It is hoping to achieve a 1.5% reduction in fuel burn on the 737-700.īy 2019, the NG family had accumulated over 200 million flight hours. Some of these improvements have also been made available for retrofit to earlier NGs.Ī similar third party retrofit to the PIP is the Aerodynamic Drag Reduction System (ADRS-1) which got its STC in June 2022.
The PIP was introduced as standard into production 737 NGs in stages from line number 3570 in March 2011 to line number 4302 in December 2012. The 737 NG Performance Improvement Package (PIP) was a series of aerodynamic and engine improvements including refined wing control surfaces, redesigned wheel-well fairing, a streamlined anti-collision light, ECS inlet/exhaust modulation and the new CFM56-7BE "Evolution" engine (see powerplant). One of the main production differences with the NG is the single movingĪssembly line, this has the capacity to produce 21 aircraft a month with a flow The NG's have 33% fewer parts than the Classics which reduces Systems: Most systems developed particularly: electrics, powerplant & navigation.Flightdeck: 6 programmable LCD's, replacing EFIS CRT displays and most conventional.Main Gear: Longer to reduce tailstrike risk, one piece titanium gear beam, 43.5" tyres,.Nose Gear: Stroke increased 3.5" to relieve higher dynamic.Krueger flaps, additional slat, additional spoiler. Span increase, new double slotted continuous span flaps, new leading edge Flight Controls: Increased elevator PCU capability, aileron and tab.Tail: 4ft 8in taller, 60 sq ft root insert, modified rudder, segmented rudder.Much larger giving total fuel capacity of 20,800kg. Fuel Tanks: Main tanks smaller at 3900kg each but centre tank.Semi-span increase, 17" chord increase, raked wing-tip, larger inspar Wings: New airfoil section, 25% increase in area, 107".Fuselage: Strengthened for increased tail loads and design weights,.Treatment, 7% more fuel efficient than CFM56-3. Struts, improved nacelles with increased airflow and improved noise Engines: FADEC controlled CFM56-7, 2.5deg nozzle tilt, redesigned.Take-off & approach speeds, Higher MTOW, lower fuel burn. Performance: Faster cruise M0.78, Higher ceiling 41,000ft, Lower.The main differences of the 737 Next Generation
This became the 737-700, 22cm (9in) longer than the On 29 June 1993, with a 63 aircraft order from SouthwestĪirlines for the 737-300X.
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