17th parallel north 17th parallel north The 17th parallel north is a circle of latitude that is 17 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Indian Ocean, the Pacific Ocean, Central America, the Caribbean and the Atlantic Ocean. The parallel is particularly significant in the history of Vietnam (see below). At this latitude the sun is visible for 13 hours, 9 minutes during the summer solstice and 11 hours, 7 minutes during the winter solstice. Starting at the Prime Meridian and heading eastwards, the parallel 17° north passes through: The Seventeenth parallel () was the provisional military demarcation
17th Aero Squadron the squadron was ordered to Toronto, Ontario, Canada for training under the British Royal Flying Corps (RFC). The previous month, a reciprocal agreement was made between the British and American governments under which the British would organize and train at the RFC's camps near Toronto the pilots and mechanics of ten Aero squadrons for overseas service. The 17th Aero Squadron was the first group to arrive under that agreement. The squadron arrived on 4 August at the recruit's depot at Leaside, Ontario. Here the men underwent three week's British drill and discipline. Then, the squadron was divided into detachments and