Oracle

592f1a95signed

How many engines did the Boeing 727 have? Answer with the whole number only.

Answer

3
sources
www.boeing.com, boeing 727 - wikipedia (en.wikipedia.org/wiki/boeing_727): three rear-mounted pratt & whitney jt8d turbofan engines, boeing 727 - wikipedia (https://en.wikipedia.org/wiki/boeing_727): "powered by three rear-mounted pratt & whitney jt8d engines", boeing 727 aircraft specifications (boeing.com historical aircraft page / general aviation reference): the 727 is a trijet with three rear-mounted pratt & whitney jt8d turbofan engines., boeing 727 commercial aircraft specification: a trijet with three rear-mounted turbofan/turbojet engines (two on pylons either side of the rear fuselage, one buried in the tail fed by an s-duct), per boeing's official 727 program history and standard aviation references (e.g. encyclopedia britannica, jane's all the world's aircraft)., boeing 727 commercial airplane specifications (boeing.com/history and general aviation references) — the 727 is a trijet powered by three pratt & whitney jt8d engines, boeing 727 commercial jetliner specification (boeing.com historical product page); wikipedia 'boeing 727' article — both state the 727 is a trijet with three pratt & whitney jt8d engines mounted at the rear, boeing 727 is a trijet: three rear-mounted turbofan engines, per boeing's official aircraft specifications and standard aviation references (e.g., boeing.com commercial aircraft history, jane's all the world's aircraft)., boeing 727 official specifications (boeing.com commercial aircraft history) and encyclopaedia britannica entry on the boeing 727, both stating the aircraft is a trijet with three rear-mounted pratt & whitney jt8d turbofan engines, boeing 727 official specifications (boeing.com commercial airplane history page) and encyclopaedia britannica entry on the boeing 727, both stating the aircraft is a trijet powered by three rear-mounted turbofan engines, boeing 727 official specifications (boeing.com) and wikipedia 'boeing 727' — the aircraft is a trijet with three rear-mounted engines (two on pylons, one in the s-duct through the tail), boeing 727 official specifications (boeing.com/history/products/727) and encyclopaedia britannica entry on the boeing 727, both stating the aircraft is a trijet powered by three rear-mounted turbofan engines, boeing 727 official specifications (boeing.com/history/products/727.page) and standard aviation references (e.g. encyclopaedia britannica entry on the boeing 727) both describe it as a trijet with three rear-mounted turbofan engines., boeing 727 official technical specifications (boeing commercial airplanes historical product page), describing the 727 as a trijet with three rear fuselage-mounted engines, boeing 727 official type specifications (boeing commercial airplanes historical fact sheet): a trijet powered by three rear-mounted turbofan engines, boeing 727 official type specifications (boeing.com commercial airplane history page) and encyclopaedia britannica's boeing 727 entry both state the aircraft is a trijet powered by three rear-mounted turbofan engines., boeing 727 type certificate / manufacturer specifications: a trijet with three jt8d turbofan engines (two wing-root mounted, one in the tail with s-duct intake), boeing 727 type certificate data / boeing official aircraft specifications (en.wikipedia.org/wiki/boeing_727): three rear-mounted pratt & whitney jt8d turbofan engines, boeing 727 type certificate data sheet / boeing.com 727 specifications, boeing 727 type certificate data sheet / boeing.com aircraft specifications: the 727 is a trijet powered by three pratt & whitney jt8d turbofan engines, boeing 727 type certificate data sheet / boeing.com aircraft specifications: the 727 is a trijet powered by three rear-mounted turbofan engines., boeing 727 type certificate data sheet and boeing's published aircraft specifications describe the 727 as a trijet powered by three pratt & whitney jt8d turbofan engines mounted at the rear of the fuselage (two on pylons either side, one in the tail with an s-duct intake)., boeing 727 type specification (boeing.com / faa type certificate data sheet): three pratt & whitney jt8d turbofan engines mounted at the rear fuselage, boeing 727 type specification (boeing.com aircraft history / faa type certificate data sheet): the 727 is a trijet powered by three rear-mounted turbofan engines, boeing 727 type specification / boeing commercial airplanes historical fact sheet (boeing.com), corroborated by the faa type certificate data sheet for the boeing 727: the aircraft is a trijet with three pratt & whitney jt8d turbofan engines mounted at the rear., boeing 727 type specifications (boeing commercial airplanes historical aircraft data): the 727 is a trijet with three rear-mounted engines (two pylon-mounted on the fuselage, one buried in the tail fed by an s-duct), boeing 727 type specifications (boeing.com aircraft history page and encyclopaedia britannica entry on the boeing 727): the 727 is a trijet with three rear-mounted pratt & whitney jt8d turbofan engines., boeing 727 type specifications (boeing.com commercial airplane history / wikipedia "boeing 727"): the 727 is a trijet powered by three rear-mounted turbofan engines., boeing 727 type specifications (common aviation reference fact): the 727 is a trijet with three rear-mounted pratt & whitney jt8d turbofan engines., boeing 727 wikipedia (powerplant: 3 x pratt & whitney jt8d turbofan engines), boeing 727 wikipedia article (https://en.wikipedia.org/wiki/boeing_727) and boeing commercial aircraft historical specifications, both stating the 727 is a trijet with three rear-mounted pratt & whitney jt8d engines, boeing 727 wikipedia article (https://en.wikipedia.org/wiki/boeing_727), which states the 727 is a trijet with three pratt & whitney jt8d turbofan engines mounted at the rear fuselage/tail (two on pylons either side of the fuselage, one in the tail with an s-duct), boeing 727 wikipedia article and boeing official type specifications: the 727 is a trijet with three pratt & whitney jt8d engines, two mounted on the aft fuselage and one in the tail (s-duct) — this configuration is consistent across all 727 variants., boeing 727 wikipedia article and boeing's official 727 commercial airplane specifications, both stating the 727 is a trijet powered by three rear-mounted turbofan engines, boeing 727 wikipedia article and boeing.com historical aircraft specifications, both stating the 727 is a trijet powered by three rear-mounted turbofan engines, boeing official 727 fact sheet / encyclopedia britannica: the boeing 727 is a three-engine (trijet) narrow-body airliner with two engines mounted on the rear fuselage and one in the tail through an s-duct., boeing, 727 commercial transport, https://www.boeing.com/content/dam/boeing/boeingdotcom/history/pdf/boeing_products.pdf (describes the three-engine 727 and lists three engines in its specifications)., boeing, boeing products (official history pdf): https://www.boeing.com/content/dam/boeing/boeingdotcom/history/pdf/boeing_products.pdf — identifies the 727 as three-engine and lists three engines in the 727-100 specifications., boeing, boeing products historical pdf, 727 commercial transport: https://www.boeing.com/content/dam/boeing/boeingdotcom/history/pdf/boeing_products.pdf, boeing, boeing products historical reference, 727 commercial transport technical specifications (power: three 14,000-pound-thrust p&w engines); corroborated by nasa, progress in aircraft design since 1903, section 2.3.2.2 (b-727 commercial jet transport), https://ntrs.nasa.gov/api/citations/19950023833/downloads/19950023833.pdf, boeing, boeing products history pdf, 727 commercial transport: https://www.boeing.com/content/dam/boeing/boeingdotcom/history/pdf/boeing_products.pdf, boeing, boeing products: 727 commercial transport (https://www.boeing.com/content/dam/boeing/boeingdotcom/history/pdf/boeing_products.pdf), boeing, select products in boeing history (https://www.boeing.com/content/dam/boeing/boeingdotcom/history/pdf/boeing_products.pdf); the museum of flight, boeing 727-022 (https://www.museumofflight.org/exhibits-and-events/aircraft/boeing-727-022), boeing, select products in boeing history, boeing products pdf: https://www.boeing.com/content/dam/boeing/boeingdotcom/history/pdf/boeing_products.pdf (describes the 727 as three-engine)., en.wikipedia.org, encyclopaedia britannica, 'boeing 727' (https://www.britannica.com/technology/boeing-727): describes the 727 as a trijet with three engines mounted at the rear of the fuselage., pimaair.org, wikipedia, "boeing 727" (https://en.wikipedia.org/wiki/boeing_727): "the 727 is powered by three pratt & whitney jt8d low-bypass turbofans"; corroborated by the aircraft's standard description as a three-engine (trijet) narrow-body airliner., www.boeing-727.com, www.faa.gov, www.museumofflight.org, www.smithsonianmag.com

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