Giving savings in fuel costs and increasing range. Savings on airport noise quotas or fines. Noise footprint by 6.5% and NOx emissions by 5%. This canĮxtend engine life and reduce maintenance costs. Take a 3% derate over the non-winglet equivalent aircraft. A winglet equipped aircraft can typically This will enable a higher RTOW fromĬlimb limited airports (hot, high or noise abatement) or obstacle Winglets have the potential to give the following benefits: Winglet equipped Classics are known as Special Winglet equipped 737-300 flew in Nov 2002 and gained its FAA supplemental type certificate (STC) Winglets are also available for Classics. They are split-tipped, straight-edged winglets for the 737 MAX. The "Advanced Technology" winglet combines rake tip technology with a dual feather winglet concept into one advanced treatment for the wings of the 737 MAX.". Most 737NGs now have winglets and all MAX's will be built with winglets.īoeing has now developed, built* and are installing their own winglets for the 737 MAX family. The winglet for the Classic is slightly shorter at 7ft tall. They are 8ft 2in tall and about 4 feet wide at the base, narrowing to approximately two feet at the tip and add almost 5 feet to the total wingspan. They are also available as a retrofit from APB. They are now available as a standard production line option for all NGs with the exception of the -600 series. They were first flown on a 737-800 in June 1998 as a testbed for use on the BBJ. ![]() They have been credited to Dr Louis Gratzer formerly Chief of Aerodynamics at Boeing and now with Aviation Partners Boeing (APB) but the original winglet design was by NASA Langley aeronautical engineer Richard Whitcomb during the 1973 oil crisis. ![]() These are wing tip extensions which reduce lift induced drag and provide some extra lift. The most noticeable feature to appear on 737s since 2000 are winglets.
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