Airspace Characteristics

Question 1

Class Golf Characteristics

Answer 1

Uncontrolled airspace
Surface to 1,200’ AGL
Surface to 14,500’ MSL
14,500 MSL or 1500’ AGL

Question 2

Class Echo Characteristics

Answer 2

Above FL600
Below 18,000’ MSL to 1,200 AGL
Down to 700’ AGL:
- For IFR approaches
Down to surface:
- Busy non-towered airports

Question 3

Class Delta Characteristics

Answer 3

Small towered airports
Single cylinder:
- Surface to 2,500’ AGL (average)
- Custom radius (4nm average)
Entry requirements:
- Must have 2 way radio
- Must establish radio communications

Question 4

Class Charlie Characteristics

Answer 4

Large towered airports
Two layer inverted cake:
- Core
  - Surface to 4,000’ AGL
  - 5nm radius
- Shelf
  - Between 1,200’ AGL and 4,000’ AGL
  - 10nm radius
  - 20nm outer area (marks radar coverage)
Entry requirements:
- 2 way radio and Mode C transponder
  - Mode C transponder required to overfly Class C
- Must establish radio communications

Question 5

Class Bravo Characteristics

Answer 5

Busiest airports
Custom built inverted layer cake:
- Design incorporates all IFR approaches
- 30nm Mode C veil
  - Mode C transponder required within veil
Entry requirements:
- 2 way radio and Mode C transponder
- Must obtain ATC clearance before entry
- Must hold Private Pilot certificate or have specific student endorsement

Question 6

Class Alpha Characteristics

Answer 6

18,000’ MSL to 60,000’ MSL
Flight levels:
- Flown at pressure altitude not true altitude
Entry requirements:
- IFR rating
- IFR flight plan and clearance
- Above FL240 DME required