Questions tagged [airspace]

Airspace means the air above a specific country (e.g. US airspace) but for aviation purposes it is usually divided into different types, each of which may have different regulations.

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12
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5answers
10k views

Which parts of class E airspace can an ultralight (part 103) fly in without prior ATC authorization?

I'd like to clarify a very specific statement from 14 CFR Part 103: 103.17 OPERATIONS IN CERTAIN AIRSPACE No Person may operate an ultralight vehicle within Class A, Class B, Class C, or Class D ...
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1answer
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Does FAR 91.155c apply to class E surface extensions?

Federal Aviation Regulation (FAR) 91.155 says under (c): Except as provided in §91.157, no person may operate an aircraft beneath the ceiling under Visual Flight Rules (VFR) within the lateral ...
10
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2answers
654 views

What is the primary reason that the non-towered airports ACV, TVL, SGU, BIH, and SIT/PASI 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 ...
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1answer
144 views

In the US, in actual practice, workload permitting, will ARTC facilities grant SVFR clearance for surface-level Class E “extensions” (E4 airspace)?

In the US, in actual practice, workload permitting, will ARTC Centers and Approach Control facilities grant clearance for Special VFR operations in surface-level Class E "extensions" (E4 ...
23
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4answers
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What is the difference between the airspace's classes (for non-pilots)?

When I'm reading about aviation, it's very common to see references to Class B or Class C airspace and airports. What are the different classes and what are the differences between them?
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3answers
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I just flew into class B airspace without a clearance, what should I do now?

Hypothetical: Let's say (for whatever reason) a pilot became distracted or disorientated, and found themselves in class B airspace. What steps should they take immediately and after landing to be ...
12
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7answers
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Can an IFR clearance be issued and flown through IMC in class G airspace?

Let's say an IFR flight was planned to depart from a non-towered airport with class G airspace extending from the surface to 700 feet AGL. The flight visibility and ceiling both go down to 0. Can the ...
14
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4answers
941 views

Where can the airspace boundary coordinates for Fayetteville TRACON be found?

I would like a map depicting the airspace owned by Fayetteville TRACON that includes lat/long coordinates (i.e. not just a cartoon-y outline with no information). Ideally, I'd like to find a site ...
2
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1answer
258 views

What are all the US airports where E4 “extensions” change to E2 and become part of a larger E2 “surface area” when the tower closes for the night?

Of all the US airports with part-time control towers and with E4 "extensions", in which cases are the airspace definitions written so that the E4 "extensions" change to E2 and become part of a larger ...
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3answers
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Does Flight Following automatically include permission to fly through class C or D airspace?

The situation is as following - I requested flight following at approach, got a squawk and instructed to maintain VFR with heading and altitude at my discretion. My route is through class D and class ...
16
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5answers
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Where can I get the FAA data that defines airspace, including MOAs etc.?

I was looking at http://www.gelib.com/aeronautical-charts-united-states.htm, where you can download shape files for Google Earth that show US airspaces. I'm writing some software that has a similar ...
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2answers
275 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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2answers
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What are some examples of warning areas and restricted areas?

Can you please give me some examples of warning and restricted areas? How can an aircraft enter these areas? What are the procedures you have to follow before entering them?
4
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1answer
234 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 ...
0
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1answer
187 views

What additional airspace will be off-limits to an a/c w/ no elect. system or xponder under 91.225 (ADS-B) compared to under 91.215?

Under FAR 91.225 (requirement for ADS-B-out), what additional airspace over the 48 contiguous states in the U.S. will be off-limits to an aircraft w/ no electrical system or transponder, compared to ...
19
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3answers
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What is the legal altitude to fly through Yosemite Valley (US)?

I have a question regarding flying in the Yosemite Valley national park, which I flew over last weekend in an open-cockpit gyroplane. The sectional states you must be a minimum of 2,000 ft about the ...
19
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3answers
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Is it legal to fly in RVSM airspace with an inoperative autopilot?

FAR Part 91, Appendix G, Section 2 says: (c) Altitude-keeping equipment: All aircraft. To approve an aircraft group or a nongroup aircraft, the Administrator must find that the aircraft meets ...
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3answers
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What are concrete examples for class G up to 14500?

It is said that there are some places where class G goes up to 14500 and then class E starts. However, I find they all overplayed with some special use airspace by looking at NorCal and SoCal ...
8
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1answer
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What is a red airway on the VFR sectional?

The VFR sectionals show a number of airways/routes marked in red. Here are several near KMTH, you can see B-646 extending east of the NDB: There are others in Alaska that are lettered A, R or G, e.g. ...
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2answers
581 views

Apart from Kenya, what are the current dangerous / unsafe airspaces?

Notams are regularly released to warn about unsafe areas, e.g. Kenya: A0040/15 - SECURITY .. UNITED STATES OF AMERICA ADVISORY TO U.S. OPERATORS CONCERNING POSSIBLE ATTACKS WITH MAN - ...
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2answers
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When is this Class D airspace not Class D airspace?

The Terminal Area Chart (TAC) shows the Class D airspace for Los Angeles International Airport (KLAX) view the full TAC. I have highlighted in green the north and south portions of the Class D ...
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3answers
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What are E2 and E4 airspace?

We have a number of questions here about E2 vs. E4 airspace (see summary of links in this answer) but what does that mean? As far as I can see, neither the AIM nor the ATC Orders mention E2 or E4 ...
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1answer
867 views

How close can I fly to a bridge?

I want to take some pictures of a bridge. How close can my pilot get me?
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1answer
483 views

A question about FAR 91.225(e)(2) — pertains to ADS-B-out requirement and exemption for aircraft with no electrical system

This is a question about FAR 91.225 (requirement for ADS-B-out) and where aircraft with no electrical system will be able to fly. FAR 91.225 exempts aircraft with no electrical system from many of ...
33
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2answers
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What does “OBJECTIONABLE” indicate on a VFR chart?

On the Tulsa, Oklahoma VFR sectional the top of the outer Class C ring says "OBJECTIONABLE". Does this indicate some information on the chart is in dispute? I don't see anything in the VFR chart ...
25
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5answers
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Can civilian aircraft fly through or land in restricted airspace in an emergency?

This is a super hypothetical question of mine. I was wondering if civilian pilots who happened to be faced with a severe emergency could fly through or possibly request to land in restricted airspace? ...
22
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4answers
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Can you bust a TFR while operating under IFR?

Is it possible for the pilot to be held responsible for violating a Temporary Flight Restriction if the controller makes a mistake while you are operating under an Instrument flight plan (ie: does not ...
34
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1answer
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Why is there a strip of uncontrolled airspace between Russia and Norway?

The airspace between Russia and Norway over the Barents Sea is an uncontrolled air space; no FIR is set. Illustration taken from this document. This area is like a corridor from the Scandinavian ...
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7answers
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Do I have any authority over airspace above my land?

With all this talk about drones flying around and delivering parcels for the merchant websites, I'm wondering from a "landlubber's" perspective, how much say I have over the airspace of my private ...
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2answers
4k views

What restrictions apply to flying RC and UAV planes in India at very low altitudes?

We are working on a UAV and will soon get to the testing phase. We intend to fly at a maximum altitude of 300-400 meters. I wanted to know as to what restrictions apply to the airspace in India (...
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1answer
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When conducting a circling approach, how close do you have to stay to the airport (especially with the new FAA requirements)?

I heard that the FAA recently changed how they calculate the protected area for circling approaches, and it looked quite complicated because it changes based on altitude and speed, etc. Can you ...
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3answers
368 views

Who decided which airspaces not to fly through and how?

I was looking at some flight paths, and I noticed that while some airspaces are ignored by planes for "obvious" reasons, like the Ukraine - Russian border airspace. For example, this flight seems to ...
9
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2answers
34k views

What is a Terminal Radar Service Area (TRSA) and what are its operational requirements?

Some fairly busy airports that you would expect to have Class B or C airspace have class D airspace at the airport and normal class E and G airspace around that. In addition, they have an area drawn ...
9
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4answers
1k views

What is the benefit or motivation for having Class G airspace?

I'm looking at the differences between Class E and Class G (AIM 3-2-6) airspace in the United States and I get that there are different flight condition requirements depending on AGL/MSL altitudes, ...
4
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3answers
417 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 ...
4
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3answers
300 views

Is the official weather report for an airport in Class D airspace controlling for its Class E surface extension?

If the official weather report for an airport for which Class D airspace is designated is showing IMC, is that controlling for a Class E surface extension (designated for that airport)? For example, ...
26
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4answers
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Can I fly “into” the Grand Canyon?

I haven't looked at the Grand Canyon on a sectional yet, but I know that it is definitely big enough (by far) so that someone could fly a plane under the level of the rim and stil meet all of ...
26
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3answers
8k views

When flying VFR without GPS, how do pilots know if they are inside controlled airspace or not?

How do VFR pilots know whether or not they are inside controlled airspace if they don't have GPS onboard?
22
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1answer
2k views

How does aviation deal with satellite and Moon laser ranging, and other scientific lasers in the sky?

It seems there are many scientific laser ranging stations around the globe and some are mobile. Scientists Bounce Laser Off Soviet Lunar Rover Lost On Moon Decades Ago. Source Questions How ...
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3answers
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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 ...
17
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1answer
954 views

What's the process for an uncontrolled airfield to become controlled/towered?

I know some uncontrolled airports can have more operations per day than many controlled airports. That got me wondering what the process is for the change to a towered, controlled airport. I know a ...
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2answers
3k views

May aerobatics be performed over a controlled airport without getting a waiver?

CFR 14 Part 91.303 states: Aerobatic flight. No person may operate an aircraft in aerobatic flight-- (a) Over any congested area of a city, town, or settlement; (b) Over an open air assembly of ...
8
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1answer
2k views

Why doesn't EVA Air BR087 (Taipei to Paris) follow the shortest path?

I've noticed that the flight BR087 from TPE to CDG doesn't follow an orthodrome. Instead, it seems to take great pains to avoid the Chinese airspace entirely. Why? EVA Air has other flights ...
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2answers
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What separation and information does ATC provide in different airspace classes?

I am busy studying radio for my PPL in South Africa, but I'm struggling to understand the ICAO definitions of the different airspace classes, and how ATC separates traffic in them. I understand that ...
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2answers
243 views

What class is the airspace at KGCN when the tower is closed?

I was wondering if someone could help me figure out how the airspace around the Grand Canyon National Park Airport (KGCN) works. The chart supplement here says: AIRSPACE: CLASS D svc 1 Jun thru 30 ...
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2answers
349 views

How many aircraft can an ATCo control simultaneously, on procedural and radar service?

Aispace is separated in sectors, and each one has its own frequency. What's the airspace capacity for procedural and radar services, for a single sector?
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2answers
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Can one country really ban another from using its airspace?

Consider the recent restriction by Saudi Arabia on Qatar Airways flights, which prevents Qatar flights from flying over Saudi airspace. Qatar now has to use longer routes and go fly around the land ...
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2answers
25k views

Can a pilot fly through a restricted area while flying on a Victor Airway?

For example if you look at V 23-165-597, from Seal Beach CA to Ocean Side CA, you will notice that it goes through restricted area for Camp Pendleton (R-2503A & D): I was trying to understand ...
8
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1answer
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What are the differences between a VOR and a VORTAC? [duplicate]

In Brazil airspace, we do not have VORTACs to navigate (unfortunately). That's why my doubts about accuracy, the range, the possible systems/frequencies they operate, and if there is any restriction ...
8
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3answers
10k views

Is an ultralight aircraft allowed to fly near Class B airspace?

May an ultralight vehicle operating under FAR part 103 operate within Class G and E airspace while within the mode C veil surrounding a Class B airport? Quoting directly from Title 14 CFR 91.1 ...