Questions tagged [aeronautical-charts]

For questions relating to navigation charts, but not performance charts.

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71 views

Questions about items on Jepp charts…

On a Jeppesen IFR low enroute chart, there's occasionally a different altitude below/next to the MEA with a "T" next to it. (For example: V16 between GACEB and SHAKY, there's a "2900T&...
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1answer
196 views

What is SVC CTC on a chart supplement?

The chart supplement for KSNA mentions the following AIRSPACE: CLASS C svc ctc APP CON svc 1415–0700Z‡ other times CLASS G. I know that SVC means service. I've gathered that KSNA is class C from ...
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3answers
256 views
+500

A request to check old issues of the Airport/Facility Directory (1994-2001) -- when did this content first appear in the Legend?

When did language like NOTE: AIRSPACE SVC TIMES INCLUDE ALL ASSOCIATED ARRIVAL EXTENSIONS. Surface area arrival extensions for instrument approach procedures become part of the primary core surface ...
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3answers
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Explaining a "Great Circle Route" to young Civil Air Patrol cadets

What would be an easily understood explanation of a "Great Circle Route" for young Civil Air Patrol cadets who are being introduced to aviation and navigation principles for the first time?
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3answers
301 views

What is the definition of Height Above Threshold (HAT)?

I could use some help settling a disagreement about the definition of HAT. So my company uses the word HAT to mean “height of the aircraft above TDZE…at any given distance…at any given time” So as an ...
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0answers
155 views

Why does Fairbanks, AK have a terminal area chart?

It's a relatively uncluttered airspace. Why have a TAC? FAI Terminal Area Chart Arguably, Louisville, KY has at least the same complexity, and since it's UPS's hub it's far more active. Plus, it's a ...
3
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2answers
189 views

Symbol found on an IFR low chart

I see this symbol on an IFR low chart, can someone tell me what it is?
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4answers
902 views

What type of chart is displayed on ATC radar screens?

I am looking to make an emulation of the radar screen familiar to Air Traffic Controllers, such as the pictures below. I have been having a very hard time finding what type of chart/map is being used. ...
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0answers
90 views

Is it possible to get a digital download of the entire US VFR charts? [closed]

I'm wondering if there is a way to get a download of every US sectional chart stitched together like what you would find on Skyvector when you press "World VFR"? I tried looking on Skyvector,...
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0answers
31 views

Where can I find the position of the MRP (Map Reference Point) for LT6-formatted track data?

I have located a dataset with tracks from January to March 2006 over the Northern California TRACON here (from data.gov). I have taken a look at the files and the "coordinates" seem a bit ...
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1answer
168 views

What are all the frequencies on the sectional chart?

See the image below of a screenshot of DFW - Dallas Fortworth Sectional chart. There are a multiple frequencies. Based on what I learnt on Sportys so far, a CTAF has a (C), then UNICOM has a UNICOM ...
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2answers
281 views

Where are the "Admitted Aircraft symbols" on Jeppesen VFR aerodrome charts defined?

Jeppesen VFR aerodrome charts depict several symbols for "admitted aircraft". However, even after checking several symbol legends I never found a definition of these symbols. Does anyone ...
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1answer
214 views

Why is there no airport beacon light symbol on the sectional for KSAC, although it does have one?

The star symbol on the top of the airport means airport beacon light but Sacramento Executive (KSAC) has no star symbol but they do have a beacon light and controlled airport as well. Is that ...
5
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0answers
68 views

Why does the 0 radial on a sectional's VOR appear not to point to magnetic north? [duplicate]

I have been scanning sectional charts and have noticed that the local magnetic declination is always a few degrees off from the 0 radial of VOR's around it. I have been told that the two are supposed ...
3
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1answer
187 views

Why is KLAX and KSEA depicted class D in IFR low enroute chart? [duplicate]

I was looking at ifr low enroute chart and just figured out that KSEA and KLAX are depicted as class D. Aren't they Class B airports? why do they have D mark?
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1answer
75 views

Is this wording that appears in the legend of the "Chart Supplement" re "airspace" actually used in any entry in the Chart Supplement?

On page 26 of the legend for the February 25 2021 issue of the "Chart Supplement" for the NE region of the US, in reference to airports where Class D airspace converts to surface-level Class ...
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1answer
727 views

What does an "X flagged" VOR mean on an en-route IFR chart?

Source: skyvector.com Maybe I'm looking at the wrong sections / using wrong keywords in the chart user's guide.
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182 views

Can anyone explain me the ILS Approach Chart of my Airport?

I'm from Lucknow, India (VILK) and recently I experienced my very first CAT IIIB ILS landing at my homebase. Ever since I'm more curious to know about this technology and how it works. I was able to ...
4
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1answer
160 views

How far in advance of "effective date" are VFR sectional charts usually made available? (US)

In the US, how far in advance of the "effective date" are new editions of VFR sectional charts usually made available? Is the answer different for the paper version and the digital version? ...
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1answer
76 views

Where can I find coordinates for Special Use Airspace (e.g. restricted areas) in the USA? [duplicate]

I am looking for exact specifications for a few prohibited and restricted areas near me so I can plot these areas in other mapping software. I can use sectional charts to estimate, but I am curious if ...
3
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1answer
677 views

Legend for SkyVector's Sectional Chart outside the US

Does anyone know where can I find the legend for the symbols used by SkyVector's Sectional Chart for places outside the US? The US symbols are well documented but other places (e.g. the United Kingdom ...
7
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1answer
580 views

What are the different types of take-off minima at the bottom of a Jeppesen airport diagram?

Anyone that could explain the bottom plate, what’s the difference between all those minima?
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1answer
420 views

What do these double Class Bravo airspace floor and ceiling limits mean?

While browsing SkyVector I came across these double Class B airspace limits within the same section (is that what you call it?). I'm wondering what it means and what the difference is between this and ...
3
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1answer
143 views

Does this chart show a heliport in class D airspace without a control tower?

I was looking at the Los Angeles area on sky vector, and I noticed a tiny little triangular class D area right next to LAX. It shows that the height of the class D goes up to 2,500, but I couldn't see ...
4
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1answer
123 views

Were planned release dates skipped in 2020 for the VFR sectional charts for Juneau Alaska and Dutch Harbor Alaska?

Were planned release dates skipped in 2020 for the VFR sectional charts for Juneau Alaska and Dutch Harbor Alaska? On February 3 2021, the FAA's "Raster Charts" webpage listed a March 26 ...
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1answer
255 views

What does this symbol mean?

Does anybody know what the icon inside the circle mean ? Found at aviationweather.gov
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1answer
178 views

What are these shaded areas?

What are these shaded areas? I looked in the Jeppesen legend, but couldn't find the answer. Thanks
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1answer
177 views

When I use a plotter to identify a direction from a VOR, what heading or course is it exactly?

When I use my ASA IFR plotter and I'm working off a VOR, what direction am I getting? True course, true heading, magnetic heading, magnetic course?
8
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2answers
193 views

On old sectional charts, what was the purpose of the domestic ADIZ regions and what was the difference between a "Defense Area" and an "Open Area"?

Looking at an old US sectional chart from 1956, I noticed a few oddities around where Air Defense Identification Zones (ADIZs) were placed. Compared to modern airspace where the US ADIZ is strictly ...
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2answers
214 views

What are the lines of triangles on the DCA RWY 19 River Visual approach chart?

A recent update of a certain flight simulator made me revisit this chart and I had not noticed the lines of triangles (at the Chain Bridge / Roosevelt Bridge etc, but not at the Key Bridge) in a past ...
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2answers
130 views

Help reading a FAA departure procedure chart

I was hoping to get a few answers regarding how to read a FAA departure procedure chart. Let's take the JUDTH SEVEN DEPARTURE chart shown below: From what I can tell, it seems that the diagram in ...
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1answer
360 views

Why do IFR charts show TACAN paired frequencies when there is no collocated VOR?

The image below shows a low IFR chart with a VORTAC on the right and a TACAN on the left. I understand the VORTAC is labelled with both VOR frequency and TACAN channel so that a civilian user could ...
2
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1answer
141 views

What do EU pilots use for IFR enroute charting (besides Jeppesen)?

Is there something equivalent to FAA IFR enroute charts for the EU, where you can see published routes, holds, minimum altitudes, etc? I can find terminal area procedures in the AIPs, but the ...
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0answers
51 views

Where can I obtain a .KML file for a TRACON’s area of responsibility? [duplicate]

I want an overlay on my moving map for the radar service areas of a TRACON facility. Are there any sites that host this for free?
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4answers
875 views

How can I determine whether or not an airport has an ATIS?

Where can I find the ATIS code and frequency for an airport through a VFR chart? For example, in the case of Frankfort airport (in the attached image), I can see the AWOS frequency but I am unable to ...
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1answer
446 views

Where can I find the active time of a MOA on the VFR chart?

I am trying to find out the time when the HILLTOP MOA is active and its elevation. Where is this information located in a VFR chart?
8
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1answer
226 views

Can you change airways when they cross without a named fix?

There are a few victor airways that cross without a named fix, just two solid lines drawn over each other on the IFR low charts. Can these be used as intersections for changing airways in IFR route ...
2
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1answer
1k views

What does the * (asterisk) next to radio and nav aid frequencies on Jeppesen charts refer to?

For Bournemouth, all radio frequencies and LOC IBMH are marked with an asterisk - * Many other airports also have these markings, such as: Southampton, Alderney, Jersey, Guernsey, Exeter... However, ...
4
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1answer
633 views

What is the difference between a waypoint and a significant point in an airspace?

I know ATS routes are made up of waypoints, but what are Significant Points used for? Is there a difference, or are they really just two names for the same thing?
5
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1answer
294 views

What’s the grey altitude depicted in the profile view on Jeppesen charts?

What’s the altitude depicted in grey in the profile view? Why there are some approaches that this isn’t depicted and some are?
10
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1answer
175 views

Why are different distances listed for the ILS and the LOC on this approach chart?

Maybe someone has an idea why are there two separate distance values (marked in blue) for ILS and LOC approaches?
1
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1answer
227 views

Where can I find airport diagrams for the Philippines?

I would like to have airport map, just like the one that pilots can see when they are taxiing. Is it possible to get such a map, even if you are not a pilot? Perhaps there are applications which a ...
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0answers
78 views

Why do planes generally curve north and not south? [duplicate]

I know that the shortest distance on a sphere is a curve and not a straight line, so that's why planes curve when they fly. But why is that planes curve north and not south? For example, when if I hop ...
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1answer
140 views

What do the Airway Letters and the following numbers mean? [duplicate]

For example, from RCTP - ZGGG the route is AJENT MKG A1 ANPOG R200 GLN W22 IDUMA via the AJENT SID to the IDUMA STAR. What does "A1 or R200 or W22" mean? Are they just randomly allocated letters with ...
10
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2answers
2k views

What organisation owns intersection names?

I understand that five letter intersection codes (such as WARPI, PAPPI, KUBBS, ROSLY, ZALPO, ...) are unique in the world. However, their names don't comprise a national prefix (as aircraft tail ...
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1answer
193 views

Where do I find charts like this for Europe or Global [closed]

I am playing Xplane11 and I am trying to find charts like this But for Europe or USA and shows every ILS approach, detalied maps etc. For europe I have found one site such as http://www.uvairlines....
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1answer
150 views

Where are the seaport conventions for VFR charts explained?

VRF charts contain information about seaports. For example, 00 - 50 in the formation block for HNL seems to be for a waterway: ...
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0answers
54 views

where can I find the codes used on Skyvector charts?

on https://skyvector.com/?ll=51.25181634927654,3.6845398064171233&chart=301&zoom=1 at N51°14.00' E3°46.96' is see a code "EBW" (blue circle with in-pointing teeth). I searched everywhere but ...
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1answer
443 views

Why is there no Maltese Cross in this non-precision approach chart which has a FAF?

I am wondering why this chart does not show the FAF with a maltese cross as it is used in non-precision approaches to depict FAF. The chart’s briefing strip refers to D6.0 as the FAF and on the plan ...
2
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2answers
298 views

What is the floor of the class E airspace near KRHV when the tower is closed?

See the attached diagram snippet for KRHV in Northern California. The chart supplement says that when the tower is closed the airport surface is class G. At this time, what is the floor of class E in ...

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