Airspace Refresher

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Airspace Refresher
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?
How many kinds of airspace are there in the
United States?
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The answer is 4 Controlled Uncontrolled Special
Use Other
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In the beginning . . .
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Controlled airspace beginnings . . .
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Class A Airspace Above
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Class A Airspace
18,000 MSL
IFR Flight Plan
Instrument Rating
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Class A Airspace
Altimeter set to 29.92
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Class A Airspace
Flight Levels
Constant Pressure Levels
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Class A Airspace
At / Above FL240
DME Required
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Class B Airspace Biggest Busiest
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Class B Airspace
Inverted Wedding Cake
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Class B Airspace
Dimensions
30 NM Radius Surface to ?10,000 MSL
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Class B Airspace
VFR Weather Minima
3 SM Visibility - Clear of Clouds
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Class B Airspace
ATC Clearance
Clearance Required Prior to Entry
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Memphis Class B Airspace
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Class B Airspace
Altitude Symbology
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Class B Airspace
Transponder Required
Mode C Veil
30 NM
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Class B Airspace
VFR Transition Routes VFR Corridors VFR Flyways
Transition Route Requires an ATC Clearance
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Class C Airspace Communicate
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Class C Airspace
Inverted Wedding Cake
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Class C Airspace
Dimensions
5 NM Core, 10 NM Shelf (Radius) Surface to 4,000
AGL
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Class C Airspace
Communications
Establish Communications Prior to Entry
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Little Rock Class C Airspace
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TRSA Airspace Terminal
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Terminal Radar Service Area (TRSA)
Inverted Wedding Cake
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TRSA Service
TRSA Airspace
Communications Not Required NOT Controlled
Airspace
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Monroe TRSA Airspace
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Class D Airspace Dialog
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Class D Airspace
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Class D Airspace
Dimensions
Radius ? 4 NM Surface to 2,500 AGL
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Class D Airspace
Communications
Establish Prior to Entry
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Class D Airspace
Altitude Symbology
Ceiling in Feet MSL
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Class D Airspace
Operating Control Tower
Clearance for Takeoff / Landing
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Class D Airspace
Exclusions
Shape Can Change to Exclude Satellite Airports
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Class D Airspace
Extensions Class D or E
Instrument Approaches / Departures
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Class D Arrival Extensions Longer Than 2 NM Are
Designated Class E
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Communication Not Required
Communicate w/Tower
Controlled Airspace Weather Minima Required in
Both
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Class E Airspace Everywhere Else
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Class E Aloft or Surface Based
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Class E Airspace Aloft
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Controlled Airspace (Aloft) Begins at 700 or
1,200 AGL or 14,500 MSL
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Vignette Color Indicates Floor of Class E Aloft
Airspace
Blue Vignette is Shown Only Where it Abuts
Uncontrolled Airspace
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Class E Airspace Surface Based
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Controlled Airspace Begins at the Surface and
Extends Upwards
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VFR Weather Minima in Surface-Based Controlled
Airspace
Cloud Clearance
Clear of Clouds
500 Below, 1,000 Above, 2,000 Horizontally
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VFR Weather Minima in Surface-Based Controlled
Airspace
3 SM Visibility
Airport Operations Beneath Clouds Require a
Ceiling of 1,000 or More
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Class G Airspace Government Free
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Class G Airspace
Surface to 700 AGL 1,200 AGL or 14,500 MSL
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Class F Airspace Forget it
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Class F Airspace
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Special Use Airspace
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Prohibited Areas
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Restricted Areas
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Warning Areas
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WARNING W-386
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Military Operations Areas
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Other Airspace
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Airport Advisory Area
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Military Training Routes
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Temporary Flight Restrictions
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National Security Areas
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Parachute Jump Areas
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Selected Airspace Regulations
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Speed Limit Cylinder
Within Class C or D Airspace
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FAR Part 93 Special Air Traffic Rules and Airport
Traffic Patterns
Box Around Airport Name Indicates FAR Part 93
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National Park Service Areas ----------------------
------------------------- U.S. Fish Wildlife
Service Areas ------------------------------------
----------- U.S. Forest Service Wilderness
Primitive Areas
All aircraft are requested to maintain a minimum
altitude of 2,000 feet AGL.
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Fixed Wing Special VFR

• Requires
• 1 Mile Visibility
• Clear of Clouds
• Instrument Rating and Equipment at Night

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Helicopter Special VFR

• Requires
• Clear of Clouds

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Fixed Wing Special VFR Prohibited
When Noted on Charts
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Mode C Required
Everywhere Above 10,000 MSL Except within 2,500
AGL
Class B
Primary
Class C
Airport
Within 30 NM to 10,000
Within and Above to 10,000
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Air Safety Foundation
Airspace Card
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