics?
Traditionally, aircraft speed is presented to pilots as Indicated Airspeed (IAS) or Calibrated Airspeed (CAS), even though performance and aerodynamic limits are more directly tied to Equivalent ...
- 111
6
votes
2
answers
479
views
Can a pilot "deacitvate" an inoperative instrument by simply covering it?
This is a hypothetical PPL oral exam question (but depending on the answer, I might have unintentionally violated some rule)...
You are a private pilot and you are about to fly a Cessna 172 in day VMC ...
- 1,591
0
votes
0
answers
187
views
Do pilots need training for different cockpit label languages?
I know this is no longer a thing anymore, however; back during the 50s and 60s (and even now for most Russian and Chinese planes): cockpit instruments/switches used to be labelled in their own ...
- 69
4
votes
0
answers
164
views
Is single-cue an option for the Boeing 737 MAX flight director?
I've been looking at documentation on several Boeing aircraft, and several of their older planes (737 NG, 747-400) have the option for a double-cue flight director (which is what almost all variants ...
1
vote
1
answer
168
views
Upgrading pre-TSO instruments with “experimental” (non-TSO) equipment
I am looking at a 1946 Ercoup 415C that needs a complete restoration. That aircraft has a few gauges (no artificial horizon). I plan on operating in VFR conditions. Can I replace the instruments with ...
- 185
4
votes
1
answer
450
views
Is there any difference between VSI and VVI?
Could someone explains to me whether there is a difference between a VSI and VVI or not?
- 791
18
votes
2
answers
2k
views
How to read this old French speed gauge?
Vitesses au Sol is ground speed, and Vitesses Vrais is true air speed, but
what is the backward scale 450 to 750 for?
how does one read altitude?
the bendy wire looks like it's probably related to ...
- 14.9k
0
votes
0
answers
119
views
Cabin altitude display on pressurized aircraft; why not display baro corrected cabin altitude?
Pressurized aircraft displays Cabin alt, differential pressure, and cabin climb rate.
It appears to me that the cabin altitude is displayed as non-baro corrected cabin altitude (pressure altitude of ...
- 1
7
votes
2
answers
1k
views
What are the failure modes for a tachometer in a light single?
During training you tend to get instructed on the various failure modes of instrumentation, such as a blocked static port and its effect on the VSI and altimeter.
This past weekend I had an instrument ...
- 37.1k
4
votes
2
answers
1k
views
How can I switch from MAG to TRU heading in a 737?
I was reading the section in the FCOM for the 737 MAX concerning the heading display on the bottom of the PFD. It stated that it displays whether the current heading mode is magnetic or true, and the ...
2
votes
1
answer
318
views
How prevalent are HUDs in civilian aircraft?
Head-up displays (HUDs) seem to be a must in modern war aircraft, and have been for quite a while. This is not much of a surprise for an aircraft flown by a two- or, often enough, one-person crew who ...
- 495
5
votes
2
answers
2k
views
Why would autopilot be prohibited below 1000 feet AGL?
Came across this airplane on controller. It has a label on the panel that says: "Autopilot prohibited below 1000' AGL".
Why?
(source)
- 8,485
7
votes
2
answers
4k
views
Could someone tell me what this part of an A320 is called in English?
I'm trying to understand a French document about the A320.
It's talking about a dual-input situation.
It says this:
Devant le pilote ayant pris la priorité, sur la partie supérieure du
tableau de ...
- 693
0
votes
0
answers
76
views
What is the physics behind if for conventional VOR, if the transmitting antenna rotated, amplitude modulation is produced? [duplicate]
Why for conventional VOR, the transmitting antenna is rotated? And how does it produce amplitude modulation? What is the physics behind this?
- 193