https://generalaviationnews.com/2018/09/03/the-complete-private-pilot-syllabus-updated/?utm_source=ActiveCampaign&utm_medium=email&utm_content=%5BThe+Pulse+of+Aviation%5D+What+s+the+serial+number+on+this+deHavilland+Dove+s+engine%3F&utm_campaign=TPOA-20180904