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Questions tagged [aeronautical-charts]

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

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Why is there no Maltese Cross in this non-precision approach's profile view 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.
pilot162's user avatar
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4 votes
0 answers
1k views

What exactly is the difference between HIALS and HIALS-II lighting systems?

What exactly is the difference between HIALS and HIALS-II lighting systems? The symbols at the beginning of the runways are very different and I cannot classify them in a particular way. But in ...
pilot162's user avatar
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2 votes
0 answers
146 views

Which transmissometer measures the RVR value specified in the takeoff limits section? TDZ? MID? Or Rollout?

Which transmissometer measures the RVR value specified in the takeoff limits section? TDZ? MID? Or Rollout (RO)? If there are 3 transmissometers for the runway at an airport, which transmissometer ...
pilot162's user avatar
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2 votes
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513 views

When is Class Delta Airspace not Class Delta?

Although there could be many examples, I'm using the KLCQ airport in this case. This is how the airspace stands: In the CHART Supplement, it is mentioned that it's a "Class D svc other times class E"....
RaajTram's user avatar
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2 votes
1 answer
193 views

Why is the magnetic variation value from 1999, although the AIP Charts in my country are up to date?

Why is the magnetic variation value from 1999, although the AIP Charts in my country are up to date? In all of the chart examples I shared below, the variation value is 3.2°E and belongs to 1999. ...
pilot162's user avatar
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1 vote
0 answers
212 views

Although 2 RVR device symbols are given in the airport planview, there are 3 RVRs (TDZ,MID,RO) in the takeoff limits section. How is this possible?

Although 2 RVR device symbols are given in the airport planview, it is written in the takeoff minimums section that all 3 RVR values (TDZ, Mid, Rollout) must be provided for the departure limits. MID ...
pilot162's user avatar
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1 vote
1 answer
647 views

What is the difference between Jeppesen NavData & Digital Terminal Charts?

https://ww2.jeppesen.com/update-cycle-and-effective-dates-schedule/ in the link provided above, Jeppesen NavData has 28day cycle whereas Digital Terminal Charts have 14day cycle Can you provide the ...
Krishna Kanth's user avatar
1 vote
0 answers
324 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 ...
Kenn Sebesta's user avatar
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1 vote
0 answers
113 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 ...
Wouter M.'s user avatar
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1 vote
0 answers
246 views

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 ...
TobiBS's user avatar
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1 vote
0 answers
71 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 ...
quiet flyer's user avatar
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1 vote
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128 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 ...
Б. Золбаяр's user avatar
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191 views

Which values do "PANS-OPS" and "Standard" labels represent in the minimum table seperately? (minimums, circle-to-land values, aircraft categories...)

What is the difference between these two labels and which values do they represent in the minimum table exactly? ("PANS-OPS" and "Standard") What are the values that Standard and ...
pilot162's user avatar
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0 votes
1 answer
822 views

What is the distinct difference between "Std" and "Standard" markings on Jeppesen charts?

What is the difference between "Std" and "Standard" markings on Jeppesen charts? I read the descriptions, but I can't make a clear distinction. Because both EASA and ICAO represent ...
pilot162's user avatar
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745 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 ...
Avgeeker's user avatar
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0 answers
58 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 ...
Adham81's user avatar
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3k 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 !!
Islam Elsayed's user avatar
0 votes
0 answers
249 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 ...
jwzumwalt's user avatar
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1 answer
207 views

Although the missed approach point in the profile view is 1.1 DME-400 feet, the GS out reference altitude is given as 410 feet in 1.0 DME. HOW?

Although the missed approach point in the profile view is 1.1 DME-400 feet, the GS out reference altitude is given as 410 feet in 1.0 DME. HOW?! Based on GS out reference altitudes, we are expected ...
pilot162's user avatar
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-1 votes
1 answer
179 views

Jeppesen airport codes for holding positions - catstops

what would be the meaning of the jeppesen catstop codes for holding positions(AM_TaxiwayHoldingPosition): {-32767, -32765, 2, 1} ? Seems that they are used completly different, for example on LTFM (...
Alexis's user avatar
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