Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Controlled Airspace

- Class A From 18,000 feet to 60,000 feet, all over the US.
- Class B Surrounding major airports, 0-10,000 feet. Consists of multiple layers, like an upside-down wedding cake. Most restricted. (Must get ATC authorization)
- Class C Surrounding airports with a control tower, radar, and over a specific amount of traffic. Usually 5 NM (nautical mile) radius from 0-4,000 feet, and a 10 NM radius from 1,200-4,000 feet. (Must get ATC authorization)
- Class D Surrounding airports with a control tower. 0-2,500 feet, no specific radius, just shaped around flight patterns. Outside control tower hours, Class D airspace is Class G. (Must get ATC authorization)
- Class E Usually it starts at 1,200 feet and goes up to 18,000 feet. Least restricted
- Class G Uncontrolled airspace (below class E airspace).
Created by: rrgreenphoto
Popular Aviation sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards