8- 9. Each person operating an aircraft under IFR in level cruising flight in controlled
airspace shall maintain the altitude or flight level assigned to that aircraft by ATC.
However, if the ATC clearance assigns VFR conditions on-top, that person shall
maintain an altitude or flight level as prescribed by __________.
A.
CFR 91.127
B.
CFR 91.126
C.
CFR 91.159
D.
CFR 91.185
8-10. Which of the following CFRs governs national security in controlling air traffic?
A.
Part 65
B.
Part 77
C.
Part 95
D.
Part 99
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