Clearance limit is defined as:
a. The flight level to which an aircraft is granted ATC clearance
b. The time at which the ATC clearance expires
c. The point to which aircraft is granted ATC clearance
d. The height below which you will hit the first obstacle
a. The flight level to which an aircraft is granted ATC clearance
b. The time at which the ATC clearance expires
c. The point to which aircraft is granted ATC clearance
d. The height below which you will hit the first obstacle