navigation's questions - English 1answer

266 navigation questions.

What should be the general logic to automatically switch between different pages of EFIS during failure of single or multiple displays?

I recently flew commercial to Scotland and was tracking our progress on my iPad using Foreflight. I made a direct-to line that followed the great circle route, but noticed that we meandered off of it ...

I am new to aviation, so bear with me on this question: I have read in multiple places that the VOR/NDB navigational aids are dying out to GPS. Is this true? Are more modern aircraft being built with ...

What are the differences between an OBS, a CDI, a Heading indicator, and an HSI? As far as I can tell they all use VORs. Why would 4 different version of the same instrument be invented? Is the HSI ...

I notice the term LNAV engagement being frequently mentioned in aviation related discussions or in several FAA's relevant material. Take, for example, this quote from Order 8260.58A (PBN Instrument ...

I'm looking for the correct/usual terminology for a coordinate system, that is moving with the wind. I do calculations in a Cartesian East-North-Down (END) system. When taking wind into account I'd ...

So the LOC/DME-E approach to KASE lists for the missed approach course to use the I-PKN localizer, but then there's a note 'course outbound is normal sensing'. Does that mean that in effect, this ...

Assuming that : You are flying on a compass heading of 141°, The compass deviation is given as +3°, The variation read on the chart is 3° East, The wind correction angle is +10° and The relative ...

In my PPL trial test, I have the following question regarding VOR: Consult Figure 3, Illustration 6. On a magnetic heading of 160°, the magnetic bearing to the station is: 045° 205° 165° 270° (See ...

I'm studying for the (EASA) Instrument Rating exam and I found several questions about radial intercept angles in sample exams but nothing in the books I've studied and my flight instructor doesn't ...

Hot air balloons are quite obviously carried along with the wind, so how can they be navigated? Choosing the correct launch point relative to the desired landing point would seem to play a major part ...

I’ll have my PPL exam soon. I asked my instructor at the school about this question and even he doesn’t know the answer. I’ll appreciate your help. Question 22 Flight from point A to point ...

I see lots of great questions related to Victor Airways, but I haven't seen any which indicate why someone would want to fly one or what really makes them special or unique. I get that they are ...

While flying between 2 points 120 nautical miles apart, after about 40 nautical miles we discover we are 5 nautical miles off to the right of the track. What heading correction is necessary in ...

All this confusion over flight 370 has me wondering if it would be possible to hack into an airplane and control the autopilot or other on-board systems in a way that the pilots couldn't regain ...

Does the use or meaning of "chart" or "map" vary worldwide? Is there a difference between a chart and map?

Can anyone Explain the following terms associated with airborne navigation using suitable diagrams: Bearing, Radial, Course, Homing, Heading , and Track.

I've always wondered how would the theoretical (since no airport/plane has it) ILS CAT IIIc guide the plane off the runway? I mean from the perspective of radio signals. What component in the ILS ...

While discussing Aviation Charts in this SE question, JanHudec & Jwentin commented that VFR chart symbols are not internationally standardized - including airspace names and procedures. What are ...

How do VFR pilots know whether or not they are inside controlled airspace if they don't have GPS onboard?

How do pilots deal with incorrect navigation readings at night? How do they know where to fly? At low altitude do they have to know the shapes of cities and villages? At high altitude and speeds over ...

In this question, the answer notes that some ADS-B systems are connected to Inertial Navigation Systems (INS), and says they are less accurate than GPS. What exactly is an INS? A couple sub ...

Nowadays, practically all Western commercial airplanes use some kind of GNSS/GPS as primary means of navigation, sometimes paired with inertial navigation systems and user-friendly computer interfaces ...

What is "picture flying" and does the FAA define it in any of their literature? Here is an example situation. You are instructed to depart using a SID. The SID states that at 1.5NM from ABC VORTAC a ...

I was looking for WW2 aircraft indicators and I found one navigation equipment called API (air position indicator). But I couldn't find how it works exactly????

By all reports, ADS-B is the future of air navigation and ATC. In the simplest definition, ADS-B is aircraft self-reporting GPS position to benefit everyone. How is this secure? Seems like someone ...

Regarding Flight 007 that got shot down in the Soviet Union, this was reported in the New York Times: Study Says Korean Airliner Was on Its Intended Course When Downed in '83 (nytimes.com) Excerpt: ...

When the TERR On ND button is pressed on the Airbus A320 Cockpit, the TERR information apears on the ND, and 2 boxes in yellow appear. What do the numbers 146 and 073 mean respectively?

Pilots today have more than enough technology both in the cockpit and in the infrastructure that supports them to know with great precision where they are at any given time. How/why do they still ...

I'm learning about radionavigation, and all the various analog displays that can be used: Automatic Direction Finder (ADF) - Provides basic bearing information to practically any radio source the ...

What is the difference between RNAV and RNP? I know that RNAV doesn't need monitoring and alerting, but RNP does.

I know that typically RNAV navigation involves a list of waypoints, and the aircraft simply flies from one point to the next. What I'm curious about is if a procedure could be developed (as a special ...

An ADIRU makes use of air data reference and inertial reference. Inertial reference calculates the heading, position, ground speed and attitude. I was wondering why is it called inertial. Is it ...

Aircraft use nav fixes as waypoints or reporting points along their routes. I have noticed some interesting combinations. Some make sense, like LUCKI to LYNDI on the LYNDI arrival into San Diego ...

I had thought that someone such as ICAO was coordinating the assignment of five-letter waypoint names such that they were globally unique. Now I notice that OpenNav knows three different waypoints ...

An approaching aircraft's navigation receiver uses the difference in depth of modulation between the 90Hz and 150Hz signals which are amplitude modulated onto an RF carrier (on a channel between ...

From what I have read online and understood, "vol en ficelle" is basically a low altitude flight preparation method that requires calculating a set of altitudes to be followed in order not to crash. ...

I would like to know how the AHRS work on Boeing 737 aircraft. If this aircraft (like every the other ones I guess) has an Inertial Reference System (IRS), composed of 3 accelerometers and 3 ...

In case you want to say spherical coordinate system: no it is not a spherical coordinate system. I found this image in a book about flight management systems where they explain the different types of ...

There is a lot of information online about how to find the distance between two points if both the points are on the surface of the earth. But no article mentions about how to find the distance if ...

GPS satellites send data at the rate of 50 bits per second. One GPS subframe is 6 seconds long. How is it possible to update one's position faster than once in 30 seconds when we require the whole ...

Are there any VORs placed in the oceans for navigation. Is it true that VORs or TACANs are placed on ships to help oceanic flights, for example flights across the Atlantic?

I am trying to make sense of the SID structures from the FAA's 28 day NASR subscription files (SSD and/or STARDP, raw data in txt files), and I have two questions. First, I notice that there are ...

Korean Airlines Flight 902 was shot down by a Soviet fighter in April 1978 after the pilot turned through 150 degrees and entered Russian airspace. The New York Times reported it happened around 8.30 ...

In the example shown above: Is an aircraft required to have all 3 sensors listed or just one of them to fly the L512 airway? What ICAO reference confirms the answer? Does 'critical DME' (bottom row) ...

Is it possible to find an airliner nowadays with Doppler radar used for navigation purposes?

Distance Measuring Equipment selection criteria is said “those closest to the aircraft and which intersect at an angle between 30 degrees and 150 degrees" (also said one whose geometry is closest to ...

As part of a project I'm doing I plotted the flight paths of about 2000 flights around the globe, I noticed over both the North Atlantic and Pacific that there is a pattern to the flight paths: You ...

i saw an aircraft taking off from a supposedly disused airfield with 3 flashing red lights. i live close to Woodford Aerodrome and saw it taking off from there with 3 flashing red lights! i was stood ...

Do pilots of modern aircraft still need to navigate using maps, GPS and compasses to find airports? Alternatively do they use some sort of fully automated system that navigates the aircraft via ...

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