National Airspace System(NAS)Review

Class “A” Airspace

• From 18,000 MSL to FL600• Must set your altimeter to 29.92 at 18K MSL• Must be IFR Pilot and Aircraft• Must be on an IFR Flight Plan• DME above FL240• RVSM above FL290

Questions

• Why 18K MSL and not FL180?

• Figure this; What if you were VFR at 17,500 MSL and the local altimeter was 29.42?

Class “B” Airspace

• How does it look on a sectional?– Big & Blue, blue rings or thick lines– Some resemble an upside down wedding cake

Class “B” Airspace

• Dimensions (Typical)– Surface to 10,000’ MSL– 30 NM radius from main airport– Usually has different “floors”

Class “B” Airspace

• What do you need to enter it?– 2 way radio– Operable Mode C transponder– Clearance

Can You Enter the BRAVO??

• N9185S, turn left heading 270, descend and maintain four thousand five hundred, traffic at your two o'clock position and 2 miles. Peachtree DeKalb airport in on your twelve and one zero miles, advise the airport in site.

Class “B” Airspace

• VFR Weather Minimums– 3 statute miles visibility– Remain Clear of Clouds– No Special VFR here

Class “B” Airspace

• Mode “C” Veil• Extends 30 NM from the NAV aid on the field

Class “B” Airspace

• So what if you want to navigate through & stay outa trouble????

TAC Chart

• www.skyvector.com

Class “C” Airspace

• How it looks on a chart.• Magenta solid rings

Class “C” Airspace• Dimensions, 2 main parts– Inner Circle, SFC to 4000 AGL– Outer Ring, 1200 AGL to 4000 AGL

Class “C” Airspace

• Entry requirements.– 2 Way Radio– Mode C Transponder in and above– Tail number acknowledgment

Class “C” Airspace

VFR Weather Minimums• 3 Statute miles visibility & 1,5,2

Can you Enter the CHARLIE??

• N9185S, turn left heading one eight zero, descend and maintain four thousand five hundred for traffic. The Columbus airport in on your twelve and one five miles, advise the airport in site

What about this one??

• N9185S, Stand by.

Class “D” Airspace

• How it looks on the sectional?

• Blue Dashed lines or circles

Class “D” Airspace• Dimensions• SFC to 2500 AGL• 5 Statute Miles radius

Class “D” Airspace

Entry Requirements

• Establish 2 way radio• No transponder needed!

Class “D” Airspace

VFR Weather Minimums• 3 Statute miles visibility & 1,5,2

Questions

• Why 5 Statute miles and not 5 Nautical miles?

Class “E” Airspace

Most flown through – so all should now this one

• What does it look like on a chart?

Class “E” Airspace

• “E” from SFC to 18K MSL

Class “E” Airspace

• From 700 AGL to 18K MSL

• Shaded Magenta

Class “E” Airspace

• 1200 to 18K MSL

Other Area’s of “E”

• Victor Airways• Above FL600• Above 18K MSL in the Alaskan Peninsula

Class “G” Airspace

If you can not classify the airspace as A,B,C,D, or E, then It is considered class G.

Class “G” Airspace

How does it look on a chart?

?????????

Class “G” Airspace

Dimensions

• SFC to 14,500• Normally goes to 700 or 1200 agl

• Think GROUND

Class “G” Airspace

Entry Requirements

*NONE*

Class “G” Airspace

VFR Weather Minimums

Special Use Airspace

Restricted Area

Special Use Airspace

Prohibited Area

Special Use Airspace

Military Operations Area

Special use Airspace

Alert & Warning Areas

Special Use Airspace

Watch Out For WHO???

• 4 digits, at or below 1500 AGL• 3 digits, means above and below 1500 AGL• Speeds in excess of 250 KIAS

Other Airspace Info

• www.AOPA.org• www.FAA.GOV• www.FAASafety.gov• Right here at the flight school!!