Figure 6-1 -- Controlled airspace classifications.
Airspace Limits, Rules, and Restrictions
Table 6-1 outlines some of the limits, rules, and restrictions associated with each class
Airspace
Configuration
Height Limits
VFR Weather
Class
Minimums
Flight
Distance
Visibility
from
Clouds
A
NA
18,000 ft MSL up to and
NA
NA
including FL600--
positive control of aircraft
and IFR apply
B
Individually tailored
Surface to 10,000 ft MSL
3 statute mi
Clear of
consisting of a
surrounding the busiest
clouds
surface area and two U.S. airports
or more additional
areas and is designed
to contain all
published instrument
approaches once
aircraft enters the
airspace
6-3