Questions tagged [aeronautical-charts]

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

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684 views

What course should be taken to make estimated calculations?

(skyvector.com) When I want to calculate the leg time from GIJ to CRL going along the airway J554, at say FL190, I know that I have to calculate the ground speed first, but in order to do that, ...
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49 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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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
387 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 ...
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What is the map projection for FAA terminal procedure charts?

What is the map projection for FAA terminal procedure charts and what are the parameters (standard parallels) for each specific airport? I couldn’t find any information with the publication ...
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1answer
70 views

Has there been a recent change in the airspace configuration at KFYV-- Drake Field near Fayetteville AR?

Has there been a recent change in the airspace configuration at KFYV-- Drake Field near Fayetteville AR? If so, where can we find an official description of that change? KFYV -- Drake Field airport ...
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70 views

Is there any example of a US VFR sectional chart containing both a reference to "Class E" airspace, and to older terminology for the same airspace?

Is there any example of a US VFR sectional chart whose legend describes the airspace depicted by the thin dashed magenta line both as "Class E" or "Class E airspace", and also with the older ...
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116 views

Which countries provide the parameters for their national height reference model in the AIP?

There is a standard in Annex 15 1.2.2.3 "When a geoid model other than the EGM-96 model is used, a description of the model used, including the parameters required for height transformation between ...
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43 views

On a sectional, is there a way to determine if an airport is an Air Force/Naval base? [duplicate]

On the east coast, we have a lot of Air Force/Naval bases that are listed on sectionals. Is there a quick way to determine that an airport is one of these?
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152 views

What is the inner dashed line on this helicopter chart?

Inside the delta for KSGR is another blue dashed circle. What is this?
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1answer
133 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?
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1answer
716 views

How does VFR work in countries other than USA? What does hi and lo mean? [closed]

I saw that at https://skyvector.com/ the VFR sectional charts were available for the USA only. Do other countries use the same format for sectional charts? Additionally What does Lo and Hi mean at ...
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1k views

What is the radius of a VOR compass rose on a VFR sectional chart?

I thought I read somewhere that it was 10 nautical miles. Does anyone have a reference on whether that's the case or not? I'd like to use the measurement of a compass rose to aid in my estimation of ...
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1answer
503 views

How to calculate the distance between two waypoints on an approach plate?

Can you please show me how to calculate the distance between the 2 waypoints A and C as shown on the picture? I would really appreciate it. I am having difficulties to calculate the distance between 2 ...
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1answer
63 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 ...
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2answers
242 views

Are the airspace times of operation days of the week in local or Zulu time?

The margin of the Enroute High sectional H-4 claims that the times of operation of the airspace R-5107K near El Paso are "1400-0300Z, MON-FRI" (and other times by NOTAM). If the days of the week are ...
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2answers
315 views

In the US, how does the distinction between E2 and E3/E4 airspace affect pilots?

In the US, practically speaking, how does the distinction between the E2 and E3/E4 subtypes of Class E airspace affect pilots?
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207 views

What do the partially filled circles on skyvector mean? [duplicate]

What does a partially filled weather status circle signify on Skyvector.com ?
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1answer
129 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 ...
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29 views

For find a value of obstacles height below mentioned in intermediate segment why I should take the IAF MOCA instead of FAF MOCA?

It is said that we have to think all risk of flight in this segment that's why we have to take the 4420ft because the plane can be situated any point in this interval
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2answers
108 views

where can i get a aviation map of korea with the moes, and highways and vectors [closed]

ive been searching for a aviation map of South Korea and cant find anyone that sells it. does anyone know where I can find one for flight planning
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221 views

Why there is a 'MACH' in this Compressibility Correction Chart?

I couldn't find what 'Mach 1.0' and 'Mach 0.8' are trying to indicate in the middle of the chart. Can anybody explain about this please?
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1answer
631 views

Where can I find airport diagrams from airports all over the world?

I am trying to build a database of airport diagrams (PDF documents). For the US, the FAA seems to be the best source. Are there any other free sources for Europe, Asia, etc... Also the data needs to ...
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28 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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153 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 ...
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76 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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55 views

Aerodrome category, certification?

I need to know how you tell the certification of new airport just built? how can you tell if airport is certified for International flights or not? approved for intl flights or not meeting ...
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2k views

What does "ACFT MAX 65/7 " means on lido charts?

What does "ACFT MAX 65/7" on the minima box means? I found out that its related to wingspan and some vertical distance, but I still didn't get the vertical distance thing !!
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129 views

What are some of the bigger differences world wide in VFR charts?

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 ...
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132 views

Can you operate regular commercial flights from an airport that is uncharted and not in the national AIP?

Is it possible to operate regular, commercial flights from an airport (aerodrome) that is not in the national AIP, and for which there are no charts, maps, terrain information, obstacle information, ...
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1answer
229 views

May an ultralight vehicle pass directly above KEGE at 9200 MSL at 1600Z with no prior authorization without violating FAR 103.17?

May an ultralight vehicle pass directly above KEGE at 9200 MSL at 1600Z with no prior authorization without violating FAR 103.17? http://vfrmap.com/?type=vfrc&lat=39.643&lon=-106.916&zoom=...
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94 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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1answer
315 views

Why does this VOR's compass has an arrow pointing north east?

The VOR compass here has an arrow that points to the north east. I never saw an VOR compass like that. What is the explanation?

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