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Class B airspace?
A.180 knots.
B.200 knots.
C.230 knots.
B
56. What is the maximum holding speed for a civil turbojet holding
at a civil airport at 15,000 feet MSL, unless a higher speed is
required due to turbulence or icing and ATC is notified?
A.265 knots.
B.250 knots.
C.230knots.
A
57. At what maximum indicated airspeed may a
reciprocating-engine-powered airplane be operated within Class D
airspace?
A．156 knots.
B．180 knots.
C．200knots.
C
58.What is the maximum indicated airspeed a turbine-powered
aircraft may be operated below 10,000 feet MSL?
A.288 knots.
B.250knots.
C.230knots.
B

　
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