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Airspace Review. AIM. Q. What are the lateral dimensions of Class A Airspace?. A. Class A airspace lies over the 48 contiguous states and Alaska, including airspace overlying waters within 12 NM of the coast. Q. What are the vertical dimensions of Class A Airspace?. - PowerPoint PPT PresentationTRANSCRIPT
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AIM
Airspace ReviewAirspace Review
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Q. What are the lateral dimensions of Class A
Airspace?A. Class A airspace lies over the 48
contiguous states and Alaska, including airspace overlying waters within 12 NM of the coast.
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Q. What are the vertical dimensions of Class A
Airspace?A. Class A airspace vertical limits
are 18,000 feet MSL to FL 600. In Alaska, excludes airspace below 1500 AGL.
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Q. What type of flying operations are permitted in
Class A Airspace?
A. Only IFR operations are permitted in Class A airspace. VFR is not permitted.
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Class A Airspace
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Q. What are the lateral dimensions of Class B
Airspace?A. The lateral boundaries of Class B
airspace are individually tailored. There are no special dimensions. The airspace consists of at least 2 layers (looks like an upside down wedding cake).
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Q. What are the vertical dimensions of Class B
Airspace?
A. Class B airspace extends from the surface to generally 10,000 feet MSL. Each layer has its own defined vertical limit.
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Q. What are the minimum cloud and visibility
requirements within Class B Airspace?
A. Minimum weather requirements for Class B Airspace are: Distance from clouds = Clear of Clouds. Minimum Visibility = 3 SM
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Q. What are Class B Airspace communications
requirements?
A. Must have positive ATC clearance prior to entry or departure from airspace. For IFR operations, must have VOR or TACAN.
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Q. What is the Class B Airspace transponder
requirement?
A. Aircraft must have a transponder with Mode - C.
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Q. What is the Mode - C veil?
A. The mode-C Veil is the airspace within 30 NM of the Class B airport in which a transponder with Mode-C is required. Active from surface to 10,000 feet MSL. The Veil is denoted on VFR charts by a thin blue line.
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Q. How is Class B airspace charted on a VFR sectional
map?
A. Class B airspace is charted on a VFR sectional by a series of blue circles.
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Class B Airspace
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Q. What are the lateral dimensions of Class C
Airspace?A. Class C airspace has 2 circles
centered on the airport:The inner circle has a radius of 5 NMThe outer circle has a radius of 10
NM
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Q. What are the vertical dimensions of Class C
Airspace?
A. The inner circle starts at the surface up to 4000 Feet AGLThe outer circle starts at 1200 Feet AGL up to 4000 Feet AGL
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Q. What are the minimum cloud and visibility
requirements within Class C Airspace?
A. Minimum weather requirements for Class C Airspace are: Distance from clouds = 500 Ft below, 1000 Ft above, 2000 Ft horizontally. Minimum Visibility = 3 SM
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Q. What are Class C Airspace communications
requirements?
A. You must establish communications with ATC prior to entry.
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Q. What is the Class C Airspace transponder
requirement?
A. Aircraft must have a transponder with Mode - C within and above all Class C airspace, up to 10,000 Ft MSL.
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Q. How is Class C airspace charted on a VFR sectional
map?
A. Class C airspace is charted on a VFR sectional by two magenta circles.
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Class C Airspace
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Q. What is the outer area of Class C airspace?
A. The outer area is not part of Class C airspace. The outer area has a radius of 20 NM from the airport. It starts at the lower limit of radio/radar coverage and goes up to the upper limit of Approach Control’s delegated airspace.
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Q. What are the lateral dimensions of Class D
Airspace?A. Class D airspace is normally a 5
SM radius from the airport. Some airports may have extensions protruding from the circle.
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Q. What are the vertical dimensions of Class D
Airspace?
A. Class D airspace extends from the surface up to 2500 Ft AGL.
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Q. What are the minimum cloud and visibility
requirements within Class D Airspace?
A. Minimum weather requirements for Class D Airspace are: Distance from clouds = 500 Ft below, 1000 Ft above, 2000 Ft horizontally. Minimum Visibility = 3 SM
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Q. What are Class D Airspace communications
requirements?
A. You must establish communication with ATC prior to entering Class D airspace.
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Q. What is the Class D Airspace transponder
requirement?
A. Class D airspace has no transponder requirement.
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Q. What are the extensions protruding from Class D
airspace?
A. Extensions are used for instrument approaches. If the extension is 2 NM or less, it is Class D airspace. If any one extension is greater than 2 NM, then all of the extensions are Class E airspace.
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Q. How is Class D airspace charted on a VFR sectional
map?
A. Class D airspace is charted on a VFR sectional by a blue dashed circle.
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Class D Airspace
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Q. What is the definition of Class E airspace?
A. Class E airspace is all controlled airspace that is not classified as Class A, B, C, or D airspace
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Q. What are the minimum cloud and visibility
requirements within Class E Airspace?
A. Minimum weather requirements for Class E Airspace are: Below 10,000 Ft. MSL: Distance from clouds = 500 Ft below, 1000 Ft above, 2000 Ft horizontally. Minimum Visibility = 3 SM
10,000 Ft. MSL or Above: Distance from clouds = 1000 Ft below, 1000 Ft above, 1 SM horizontally. Minimum Visibility =
5 SM
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Q. How is Class E airspace, at non-towered airports,
charted on a VFR sectional map?
A. Non-towered Class airports are charted on a VFR sectional by a dashed magenta lined circle. Extensions are charted with magenta dashed lines
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Surfaced-basedClass E Airspace
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Q. What are Class E Airspace communications
requirements?
A. There are no communications requirements to operate within Class E airspace
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Q. What is the Class E Airspace transponder
requirement?
A. Class E airspace has no transponder requirement.
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Q. If there is no Class E airspace designated
otherwise, where does Class E airspace start?
A. Unless designated at a lower altitude, Class E airspace begins at 14,500 Ft MSL up to 18,000 MSL only over the 48 contiguous States and Alaska.
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Class E Airspace
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Q. What are Class E transition areas and what altitudes do they start at?
A. Class E airspace that is used to transition to/from the terminal or enroute environment is called a transition area.
A fading magenta color on a VFR sectional denotes a transition area starting at 700 Ft AGL.
A fading blue color on a VFR sectional denotes a transition area starting at 1200 Ft AGL. However, the blue color is not shown unless it abuts uncontrolled Class G airspace.
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Q. What type of airspace are Federal airways? What are the vertical limits of Federal
airways?A. Federal airways are Class E
airspace. They start at 1200 Ft AGL up to but not including 18,000 Ft MSL.
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Q. What is the width of a VOR airway?
A. The width of a VOR airway is 8 NM, 4 NM either side of centerline. This is only true within 51 NM of the VOR. After 51 NM, the airway expands about 2 NM for every 13 NM increase in length.
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Victor Airway
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Q. What are TRSA’s ?
A. A terminal radar service area is airspace where a pilot can receive radar services to transition to/from the airport that has the TRSA. Pilot participation of the radar usage within a TRSA is voluntary, but highly encouraged.
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TRSA
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Q. What type of airspace is Class G?
A. Class G airspace is uncontrolled airspace.
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Q. What are the VFR weather minimums in Class G airspace at or below 1200
feet?A. Day: Clear of Clouds;Visibility-1
SM Night: Clear of Clouds; Visibility-
3 SM
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Q. What are the VFR weather minimums in Class G airspace above 1200 feet?
A. Less than 10,000 Ft MSL: 500 Ft below, 1000 Ft above, 2000 Ft
horizontal;Visibility-1 SM Day/3 NightAt or greater than 10,000 Ft MSL
1000 Ft below, 1000 Ft above, 1 SM horizontal;Visibility-5 SM (Day & Night)
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Q. IF planning an IFR flight through Class G airspace,
what are the altitude considerations?
A. When planning through uncontrolled airspace, aircraft must remain 1000 Ft above the highest obstacle in flat terrain and 2000 Ft in mountainous terrain within 4 NM of the course to be flown.
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Where now?Where now?