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•...
Questions• Why 18K MSL and not FL180?• Figure this; What if you were VFR at 17,500MSL 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 ...
Class “B” Airspace• Dimensions (Typical)– Surface to 10,000’ MSL– 30 NM radius from main airport– Usually has different “f...
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 andmaintain four thousand five hundred, traffic atyour t...
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” AirspaceVFR 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 fivehundred for t...
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” AirspaceEntry Requirements• Establish 2 way radio• No transponder needed!
Class “D” AirspaceVFR Weather Minimums• 3 Statute miles visibility & 1,5,2
Questions• Why 5 Statute miles and not 5 Nautical miles?
Class “E” AirspaceMost 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” AirspaceIf you can not classify the airspace as A,B,C,D, orE, then It is considered class G.
Class “G” AirspaceHow does it look on a chart?
?????????
Class “G” AirspaceDimensions• SFC to 14,500• Normally goes to 700 or 1200 agl• Think GROUND
Class “G” AirspaceEntry Requirements*NONE*
Class “G” AirspaceVFR Weather Minimums
Special Use AirspaceRestricted Area
Special Use AirspaceProhibited Area
Special Use AirspaceMilitary Operations Area
Special use AirspaceAlert & 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!!
National airspace system (NAS)
National airspace system (NAS)
National airspace system (NAS)
National airspace system (NAS)
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National airspace system (NAS)

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A review of the national airspace system within the US.

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National airspace system (NAS)

  1. 1. National Airspace System(NAS)Review
  2. 2. 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
  3. 3. Questions• Why 18K MSL and not FL180?• Figure this; What if you were VFR at 17,500MSL and the local altimeter was 29.42?
  4. 4. Class “B” Airspace• How does it look on a sectional?– Big & Blue, blue rings or thick lines– Some resemble an upside down wedding cake
  5. 5. Class “B” Airspace• Dimensions (Typical)– Surface to 10,000’ MSL– 30 NM radius from main airport– Usually has different “floors”
  6. 6. Class “B” Airspace• What do you need to enter it?– 2 way radio– Operable Mode C transponder– Clearance
  7. 7. Can You Enter the BRAVO??• N9185S, turn left heading 270, descend andmaintain four thousand five hundred, traffic atyour two oclock position and 2 miles.Peachtree DeKalb airport in on your twelveand one zero miles, advise the airport in site.
  8. 8. Class “B” Airspace• VFR Weather Minimums– 3 statute miles visibility– Remain Clear of Clouds– No Special VFR here
  9. 9. Class “B” Airspace• Mode “C” Veil• Extends 30 NM from the NAV aid on the field
  10. 10. Class “B” Airspace• So what if you want to navigate through &stay outa trouble????
  11. 11. TAC Chart• www.skyvector.com
  12. 12. Class “C” Airspace• How it looks on a chart.• Magenta solid rings
  13. 13. Class “C” Airspace• Dimensions, 2 main parts– Inner Circle, SFC to 4000 AGL– Outer Ring, 1200 AGL to 4000 AGL
  14. 14. Class “C” Airspace• Entry requirements.– 2 Way Radio– Mode C Transponder in and above– Tail number acknowledgment
  15. 15. Class “C” AirspaceVFR Weather Minimums• 3 Statute miles visibility & 1,5,2
  16. 16. Can you Enter the CHARLIE??• N9185S, turn left heading one eight zero,descend and maintain four thousand fivehundred for traffic. The Columbus airport inon your twelve and one five miles, advise theairport in site
  17. 17. What about this one??• N9185S, Stand by.
  18. 18. Class “D” Airspace• How it looks on the sectional?• Blue Dashed lines or circles
  19. 19. Class “D” Airspace• Dimensions• SFC to 2500 AGL• 5 Statute Miles radius
  20. 20. Class “D” AirspaceEntry Requirements• Establish 2 way radio• No transponder needed!
  21. 21. Class “D” AirspaceVFR Weather Minimums• 3 Statute miles visibility & 1,5,2
  22. 22. Questions• Why 5 Statute miles and not 5 Nautical miles?
  23. 23. Class “E” AirspaceMost flown through – so all should now this one• What does it look like on a chart?
  24. 24. Class “E” Airspace• “E” from SFC to 18K MSL
  25. 25. Class “E” Airspace• From 700 AGL to 18K MSL• Shaded Magenta
  26. 26. Class “E” Airspace• 1200 to 18K MSL
  27. 27. Other Area’s of “E”• Victor Airways• Above FL600• Above 18K MSL in the Alaskan Peninsula
  28. 28. Class “G” AirspaceIf you can not classify the airspace as A,B,C,D, orE, then It is considered class G.
  29. 29. Class “G” AirspaceHow does it look on a chart?
  30. 30. ?????????
  31. 31. Class “G” AirspaceDimensions• SFC to 14,500• Normally goes to 700 or 1200 agl• Think GROUND
  32. 32. Class “G” AirspaceEntry Requirements*NONE*
  33. 33. Class “G” AirspaceVFR Weather Minimums
  34. 34. Special Use AirspaceRestricted Area
  35. 35. Special Use AirspaceProhibited Area
  36. 36. Special Use AirspaceMilitary Operations Area
  37. 37. Special use AirspaceAlert & Warning Areas
  38. 38. Special Use Airspace
  39. 39. 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
  40. 40. Other Airspace Info• www.AOPA.org• www.FAA.GOV• www.FAASafety.gov• Right here at the flight school!!

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