Radlett, near London; April 1951; with a deafening roar, a great shining silver aeroplane hurtles down the runway outside the De Havilland Company's huge hanger. What is the purpose of this paragraph?

The purpose of this paragraph is to set the scene and describe the action of a silver aeroplane taking off from a runway at the De Havilland Company's hanger in Radlett, near London in April 1951. It creates a sense of excitement and anticipation for the reader.