Medium Intensity Type A aviation obstruction light aviation light for towers medium intensity light type a wind turbine obstruction lightingobstruction warning lights

Medium Intensity Type A aviation obstruction light aviation light for towers medium intensity light type a wind turbine obstruction lightingobstruction warning lights

China Medium obstacle light A,

China Medium Intensity Type A,

Medium Intensity Type A factory,

China Medium A obstruction light,

Customized Medium Intensity Type A,

Customized Medium A obstruction light.

Product Specification

The FL-L865(L) is a medium intensity Type A aviation obstruction light for towers, chimneys, buildings, wind turbines, bridges, port and construction machinery such as cranes. It plays a pivotal role in significantly reducing the risk of aviation hazards by providing a white light visible warning during the day and a white or red (optional) visible warning at night. With advanced LED, optical design, system control technology and ICAO certificate, it meets the most demanding of applications. Suitable for obstacles with a height of around 105 to 150 metres as well as coastal locations with higher salinity levels.

Features and Benefits

· Intense LED light source (white/white + red)

· Flash pattern: 20, 30, 40 (default), and 60 FPM, and steady burn

· Fresnel lens optical design

· Vibration, shock, corrosion and UV resistant. Wind resistant to ≥240km/h

· Waterproof silicone sealed fixture rated to IP65

· Day/night auto switch (can be controlled by local time or photocell)

· GPS synchronisation function (GPS-enabled models only)

· Meets ICAO (Annex 14), FAA-L865, CAAC certifications

FL-L865(L) Specifications

1 Technical Parameters

1.1 Dimensions (mm)

1.2 Technical Parameters

The following parameters are obtained under normal temperature test. (25℃)

Working power of aviation obstruction light?

The working power of aviation obstruction lights is different. As the installation height increases, obstruction lights can be divided into low-intensity aviation obstruction lights, medium-intensity aviation obstruction lights and high-intensity aviation obstruction lights. The working power is different.

The following mainly introduces the operating power of Flylight aviation obstruction light brand:

1. The main working power of high-intensity aviation obstruction lights is less than 28W;

2. The main working power of medium intensity aviation obstruction lights is 25W;

3. The main working power of low-intensity aviation obstruction lights is 5W.

Aviation obstruction lights luminous color classification

The rules of aviation obstruction lights in CAAC (Civil Administration of China)that aviation obstruction lights are still installed with height classification, and they are identified by different flashing colors.

Low intensity type A aviation obstruction lights, red constant light fixtures, installed on obstacles below 45 meters or on the ground floor of the airport clear area.

Medium intensity type A aviation obstruction light, white flashing device, installed on obstacles from 105 meters above to 150 meters below.

Medium-intensity type B aviation obstruction lights, red flashing lights, installed on obstacles above 45 meters to 105 meters below.

High intensity type A aviation obstruction light, white flashing device, installed on an obstacle of 150 meters (or above).

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3. Installation

How to install aviation lights?

How to install aviation lights in high-rise buildings_How to install obstruction lights in high-rise buildings?

High-rise buildings refer to buildings whose height exceeds the surrounding ground by 150 meters or more. They are called high-rise buildings (or super-high buildings). These buildings need to be installed with aviation obstruction lights in accordance with the regulations of the Civil Aviation Administration of China on aviation obstruction lights. .

The installed aviation obstruction lights must be installed and set up in accordance with the 2015 new aviation obstruction light specification "MH/T 6012-2015" of the Civil Aviation Administration of China.

Assuming that the building is 150 meters high, according to the 2015 new aviation obstruction light code, high-intensity aviation obstruction lights and medium-intensity aviation obstruction lights are required to be designed together to serve as an aviation warning.

1. High intensity aviation obstruction lights need to be installed on the roof of the building. The number of high intensity obstruction lights needs to be set with reference to the floor plan of the building, mainly to indicate the vertex position of the floor;

2. Set up medium intensity aviation obstruction lights at an interval of 45 meters, that is, 105 meters. Medium intensity type A aviation obstruction lights or medium-intensity B-type aviation obstruction lights can be set;

3. Set up medium intensity type B aviation obstruction lights at an equal interval of 45 meters in turn, that is, at a height of 60 meters;

Considering the situation of light pollution, three-layer aviation obstruction lights can be installed. While playing the role of aviation warning and guiding, it will not affect the normal life of the residents of the building group.

3.2 Instruction

a) Please read carefully the product specification before using the driver to make sure the operation environment can meet the requirement as per the specification.

b) While connecting the tube to the power, please make sure the switch is "off".

c) Do not disassemble the lamp by yourself.

4. Maintenance

4.1 Check light condition every 2~3 month, when malfunction is founded, report to supplier immediately;

4.2 Keep the light away from hazardous environment, install it in the designative location;

5. Standard

5.1 Medium intensity type A light, International Civil Aviation Organization, annex 14, volume 1, 7^th edition, "airport design and operation", July 2016, table 6.3.

Background knowledge:

Working environment conditions of aviation obstruction lights:

Aviation obstruction lights are one of the special civil airport navigation aids. They are mainly used to mark the visible width and height of buildings, and show the overall outline of obstacles to aviation pilots, thereby achieving the role of aviation warning.

  Aviation obstruction lights are installed at the highest point of outdoor obstacles or in the open environment of transmission line towers. Aviation obstruction lights need to be able to meet the working environment under certain conditions, such as withstanding certain high and low temperature, working humidity, salt fog environment and so on.

  "Aviation Obstruction Light Inspection Specification" (AC-137-CA-2017-05) is the latest national industry standard specification for aviation obstruction light inspection issued by the Civil Aviation Administration of China on October 30, 2017. The aviation obstruction lights produced must meet the testing standards required by the standard, and meeting the aviation obstruction light standards required by the standard is the minimum basis. Only when the testing standards are met and a full test report is issued can it be approved on the market Make sales.

  This standard makes the following requirements for the working environment conditions that aviation obstruction lights need to meet:

    1. High and low temperature: -40°C to +55°C, the most basic range that aviation obstruction lights can withstand high and low temperatures;

    2. Humidity and heat: the lamp should be able to work normally in a humid environment not greater than 95%;

    3. Wind pressure: The wind pressure that the lamp can withstand is 240KM/H, any damage or damage to any part is considered unqualified;

    4. Rain: The enclosure level of the lamp should meet the requirements of IPX5. After the rain test, it is deemed unqualified if it fails to operate normally or has water infiltrated. The protection level of Flylight's aviation obstruction lights is IP66. It is also reflected in the foundation of dustproof, and also needs to have the standard of IP55 or higher.

    5. Salt spray: The lamps shall not show any damage, rust, pitting or corrosion after the salt spray test;

    6. Solar radiation: Outdoor lamps need to receive radiation from the sun. Therefore, the non-metallic and non-glass external parts of the lamp must be subjected to the solar radiation test without chalking, fading, cracking, fogging, or the color of the thermoplastic lens of the lamp changing.

The above is the "Aviation Obstruction Light Inspection Specification" (AC-137-CA-2017-05) for the standard requirements of the aviation obstruction light working environment, which can be better than but not lower than the technical parameters required by the standard. Otherwise, the lamps are regarded as unqualified products.

FLYLIGHT's aviation obstruction lights meet the working environment required by the above standards, and some of them are better than the benchmark values required by the standards. SIA's aviation obstruction lights have obtained the notice and test report of the Civil Aviation Administration, which can meet the acceptance work of civil aviation or military aviation related departments.

Real-life applications of low-intensity aviation obstruction lights

Everyone knows that aviation obstruction lights have three intensities: high, medium and low. According to the intensity of light: the light intensity of high light intensity is between 2000 and 200,000 CD. The light intensity of medium light intensity is between 2000 and 20000 CD. The intensity of aviation obstruction lights on low-light walls is relatively small, between 10 and 32CD. How strong is the light intensity of 10CD? The light intensity of 10CD is approximately equal to 125.6lm, and 1lm is equal to the radiated electromagnetic energy of 1.46x 10^-3W at a frequency of 5540THz. In the simplest terms, people staring at the light outside the station will not feel particularly glaring when looking at it two meters away, so if it is a 30CD aviation obstruction light, generally at a distance of 10 meters, the brightness will not be particularly glaring kind of.

In terms of the brightness of low-intensity aviation obstruction lights, it is much lower than medium-light and high-intensity lights. However, low-intensity aviation obstruction lights in daily life are definitely the most common aviation obstruction lights used. There are 4 models of ABCD for low light intensity. For some large buildings, various types of aviation obstruction lights need to be mixed to show the outline of the entire building. For example, a wire tower is installed on the top of a high-voltage wire tower, and one wire tower is installed at both ends, so that the driver can know the general outline of the entire building from a distance.

When low-intensity aviation obstruction lights are above low-rise buildings, they are all red and constant. But if it is on emergency and security. At this time, it is displayed in yellow. In addition, wall-mounted box aviation turn signals are also used on objects with limited mobility on passenger boarding bridges, which use red constant light. Its light intensity needs to be contrasted with the surrounding environment to ensure eye-catching aspects and attract people's first attention.

Low-intensity aviation obstruction lights are widely used in high-rise buildings below 45 meters, such as buildings near high-rise airports, iron towers, and wire towers. Wind turbine cable-stayed bridge and so on. The ones that are used the most must go near the airport, which is also a national requirement. At night or on a rainy day near the airport, various buildings on the roof light up

In the specific application, whether it is high light intensity or medium light intensity or low light intensity, there is no mandatory regulation on which type of obstacle light to use. However, it is necessary to use these lights to clearly mark the outline of the building on rainy days. The pilot can see the outline of the building at a glance from a long distance to avoid accidents. This is the role of aviation obstruction lights. In addition, when choosing a model, please check the qualification of the manufacturer. Only aviation obstruction lights with good quality and certificates can pass the inspection of relevant departments. If you don't understand, welcome to consult.

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Medium Intensity Light Type A (MIL-A) is a type of aviation obstruction light used extensively on buildings, chimneys, high-rise structures, bridges, and other tall structures to alert approaching aircraft and prevent collisions. These lights are designed to comply with the specific guidelines set by the International Civil Aviation Organization (ICAO). This article will provide a comprehensive understanding of MIL-A lights, including their history, design principles, components, technologies, installation, and maintenance.

1. History of MIL-A Lights

The need for aviation obstruction lights arose with the increasing use of aircraft in the early 20th century. Initially, aviation lights were used as airport beacons to help pilots locate airports in low visibility conditions. However, with the rise of tall structures in cities and the construction of long bridges, the need for aviation obstruction lighting became more critical. The first medium intensity obstruction lights were introduced in the 1950s. Since then, several advancements in technology have resulted in the development of MIL-A lights, which are widely used worldwide to ensure the safety of air traffic and structures around the globe.

2. Purpose of MIL-A Lights

The primary purpose of MIL-A lights is to provide a visual cue to pilots indicating the location, height, and geographic position of a structure. They also help pilots remain aware of the structure's presence in proximity to their aircraft and minimize the risk of collisions. MIl-A lights also provide information about the structure's features, such as its height, shape, and configuration. These lights provide crucial information to air traffic control personnel, pilots, and other aviation stakeholders and ensure compliance with global aviation safety regulations.

3. Design Principles of MIL-A Lights

MIL-A lights are designed to be highly visible from a distance, in different weather conditions, from various angles, and across different time periods. The lights are constructed using materials that can withstand impacts, harsh weather, and environmental stressors. The lights are also designed to activate automatically during low visibility conditions or when there is reduced illumination. MIL-A lights are typically deployed in clusters around the structure to provide complete coverage, with each light positioned at prescribed distances. The structure's height, location, and other characteristics determine the required light specifications, including color, intensity, and flash rate.

4. Components of MIL-A Lighting System

MIL-A lights are composed of several components, including the light source, reflectors, lenses, and electrical components. The light source is typically an LED or Xenon lamp, which is designed to emit a highly visible light signal. Reflectors are designed to direct the emitted light in a specific direction to ensure that the signal is visible from the required angle. Lenses, made from transparent materials, help protect the light source and direct the light accordingly. Finally, electrical components such as controllers, transformers, and power supplies are used to regulate the light output, prevent overloading, and ensure the lights operate correctly.

5. Technologies Used in MIL-A Lights

Several technologies are used in MIL-A lights to optimize their performance, reduce maintenance requirements, and prolong their lifespan. The use of LEDs has replaced traditional incandescent lamps as the primary source of light for MIL-A lights. This is due to LEDs' low energy requirements, longer lifespan, and high reliability compared to other lamp technologies. Moreover, newer LED technologies provide higher brightness levels, allowing for increased visibility from farther distances. Other technologies include remote monitoring systems, which allow for remote access to the lighting system's performance data, autonomous switching to ensure timely activation of the lights, and systems self-checks to ensure optimal performance.

6. Installation Process

The installation of MIL-A lights requires careful planning and adherence to regulatory guidelines. Each lighting system is assessed and customized to meet the specific requirements of the structure and its surroundings. The installation process typically involves determining the height, location, and orientation of the lighting system, taking into account visibility from different angles and distances. The installation requires specialized equipment, including cranes, scaffolding, and safety gear. Proper installation ensures optimal performance and reduces future maintenance needs.

7. Maintenance of MIL-A Lighting System

Maintenance of MIL-A lighting systems is essential to ensure their continued functionality and compliance with aviation safety regulations. Routine maintenance includes inspections, cleaning, and replacement of defective or damaged components. In addition, the lighting system requires a more in-depth inspection at least once per year or as prescribed by regulatory guidelines. This includes checking the electrical components, testing the luminosity and intensity of the light, and replacing any damaged components.

Conclusion

MIL-A lights play a vital role in ensuring the safety of air traffic and tall structures worldwide. Their importance has been underscored by the Ministry of Transportation, which has mandated their use in most tall structures. To ensure their continued optimal performance, it is essential to understand their components, design principles, and maintenance requirements. MIl-A lights provide a cost-effective and reliable solution for structures prone to obstruction, reduced visibility, and other threats to aviation safety. Their consistent use and maintenance will contribute to aviation safety and help prevent collisions, making air travel even safer and more reliable for passengers and air traffic stakeholders.

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