The pilot has just started on glide path for landing at the airport with runway of length 900 feet. Angles of depression from plane to ends of runway are 17.5 degrees and 18.8 degrees.
i) Sketch the diagram which visually represents condition
ii) Determine air distance the plane should travel until touching down on near end of runway.
iii) Compute ground distance plane should travel until touching down.
iv) Determine altitude of plane when pilot starts descent.