Region, western central Jamaica. Covering some 500 sq mi (1,300 sq km), the area has typical karst topography, with conical hills rising above sinkholes with sharp, precipitous sides (called “cockpits”). This inhospitable terrain provided refuge for runaway slaves, who became guerrilla fighters when the English conquered Jamaica in 1665. Their descendants today number about 5,000 and still maintain some independence: all land belongs to the community, they pay no taxes, and the central government may interfere only in case of a capital crime.
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A cockpit is the area, usually near the front of an aircraft, from which a pilot controls the aircraft. The cockpit is at times also wrongly referred to as the flight deck although that term refers to the flight deck on an aircraft carrier. Most modern cockpits are enclosed, except on some small aircraft, and cockpits on large airliners are also physically separated from the cabin.
Cockpit as a term for the pilot's compartment in an aircraft first appeared in 1914. From about 1935 cockpit also came to be used informally to refer to the driver's seat of a car, especially a high performance one, and this is official terminology in Formula One. The term is most likely related to the sailing term for the coxswain's station in a Royal Navy ship, and later the location of the ship's rudder controls.
Click on the image for a description of the instrumentation.
The cockpit of an aircraft contains flight instruments, called an instrument panel, and the controls which enable the pilot to fly the aircraft. In most large airliners, a door separates the cockpit from the passenger compartment. After the September 11, 2001 terrorist attacks, all major airlines fortified the cockpit against unauthorized access by hijackers.
On an airliner, the cockpit is usually referred to as the flight deck. This term derives from its use by the RAF for the separate, upper platform where the pilot and co-pilot sat in large flying boats.
The first airplane with an enclosed cabin appeared in 1913 on Igor Sikorsky's airplane The Grand. However, during the 1920s there were many passenger aircraft in which the crew were open to the air while the passengers sat in a cabin. Military biplanes and the first single-engined fighters and attack aircraft also had open cockpits into the Second World War. Early airplanes with closed cockpits were the 1924 Fokker tri-motor, the 1926 Ford Tri-Motor, the 1927 Lockheed Vega, the Spirit of St. Louis, the 1931 Taylor Cub, German Junkers used as military transports, and the passenger aircraft manufactured by the Douglas and Boeing companies during the mid-1930s. Open-cockpit airplanes were almost extinct by the mid-1950s, with the exception of training planes and crop-dusters.
Cockpit windows may be equipped with a sun shield. Most cockpits have windows which can be opened when the aircraft is on the ground. Nearly all glass windows in large aircraft have a Anti-reflective coating, and an internal heating element to melt ice. Smaller aircraft may be equipped with a transparent aircraft canopy.
In most cockpits the pilot's control column or joystick is located centrally (centre stick), although in some military fast jets and in some commercial airliners the pilot uses a side-stick (usually located on the outboard side and/or at the left). The layout of the cockpit, especially in the military fast jet, has undergone standardisation, both within and between aircraft different manufacturers and even different nations. One of the most important developments was the “Basic Six” pattern, later the “Basic T”, developed from 1937 onwards by the Royal Air Force, designed to optimise pilot instrument scanning.
Erogonomics and human factors concerns are important in the design of modern cockpits. The layout and function of cockpit displays controls are designed to increase pilot situation awareness without causing information overload. In the past, many cockpits, especially in fighter aircraft, limited the size of the pilots that could fit into them. Now, cockpits are being designed to accommodate from the 1st percentile female physical size and the 99th percentile male size.
In the design of the cockpit in a military fast jet, the traditional “knobs and dials“ associated with the cockpit are long gone. Instrument panels are now almost wholly replaced by electronic displays which are themselves often re-configurable to save space. While some hard-wired dedicated switches must still be used for reasons of integrity and safety, many traditional controls are replaced by multi-function re-configurable controls or so-called “soft keys”, Many controls are incorporated onto the stick and throttle to enable the pilot to maintain a head-up and eyes-out position – the so-called Hands On Throttle And Stick or HOTAS concept,. These controls may be then further augmented by new control media such as head pointing with a Helmet Mounted Sighting System or Direct Voice Input (DVI). New advances in auditory displays even allow for Direct Voice Output of aircraft status information and for the spatial localisation of warning sounds for improved monitoring of aircraft systems. A central concept in the design of the cockpit is the Design Eye Position or "DEP".
The layout of control panels in all modern airliners has become quite unified across the industry. The majority of the systems-related controls (such as electrical, fuel, hydraulics and pressurization) for example, are usually located in the ceiling on an overhead panel. Radios are generally placed on a panel between the pilot's seats known as the pedestal. Automatic flight controls such as the autopilot are usually placed just below the windscreen and above the main instrument panel on the glareshield.
Aircraft designs have adopted the fully digital “glass cockpit.” In such designs, instruments and gauges, including navigational map displays, are constructed using a standard user interface markup language known as ARINC 661. This standard defines the interface between an independent cockpit display system, generally produced by a single manufacturer, and the user applications which need to be supported by it, by means of displays and controls, often made by different manufacturers. The separation between the overall display system, and the various applications driving it, allows for considerable specialization and independence.