two planes flying in the air
two planes in sky
planes are close together
two plans flying formation
plans have blue stripes on their wings 
two plans with propellers
planes are white and blue 
planes have white stars on wings
planes are flying extremely close together 
one plane is flying on top of the other 
two white, black and blue airplanes flying in the sky
airplanes flying under the clear blue sky in an airshow
a small plane flying through a clear blue sky