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#1
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Overlapping class C & D
The Dayton Class C airspace sits right next to the Wright-Patterson AFB
Class D airspace. A vector for the ILS approach often takes us over or through the class D airspace. If we are VFR, I always verify with the approach controller if we are ok to enter the class D. I have received mixed answers to this query. Sometimes the controller will thank me for asking and confirm that the class D controller is aware of us. Sometimes he will change the vector upon my query. Sometimes the controller has told me that I am ok to enter the class D airspace as long as I am talking to him. One controller was even annoyed that I asked him, and proceed to say that I was ok to transition the class D. What is the normal procedure in situations like this? |
#2
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"Andrew Sarangan" wrote in message 58... The Dayton Class C airspace sits right next to the Wright-Patterson AFB Class D airspace. A vector for the ILS approach often takes us over or through the class D airspace. If we are VFR, I always verify with the approach controller if we are ok to enter the class D. I have received mixed answers to this query. Sometimes the controller will thank me for asking and confirm that the class D controller is aware of us. Sometimes he will change the vector upon my query. Sometimes the controller has told me that I am ok to enter the class D airspace as long as I am talking to him. One controller was even annoyed that I asked him, and proceed to say that I was ok to transition the class D. What is the normal procedure in situations like this? IFR or VFR, the approach controller is required to coordinate the transition of Class D airspace with the tower controller. FAA Order 7110.65P Air Traffic Control Chapter 2. General Control Section 1. General 2-1-16. SURFACE AREAS a. Coordinate with the appropriate nonapproach control tower on an individual aircraft basis before issuing a clearance which would require flight within a surface area for which the tower has responsibility unless otherwise specified in a letter of agreement. REFERENCE- FAAO 7210.3, Letters of Agreement, Para 4-3-1. 14 CFR Section 91.127, Operating on or in the Vicinity of an Airport in Class E Airspace. P/CG Term- Surface Area. b. Coordinate with the appropriate control tower for transit authorization when you are providing radar traffic advisory service to an aircraft that will enter another facility's airspace. NOTE- The pilot is not expected to obtain his/her own authorization through each area when in contact with a radar facility. c. Transfer communications to the appropriate facility, if required, prior to operation within a surface area for which the tower has responsibility. REFERENCE- FAAO 7110.65, Radio Communications Transfer, Para 2-1-17. FAAO 7110.65, Surface Area Restrictions, Para 3-1-11. FAAO 7110.65, Application, Para 7-6-1. 14 CFR Section 91.129, Operations in Class D Airspace. |
#3
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In a previous article, Andrew Sarangan said:
The Dayton Class C airspace sits right next to the Wright-Patterson AFB Class D airspace. A vector for the ILS approach often takes us over or through the class D airspace. If we are VFR, I always verify with the Often in a case like this there will be a LOA (Letter of Agreement) between the facilities that allows the approach controllers to use some of the class D airspace without asking. -- Paul Tomblin http://xcski.com/blogs/pt/ ....I'm not one of those who think Bill Gates is the devil. I simply suspect that if Microsoft ever met up with the devil, it wouldn't need an interpreter. -- Nick Petreley |
#4
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In article , Andrew
Sarangan wrote: The Dayton Class C airspace sits right next to the Wright-Patterson AFB Class D airspace. A vector for the ILS approach often takes us over or through the class D airspace. If we are VFR, I always verify with the approach controller if we are ok to enter the class D. I have received mixed answers to this query. Sometimes the controller will thank me for asking and confirm that the class D controller is aware of us. Sometimes he will change the vector upon my query. Sometimes the controller has told me that I am ok to enter the class D airspace as long as I am talking to him. One controller was even annoyed that I asked him, and proceed to say that I was ok to transition the class D. What is the normal procedure in situations like this? As Paul said, there is a Letter of Agreement. The Columbus OH airspace has three CDAS beneath the KCMH CCAS. There is a LOA between Columbus and each of the three satellites that reduces the CDAS from 4000 AGL to 2500 AGL, giving the CCAS Approach control the airspace 2500 and above. (Note that 2500 AGL is the floor of the CCAS surrounding Columbus.) |
#5
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"EDR" wrote in message ... As Paul said, there is a Letter of Agreement. The Columbus OH airspace has three CDAS beneath the KCMH CCAS. There is a LOA between Columbus and each of the three satellites that reduces the CDAS from 4000 AGL to 2500 AGL, giving the CCAS Approach control the airspace 2500 and above. (Note that 2500 AGL is the floor of the CCAS surrounding Columbus.) The standard for Class D airspace is 2500' AGL. The standard for the ten mile ring of Class C airspace is 1200' to 4000' AGL. The OSU and TZR Class D airspace areas use the standard, the LCK Class D airspace ceiling is 2300' AGL. The CMH ten mile Class C ring is 1700' to 4000' AGL. |
#6
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Andrew Sarangan wrote in message . 158...
The Dayton Class C airspace sits right next to the Wright-Patterson AFB Class D airspace. A vector for the ILS approach often takes us over or through the class D airspace. If we are VFR, I always verify with the approach controller if we are ok to enter the class D. I have received mixed answers to this query. Sometimes the controller will thank me for asking and confirm that the class D controller is aware of us. Sometimes he will change the vector upon my query. Sometimes the controller has told me that I am ok to enter the class D airspace as long as I am talking to him. One controller was even annoyed that I asked him, and proceed to say that I was ok to transition the class D. What is the normal procedure in situations like this? The controller is required to arrange your transition through the class D airspace. I'm sure Steven McNicholl will post the relavent passage of the controllers handbook if required :-) John Galban=====N4BQ (PA28-180) |
#7
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I'm sure Steven McNicholl will post the relavent passage of the controllers handbook if required :-) Nah. He'll post the fact that it's in there. Jose -- (for Email, make the obvious changes in my address) |
#8
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In article . net,
Steven P. McNicoll wrote: "EDR" wrote in message ... As Paul said, there is a Letter of Agreement. The Columbus OH airspace has three CDAS beneath the KCMH CCAS. There is a LOA between Columbus and each of the three satellites that reduces the CDAS from 4000 AGL to 2500 AGL, giving the CCAS Approach control the airspace 2500 and above. (Note that 2500 AGL is the floor of the CCAS surrounding Columbus.) The standard for Class D airspace is 2500' AGL. The standard for the ten mile ring of Class C airspace is 1200' to 4000' AGL. The OSU and TZR Class D airspace areas use the standard, the LCK Class D airspace ceiling is 2300' AGL. The CMH ten mile Class C ring is 1700' to 4000' AGL. OOPS!!! That should have been MSL in posting. I knew that, I was the one that petitioned to make it uniform back in the early 1990's. |
#9
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"EDR" wrote in message ... OOPS!!! That should have been MSL in posting. Ehh? With field elevations ranging from 744' to 906', substituting MSL for AGL doesn't make a better fit. |
#10
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In article . net,
Steven P. McNicoll wrote: "EDR" wrote in message ... OOPS!!! That should have been MSL in posting. Ehh? With field elevations ranging from 744' to 906', substituting MSL for AGL doesn't make a better fit. Most certainly does! CCAS floor is 2500 MSL and the ceiling is 4800 MSL. CCAS tops out 4000 AGL/4800 MSL referenced KCMH. One of the unforeseen concequences of my petition to raise the floor on the west side of the CCAS was to allow the ILS 10L G/S to descend through the 5/10 mile floor and reenter the the 5 mile cylinder. This came to light during an OSU home football game. An America West pilot filed a near miss report with a banner tow aircraft. It wasn't all that close. After granting the petition and raising the floor on the west side 300 feet, the FSDO gave the banner tow waivers the addition airspace. They changed the waivers and reduced the ceiling for the banner tow aircraft after the near miss report. |
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