Leading edge The leading edge of an airfoil surface such as a wing is its foremost edge and is therefore the part which first meets the oncoming air.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 305. Aviation Supplies & Academics, ...

is the part of an aerofoil or wing which leads in movement through the air. Leading edge may also refer to:

Aviation

Leading edge cuff A leading-edge cuff is a fixed aerodynamic wing device employed on fixed-wing aircraft to improve the stall and spin characteristics. Cuffs may be either factory-designed or an after-market add-on modification.Crane, Dale: ''Dictionary of Aer ...

, a fixed aerodynamic device employed on fixed-wing aircraft to modify the airfoil *

Leading-edge extension A leading-edge extension (LEX) is a small extension to an aircraft wing surface, forward of the leading edge. The primary reason for adding an extension is to improve the airflow at high angles of attack and low airspeeds, to improve handling an ...

, a small extension to an aircraft wing surface, forward of the leading edge *

Leading edge inflatable kite A leading edge inflatable kite (LEI) is a single skin kite with inflatable bladders providing structure. It is useful as a power or traction kite. These kites are flown using 2, 4 or 5 control lines and a bar. (See also: kite control systems ...

, a single skin kite with inflatable bladders providing structure *

Leading-edge slats Slats are aerodynamic surfaces on the leading edge of the wing of a fixed-wing aircraft which, when deployed, allow the wing to operate at a higher angle of attack. A higher coefficient of lift is produced as a result of angle of attack and speed, ...

, aerodynamic surfaces on the leading edge of the wings of fixed-wing aircraft *

Leading edge slot A leading-edge slot is a fixed aerodynamic feature of the wing of some aircraft to reduce the stall speed and promote good low-speed handling qualities. A leading-edge slot is a spanwise gap in each wing, allowing air to flow from below the wing ...

, aerodynamic features of the wing of some airplanes to reduce the stall speed and promote good low-speed handling qualities

Companies

Leading Edge Air Foils Leading Edge Air Foils LLC (formerly Leading Edge Air Foils, Inc.), usually called LEAF, is an American aircraft parts supplier based in Lyons, Wisconsin. It is a US limited liability company.Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sou ...

, an American aircraft parts supplier *

Leading Edge Aviation Services Leading Edge Aviation Services (now renamed International Aerospace Coatings) is an FAA-certified maintenance, repair and overhaul (MRO) company based in Costa Mesa, California. Leading Edge has painted aircraft for airlines such as United, Co ...

, an American aircraft maintenance, repair, and overhaul (MRO) company *

Leading Edge Brands Leading Edge Brands is a soft drink marketing and manufacturing company based in Temple, Texas. Leading Edge Brands (LEB) is part of the McLane Group, which is headed by Drayton McLane, Jr., (also CEO of Major League Baseball's Houston Astros). ...

, soft drink marketing and manufacturing company based in Temple, Texas *

Leading Edge Group Leading Edge Group is an Australian-owned buying group with retail shopfronts. It began in 1986 as Electronic Enterprises. In 1997, a range of buying groups was consolidated under the brand name of the Leading Edge Group, making it one of the l ...

, an Australian-owned buying group ** Leading Edge Computers, an Australian computer store, part of the above group *

Leading Edge Products Leading Edge Products, Inc., was a computer manufacturer in the 1980s and the 1990s. It was based in Canton, Massachusetts. History Leading Edge was founded in 1980 by Thomas Shane and Michael Shane. At the outset, they were a PC peripherals ...

, a computer manufacturer in the 1980s and 1990s *

Leading Edge Sports Car Company Leading Edge Sports Car Company was a British car company based in Dereham, Norfolk established in June 2002. The company was dissolved in September 2005. It outsourced the manufacture of its cars to fellow Dereham company Breckland Technologies. ...

, a British sports car company in operation from 2002 to 2005 in Norfolk, England

Publications

* ''Leading Edge'' (magazine), speculative fiction magazine published at Brigham Young University *''The Leading Edge'', a journal of the

Society of Exploration Geophysicists The Society of Exploration Geophysicists (SEG) is a learned society dedicated to promoting the science and education of exploration geophysics in particular and geophysics in general. The Society fosters the expert and ethical practice of geophys ...

Other uses

Leading Edge Model D The Leading Edge Model D is an IBM clone first released by Leading Edge Hardware in July 1985. It was initially priced at $1,495 configured with dual 5.25" floppy drives, 256 KB of RAM, and a monochrome monitor. It was manufactured by South Ko ...

, an IBM-clone computer released by Leading Edge in about 1986 *

Leading Edge Partnership The Leading Edge Partnership programme was established in 2003 by the Department for Children, Schools and Families in the United Kingdom. The programme's intention was to encourage Secondary schools in England to work in partnership to solve som ...

, programme for secondary schools in England *Leading edge, in electronics, the front edge of a digital signal, a particular

signal edge In electronics, a signal edge is a transition of a digital signal from low to high or from high to low: * A rising edge (or positive edge) is the low-to-high transition. * A falling edge (or negative edge) is the high-to-low transition. In th ...

*Leading edge, in marketing, a metaphor for

State of the art The state of the art (sometimes cutting edge or leading edge) refers to the highest level of general development, as of a device, technique, or scientific field achieved at a particular time. However, in some contexts it can also refer to a level ...

, the highest level of development, as of a device, technique, or scientific field