Step #1
Draw shapes as shown.
Step #2
Draw four circles & outline for tail.
Step #3
Draw the front portion.
Step #4
Draw two parallel lines.
Step #5
Draw fans.
Step #6
Enhance drawing as shown.
Step #7
Draw two more fans.
Step #8
Draw tyres.
Step #9
Draw door, tail & other shapes.
Step #10
Make necessary improvements to finish the drawing.