At what maximum indicated airspeed can a reciprocating-engine airplane operate in the airspace underlying Class B airspace?
A.180 knots.
B.200 knots.
C.230 knots.
正确答案是B
At what maximum indicated airspeed can a reciprocating-engine airplane operate in the airspace underlying Class B airspace?
A.180 knots.
B.200 knots.
C.230 knots.
正确答案是B