19 votes
Accepted

Why do aircraft fly over Paris when they're forbidden from doing so?

This is a map from SkyVector with the airspace around Paris: You can see several major airports like Charles De Gaulle and Le Bourget to the North East and Orly to the South. In the center, there is ...
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  • 45.9k
15 votes

What routes are available for airliners to fly from Europe to Japan without entering Russian airspace?

While it won't be the most efficient or direct routes, flights would be redirected South of Russian airspace. They're probably avoiding Ukrainian air space too, just to be on the safe side. A quick ...
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  • 15.1k
7 votes

What routes are available for airliners to fly from Europe to Japan without entering Russian airspace?

Another option would be to fly over the pole to Anchorage (4450 miles = 7160 km) and from there to Tokyo (3466 miles = 5577 km). This combined distance (plus a fuel stop) of just over 7900 miles (...
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  • 14.6k
6 votes

What is the purpose of warning areas?

AIM 3-4-4 states. A warning area is airspace of defined dimensions, extending from three nautical miles outward from the coast of the U.S., that contains activity that may be hazardous to ...
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5 votes
Accepted

Why does the surface-level Class E airspace at SIT/PASI (Sitka Alaska) extend so far to the northwest?

The LDA/DME RWY 11 approach puts you darned close to 1000 AGL over those mountains if you come in from HEXAB on the localizer - and that assumes you fly it perfectly. The course reversal for that ...
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5 votes
Accepted

Restricted airspace and lower limits

R-6904A is listed as having a lower limit of 150' AGL. If I stay under 150' AGL, then I am not technically entering this restricted airspace, correct? Correct. Would I need to contact or notify ...
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  • 17.4k
5 votes

Are there any "VFR corridors" in the US apart from the one in San Diego?

San Diego is the only location that has a "VFR Corridor" that I can find. There may be others, but I've looked at many of the main Class B airspace areas (San Francisco, Las Vegas, Los ...
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  • 19.7k
4 votes

What is the difference between regulatory and nonregulatory airspace?

Regulatory vs Non regulatory has nothing to do with enforcement. What it pertains to is how the airspace is created. Regulatory airspace must go thru the rule-making process before it can be ...
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4 votes

Does a class E airspace still exist when the associated control tower is closed?

Does the extension (class E from surface up) airspace becomes non existing? It depends on whether the Class D airspace at the surface reverts to surface-level Class E airspace, or to Class G airspace ...
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  • 17.4k
3 votes
Accepted

What is meant when "flying/operating below Controlled Airspace"?

It seems you're in the UK, and there are 5 different types of airspace (A, C, D, E and G), each of which have different rules about clearances required, minimum visibility etc. As you have noticed, ...
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3 votes

What Class Airspace Surrounds TRI Cities?

The Grey outlined area surrounding TRI-Cities airport is a "Terminal Radar Service Area" (TRSA). See this information from the Aeronautical Information Manual (AIM) paragraph 3-5-6, and this ...
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  • 19.7k
3 votes

What airspace class is the New York Hudson/East River SFRA airspace, and what is its visibility requirements?

Having special flight rules in Part 93 doesn't mean that the regular flight rules of Part 91 don't still apply. The SFRA is within the faded magenta line on the sectional chart, indicating Class G up ...
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  • 1,764
3 votes

How did ATC procedures and airspace structure change after San Diego PSA collision?

In addition to TomMcW@'s answer, the FAA also installed ILS systems at both KMYF and KCRQ and implemented Class B airspace around KSAN. The Cessna wasn't just allowed near busy airspace, they were ...
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3 votes

What regulations are in place for ultralight vehicles flying over US national parks?

The first thing I want to say here is that you don't want to be the reason that a law is written. The FAA tries very hard to not need to enforce any types of rules on it users. It comes though in all ...
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2 votes

What does "approved" mean in these quotes?

To answer both your questions in the context of faa-regulations: First, "approved" in those sentences refers to the type of separation provided: "approved separation." This means ...
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2 votes
Accepted

What does "outside controlled airspace above 1200ft AGL" mean?

This answer will assume from the context of the question, that the question pertains to the airspace of the United States. This answer will also assume that the question pertains to airplanes, or ...
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  • 17.4k
2 votes

Is the airspace at KUGN class G from the surface to 1200' AGL where class E starts when the tower is closed?

The Chart Supplement will describe only the surface-level airspace. If it says "...other times CLASS E" that means the Class E will begin at the surface. If it says "...other times ...
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2 votes
Accepted

What happens procedurally when a country's airlines are now allowed to fly through another country's airspace for the first time? (new flight routes?)

Saudi Arabia already grants overflight permission for aircraft from many countries, so all Israeli aircraft will have to do is follow the documented rules and avoid any prohibited areas like Mecca, ...
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  • 11.4k
1 vote
Accepted

Generally speaking, which assumes a greater (steeper) minimum climb or descent angle – approach procedures or departure procedures?

The descent is usually steeper, except in mountainous areas. The standard descent angle is 3°, or about 300 feet per mile. Very few approaches are steeper than this; designers prefer to alter the ...
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  • 26.5k
1 vote
Accepted

What Class Airspace Surrounds TRI Cities?

The airspace at Tri-Cities Airport is Class D when the tower is open and surface-level Class E when the tower is closed. The shape of this airspace is a simple circle, 4.3 miles in radius. There is ...
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  • 17.4k
1 vote

Why does the surface-level Class E airspace at SIT/PASI (Sitka Alaska) extend so far to the northwest?

As another answer has noted, the surface-level Class E "extension" to the northwest of SIT/PASI is indeed intended to protect the LDA/DME RWY 11 approach. In the July 20 2021 edition of the &...
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  • 17.4k
1 vote

Can ATC issue instructions to exclude certain aircraft over international waters?

Sure, US ATC can tell Russian aircraft that they're not allowed. Countries coordinate traffic outside their borders all the time. (Mostly over the ocean of course, but here's a video of a Canadian ...
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1 vote

What does "approved" mean in these quotes?

"Approved separation" means any separation specified in FAA Order JO 7110.65, Air Traffic Control, that has a minima (a numerical value) attached to it. Like "6,000 feet and airborne&...
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1 vote

Can an IFR clearance be issued and flown through IMC in class G airspace?

You ask: "Could an IFR clearance be issued that allows IFR flight and waives the basic VFR weather minimums for class G airspace?" The answer to the first part of the question is an ...
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