Why do Boeing aircraft numbers begin with 7? Like 707, 727, 737 747 and so on?

Answer: There is an excellent answer here, on the PPRuNe network.​ Since I coul.​.​.​ Mohit's Digest Top Stories For You Why do Boeing aircraft numbers begin with 7? Like 707, 727, 737 747 and so on. Peter Kämpf, Aeronautical engineer, private pilot. Updated Nov 3 There is an excellent answer here, on the PPRuNe network. Since I could not write it any better, I copy it here: When the Boeing numbering system for its products began some...  Read More » If Hezbollah fired all of its 100,000 missiles/rockets/mortars towards Israel, it will be destroyed. Would NATO risk a war with Iran or would they back off? Doug Sandlin, Has Studied Israel-Palestine Related Issues For Years Written Dec 23 Please Note: I am critical of many policies and actions of the Israeli government on an ongoing basis, and I do my best to communicate my criticisms using supporting facts....  Read More » Is China a developed country? Tong Zou, Born in China, raised in Canada, lived in USA and Korea Updated 16h ago No. Online you might find many Chinese brag about this: and this Then they exclaim, that there's more skyscrapers and high speed trains etc in China than America so they are d...  Read More » Are there any UFO incidents that were genuinely disturbing and frightening and can't be explained? Steve Jones, New Yorker, regular dude, cat servant Updated Jul 17 The 1976 Tehran Incident is probably the most disturbing and well-documented UFO sighting in history, as it included visual confirmation by two experienced Iranian Air Forc...  Read More » Why are Malaysian airlines required to spray the cabin? What is that spray? Why do they have to do it with the passengers still inside? Can't they do it after we've left the plane? Jeremy Wong Updated Dec 23 This happens not only with Malaysia Airlines, but with most airlines and international flights going in and out of Southeast Asia and South America. In fact, it's actually ...  Read More » What is socially acceptable in China that would be horrifying in Japan? Karl Stefan (孙天福), lived in China (2013-2017) Written Dec 25 This: Ok, let's zoom in a little bit: I took this picture in China. It was on the wall of a restaurant at my university. Notice how two people are using chopsticks to grab the...  Read More » Is visiting Egypt worth it? Lara Novakov, Serbian traveler Written Sun For me, it is if you are interested in history - seeing the pyramids (and if you are adventurous enough, go inside them), wandering around Cairo and the old parts of the ci...  Read More » How much do Air Force One pilots earn? Ron Wagner, USAF pilot in Presidential Wing at Andrews, airline pilot, aero engineer Written Jan 3, 2018 I see some non-USAF folks giving wrong answers here. I'm becoming baffled by the increasing frequency of people posting answers on Quora who state right up front that they ...  Read More » Lebanon seems a pretty westernized country. Why doesn't it get rid of Hezbollah and normalize relations with Israel? Steve Sattler, former Clinical Maxillofacial Surgeon (1974-2011) Written Dec 20 What a great question. Lebanon is a small country [only 10452 sq kms] that was split off from Syria around 1943 when the rich Arabs [landowners] , the Druze and the Christia...  Read More » How was pregnancy prevented in the old days? Susan Morrison, AB from University of California, Berkeley (1968) Written Dec 22 My parents were married in late 1939. They limited themselves to 2 children by my mother using a diaphragm. Both of their children were deliberately planned. Back in ancient...  Read More »   Read More in Your Feed Follow Quora on: Get the App for iOS and Android This email was sent by Quora (650 Castro Street #450, Mountain View, CA 94041). If you don't want to receive this type of email in the future, please unsubscribe.http://www.quora.com/

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Why do Boeing aircraft numbers begin with 7? Like 707, 727, 737 747 and so on?

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