a plane in the air
an airplane in the air
a small airplane in the air
an old plane in the air
an old airplane in the sky
a green plane in the air
a green airplane in the air
a sky that is blue
a small airplane flying in the sky
airplane in the sky
a plane is in the air
the sky is blue in color 
the plane is primarily white in color 
Airplane flying in the air.
a blue sky
a yellow airplane flying in a blue sky