Linked Questions

12
votes
4answers
8k 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 ...
8
votes
2answers
2k 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 ...
8
votes
3answers
672 views

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 ...
9
votes
2answers
622 views

Is it possible for a non-towered airport to have keyhole extensions Class E starting at the surface?

(skyvector.com, modified) The Springfield, OH airport, KSGH, is a non-towered airport with both precision and non-precision instrument approach procedures. To support these approaches, there are a ...
3
votes
3answers
431 views

Does an SVFR clearance extend to Echo surface extensions?

Sec. 91.157 Special VFR weather minimums. (a) Except as provided in appendix D, section 3, of this part, special VFR operations may be conducted under the weather minimums and requirements of this ...
4
votes
1answer
580 views

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 ...
3
votes
2answers
110 views

To what FAA office or personnel should one direct an inquiry about the reasons behind the airspace design at a particular airport?

The airspace design process is extremely complex. See for example this FAA document, Order 7400.2M. To what FAA office or personnel should one direct an inquiry about the reasons behind the design ...
2
votes
1answer
163 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 ...
3
votes
2answers
151 views

Why are KACV and KTLV depicted differently on sectional charts than KSGU, KBIH, and KTPL, even though each is E2 w/ E4 extensions?

This question specifically is about non-towered airports surrounded by round circles of E2 airspace, with one or more "extensions" of E4 airspace that abut the E2 airspace. Therefore it is not the ...
2
votes
0answers
97 views

In the US, can airspace simultaneously be E2 and E4? What happens at KSTC to the airspace in the dashed magenta boundary when the tower closes?

In the US, can the same airspace simultaneously be E2 and E4? Consider the case of KSTC -- St. Cloud Regional Airport, MN. http://vfrmap.com/?type=vfrc&lat=45.546&lon=-94.059&zoom=10 On ...