Questions tagged [aeronautical-charts]

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

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7
votes
0answers
89 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 ...
4
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1answer
148 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?
1
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1answer
112 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
107 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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2answers
107 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?
11
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2answers
497 views

What is the primary reason that the non-towered airports KACV and KTVL have E4 extensions to E2 airspace?

NOTE-- this question is not about why it was desired to protect the airspace that ended up within the E4 "extensions". Rather, this question is about why that was done by designating that airspace as ...
1
vote
1answer
115 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 ...
12
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2answers
13k views

What are Runway Declared Distances?

Perusing through the A/FD in the United States I see that some runways have declared distances while others do not. What is the meaning of: TODA TORA ASDA LDA
4
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1answer
241 views

What does the letter J mean at the start of an FAA instrument approach chart identifier?

To identify a specific Instrument Approach Chart in either the FAA Terminal Procedures Publication (TPP), or the Department of Defense (DoD) Terminal Low Altitude (TLA) Charts, the FAA uses what they ...
0
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1answer
73 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: ...
6
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2answers
625 views

Is there a list of all airways?

Is there a public and current (AIRAC-cycle 1509) list of all worldwide victor- and jetairways (including the pertaining intersections)? I'm not searching for a graphical map of the airways, but more ...
0
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1answer
116 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 ...
1
vote
1answer
73 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....
6
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2answers
6k views

What is the difference between fixes and waypoints on an arrival plate?

This is a followup to my other question on this topic. Figured I'd just make it a whole separate question. The plates below show STAR arrivals to KMEM. The points along the route are marked with two ...
4
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3answers
386 views

May the Class-E-to-surface airspace near Eagle County Regional airport (KEGE) and Marshall AAF (KFRI) be ignored when the tower is open?

May the Class-E-to-surface designation indicated by the dashed magenta lines outside the dashed blue circle at Eagle County Regional airport (KEGE) be ignored when the tower is open? Likewise at ...
16
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5answers
10k views

Where can I find GA VFR maps for Australia?

Are there any sites similar to SkyVector (US-based) for GA aviation maps in Australia? I understand that Air Services Australia has miscellaneous single-purposes maps available, but they seem to be ...
58
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1answer
8k views

What is significant about the number 8069 ft?

On a sectional chart legend, the airport icon with a solid magenta or blue disk is labeled as "Hard surfaced runways 1500 ft to 8069 ft in length". This seems like an extraordinarily arbitrary number ...
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0answers
15 views

Is there an equivalent to chart bulletins for Low and High Enroute Charts?

The FAA publishes Chart Bulletins for updates to some charts, but not all. This does not include IFR Low/High Enroute Charts. Why are they excluded? Is there another type of bulletin that handles ...
1
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1answer
166 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 ...
20
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3answers
5k views

Why does Class D overlap class B around SeaTac? …and other Seattle Bravo airspace strangeness

I noticed KBFI's class delta overlaps SeaTac's bravo by 500 to 700 feet. Does anyone know which tower the overlapping airspace belongs to? Does it classify as Bravo airspace and do you need to hear ...
2
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2answers
184 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 ...
5
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1answer
305 views

Does the large 6-pointed star on a sectional warn of dangerous radar facility?

I cannot find an explanation for this symbol on the chart legend. Example: near BAB, Beale AFB, on the San Francisco Sectional Chart, does it warn of the dangerous radar facility? Source: skyvector....
0
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1answer
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
3
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3answers
263 views

What does this symbol on this Aerodrome Chart mean?

Does anyone know what this symbol on aerodrome charts is?
4
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1answer
97 views

Having trouble reading some charts (SBMG-SBLO)

I'm a flight sim user practicing instrument navigation with a short and apparently simple flight, SBMG to SBLO (South America). The distance between the two airports is 49.5 nautical miles (the ...
5
votes
2answers
134 views

How to use airport panel information on sectional chart?

In the Chart Supplement, the airport information includes the chart on which the airport is located. It also includes a panel on the chart where the airport is located. How can I use this panel ...
13
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3answers
1k views

Why is the clearance delivery frequency included on an approach plate?

Approach plates include frequencies in the order that pilots will require them, reading from left to right. The example below from McClellan-Palomar’s ILS or localizer/DME approach to runway 24 is a ...
7
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2answers
136 views

When to start descent entering a racetrack under NORDO?

Scenario: I am flying in IMC, and communications fail completely. IMC persists up until destination, where I will be conducting the following instrument approach: I am flying direct to ZUNAD from the ...
4
votes
1answer
835 views

Why do TACANs not have a symbol for compulsory reporting on IFR Enroute Low Altitude charts?

I am studying the IFR Enroute Low Altitude legend, and I noticed that all NAV Aids other than TACAN have a compulsory reporting point icon. They do appear on the STAR/DP legend. Why do TACANs not ...
2
votes
1answer
217 views

Where to find the parking coordinates of the aircraft in the Apron?

Is it possible to find out the coordinates of where the aircraft park in an the Apron? I mean some sort of list for each terminal or aeronautical chart. I was thinking about the AIP (Aeronautical ...
5
votes
1answer
230 views

What does the “Caution” box mean on the sectional near Half Moon Bay, California?

What does this Caution box on the sectional chart near Half Moon Bay, California mean? Is there an official reference for the meaning of this box?
3
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5answers
213 views

How do I improve navigation with a VFR sectional chart?

I am doing my PPL atm. I am struggling to navigate with a VFR sectional chart, I am getting lost more often. How do I fix this issue? Any tips? I have trouble identifying small towns, identifying ...
0
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2answers
155 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 ...
8
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1answer
145 views

Which timezone do airspaces that cross a time zone boundary belong to on a VFR sectional?

The Albuquerque VFR sectional claims that the airspace table in the margin use local time, but some of the airspaces in the table cross timezone boundaries. Which timezone do those airspaces belong ...
12
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2answers
429 views

Gas Venting Stations: What's The Big Deal?

On sectional charts you can see that, through various restrictions, regulators encourage pilots to avoid flying too close to Gas Venting Stations. These seem to be places where natural gas may ...
7
votes
2answers
625 views

How do you encode a radial to radial turn in ARINC-424?

I am building my own ATC simulator and for that purpose I need to include several instrument procedures. I have a problem with that particular one: My problem is on KEA transition, the leg between "...
0
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0answers
28 views

In an Intermediate Approach Segment, why are the Optimum Approach ratio 0% and the max. approach ratio 5.2%?

In an Intermediate Approach Segment, the Optimum Approach ratio is 0% and the max. approach ratio is 5.2%. Where do those specific numbers come from, and what do they mean to pilots?
16
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2answers
1k views

How does Jeppesen create its US charts?

The Jeppesen and FAA IFR plates represent the same information in different ways. The FAA publishes its charts for free, but the underlying data that goes into the charts (e.g., exact coordinates of ...
2
votes
2answers
926 views

How can I identify the FAF on this Jeppesen chart?

According to this Jeppesen ILS Approach Chart: How can the FAF be identified? Would it be the point at which the G/S is intercepted? What is the difference between FAF and FAP?
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0answers
72 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 ...
5
votes
1answer
279 views

Can IAF and IF be in the same spot?

While looking over an ILS approach chart, I found that there is a fix where says : (IF/IAF) ACZUP ... And I was consfused whether the two IF and IAF can be in the same place, or the spot is used as ...
4
votes
1answer
338 views

What units are used for the horizontal grid lines on a sectional?

On a standard 1:500,000 aviation sectional chart, the map is broken down into quadrangle "sections" with a maximum elevation figure printed in blue in the center. Using a chart-plotter I can see ...
1
vote
1answer
160 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?
4
votes
1answer
195 views

What are the historical precedents of today's E2 and E4 airspace? (US)

What are the historical precedents of today's E2 and E4 airspace? From what previous airspace classes did these airspaces evolve? How do these precedents help us understand the significance of the ...
9
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1answer
277 views

What is the purpose of this interesting pattern of class E airspace in northwest Alaska?

Perusing SkyVector today I noticed this airspace pattern: It can be viewed in more detail here. What immediately jumped out at me is that there are no charted airports in any of this airspace; the ...
20
votes
1answer
2k views

Why would an airport be depicted with symbology for runways longer than 8,069 feet even though it is reported on the sectional as 7,200 feet?

This airport, KMKO, Muskogee-Davis Regional in Oklahoma southeast of Tulsa is depicted on the sectional chart with symbology normally reserved for airport with a hard surfaced runway longer than 8069 ...
7
votes
1answer
2k views

VORTAC symbol over KMOT airport - is the small dot the center?

I am looking at KMOT and I see a little dot over the airport symbol, is that the center of the VORTAC?
0
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1answer
144 views

What is the inner dashed line on this helicopter chart?

Inside the delta for KSGR is another blue dashed circle. What is this?
4
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1answer
4k views

What is the difference between VFR Flyways, Corridors and Transition Routes?

What is the difference between: VFR Flyways VFR Corridors VFR Transition Routes I can find a Flyway chart on the reverse side of the TAC chart and also Transition Routes in the TAC chart. But where ...