Seasonal Changes and Declination Basic of Navigation General Navigation ATPL скачать в хорошем качестве

Seasonal Changes and Declination Basic of Navigation General Navigation ATPL

Seasonal Changes and Declination is part of General Navigation ATPL syllabus under Basic of Navigation topic. Seasonal Changes and Declination affect the hours of daylight. Since flight operation during daylight and darkness are difference. A pilot needs to know whether he will arrive at his destination in daylight or darkness. Because of that, we need to learn about this subject. #SeasonalChanges #Declination #GeneralNavigation #ATPL #AnsweringATPL Support the Channel https://www.paypal.me/AnsweringATPL Subscribe to Answering ATPL http://bit.ly/AnsweringATPL Check Out My Website https://AnsweringATPL.com This Video is a part of General Navigation: Basics of Navigation (061-01) playlist. Link to the Playlist page    • General Navigation: Basics of Navigation (...   The earth orbit around the sun in near-circular orbit. The distance of the earth from the sun at perihelion is approximately 91.6 Million Statute Miles and 94.6 Million Statute Miles at Aphelion. Earth at perihelion (closest point from the sun) in January when the Northern Hemisphere experience winter season. Earth is at Aphelion (furthest point from the sun) in July, the northern hemisphere enjoys its summer season. Variation of the distance of the sun from the earth is not a factor that determines the season. The real reason for seasonal changes of the earth is due to the tilt of the earth. Plane of Ecliptic - The plane on which the earth orbits around the sun. Equinoctial - The great circle on the celestial sphere midway between the celestial poles projected into space. Declination - The angle measured northwards or southwards from the equinoctial to a line joining the centre of the earth to a body in space. Solstice – Standing Sun. Equinox – Equal Night. This video is brought to you by Answering ATPL ~ Making ATPL Easier