Answer: helicopter

AnswerCrossword Clue
HELICOPTER

One of 63 Across's plans

HELICOPTER

Chopper in the sky

HELICOPTER

Sikorsky's brainchild

HELICOPTER
VIP's transport
HELICOPTER
Police-department hoverer
HELICOPTERVehicle that hovers in air
HELICOPTERAirship.
HELICOPTERFeature of Mt. McKinley rescue.
HELICOPTERSomething seen on a pad
HELICOPTERIgor Ivan Sikorsky's 1939 good idea