Navigation lights Aircraft
Any aircraft equipped with airborne air navigation and parking lights, flashing (pulse) lights. This equipment helps to prevent the collision of aircraft, especially near airports, by a bright flashing light flashes. Sidelights airplane determined in accordance with the requirements of international rules and regulations.
The functions of the external aircraft lighting equipment:
lighting steering tracks and runways;
lighting and air inlets of the front edges of the wing;
the emblem on the tail lights;
providing an aircraft light designations in air;
light signals over long distances to prevent a collision.
On passenger aircraft pulsed lights try to place so that there was a strong reflection of light flashes on the wings, which is the story of a fire at the passengers.
To illuminate the runway during landing and take-off the front of the fuselage two retractable headlights fitted covering the rotation from the runway.
For coverage of air inlets and front edges of the wings meet the two lights located on the fuselage. Highlighting the logo at the expense of the two headlights on the stabilizer.
White tail navigation lights are placed on the rear edges of the left and right planes. Navigation lights are working in flight in the standard mode, the left and right consoles. On the ground, the landing gear position lights automatically switch to a lower power light.
The position of the aircraft airfield lights work as parking.
The lower and upper parts of the fuselage are arranged light beacons, which are level adjustable intensity and colorless filters.
The layout of the lights on airplanes
On the front edge of the right wing tip console - green; on the front left edge of the ending - green; white - rear extreme point of the rudder. They work in continuous mode.
Located on the left wing, ending at the bottom, color - white. They work in the following way: 50 ms lit, 500 ms does not burn.
Located on top of the keel. Mode of operation: 70 ms lit, 300 ms does not burn.
Located on the nose of the fuselage, highlighting the lower space in the front of the aircraft is similar to the neighbor car light, a narrow white.
Located in an area one-third the wing span of consoles. The power and range of light beam similar to a car. Aimed at a single point in white lights.
They are used to determine the position of the aircraft in space. The lights located on the wing tips: left - red, right - green, rear - white.
Rotating beacons and strobe lights to help visually identify the aircraft type in the location and color of the lights. For example, in Tu-134 glimpses red are centered about the fuselage at the top and bottom on the Tu-154 - at the rear of the fuselage and tail fin. The Yak-40 flashing beacons are red and the back on the keel on the underside of the fuselage.
By the number and arrangement of the landing lights have specific requirements. They can be installed in the nose cone, or produced on the front of the rack chassis.
Lamp power "Gleam" for most aircraft is 1000 watts. The principle of operation is similar to the flash unit. Location is different in different versions of aircraft.
Thus, the strict requirements of international regulatory organizations are set only for the on-board navigation lights, landing lights are allowed to set at the discretion of the aircraft manufacturer.
Requirements for on-board air navigation lights of an aircraft
Lights to prevent collision of aircraft in the air, must be white or red.
The front navigation lights
Color front navigation lights - red or green. Arranged in front of the aircraft parallel to each other so that the plane occupied normal flight position. Green light - the indicator on the right side of the aircraft, the red - the first left.
The caudal (rear) Air Navigation fire
It is white in color and is mounted on the extreme end of the wing or on the back of the ending of the tail.
For amphibians and seaplanes parking lights must:
- provide visibility range of white color at least 2 mile in the dark;
- create a circular glow of the fire, when the aircraft is drifting on the water or moored in the bay.
Permission is granted to use outboard exterior lights.
Lighting system for preventing a collision
For night operation of the aircraft certification requires the installation of lighting system for preventing collisions with other aircraft, which should:
- Consisting of an approved type of lights arranged in a pattern that the emitted light does not affect the work of the crew and did not reduce their visibility.
- Comply with international standards.
The system should work a sufficient number of lights to cover the most important areas around the aircraft, given its performance and configuration. The vertical angle of the action of lights should be between 75 ° relative to the horizontal plane of the aircraft. Allowed shading lights design elements at an angle of up to 0,5 sr.
The rotation speed, the width of the light beam, the number of light sources and other characteristics of the system are required to provide a flash rate at a level of up to 40 100 flashes per minute. In areas of overlap of the light source is allowed to exceed the frequency of flashes 180 flashes per minute.
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