High-Visibility Primary Wind Cone with LED Obstruction Light for Runways, Heliports, and Vertiports
ADB Safegate

High-Visibility Primary Wind Cone with LED Obstruction Light for Runways, Heliports, and Vertiports

The L-807 LED wind cone is a high-performance visual guidance device designed for use at airports, heliports, and vertiports to provide pilots—whether airborne or taxiing on the ground—with accurate surface wind direction and velocity information. Operating entirely based on the natural force of the wind, the system reacts to winds as low as three knots (5.6 km/h or 3.5 mph), with the windsock inflating to indicate the true direction of airflow. At wind speeds of 15 knots (28.7 km/h or 17.8 mph), the windsock fully extends. The L-807 wind cone is available in both lighted and unlighted versions and can be equipped with either an 8-foot (FAA Size 1) or 12-foot (FAA Size 2) windsock, depending on the installation and regulatory requirements. The system is compliant with FAA AC 150/5345-27F and ICAO Annex 14, Volume 1, paragraph 5.1.1 (Size 2), and is ETL certified.

Constructed with a non-frangible mast design, the L-807 features a durable, rigid support structure capable of withstanding ambient temperatures between -67°F (-55°C) and 131°F (55°C), as well as wind loads up to 75 knots (140 km/h or 86 mph). It includes a welded aluminum basket with pre-assembled sealed bearings that allow for smooth, precise vaning in all weather conditions. The bearings are protected by dedicated covers to prevent contamination from dirt and moisture, ensuring accurate and reliable operation over time. A center hinge in the mast enables it to be safely and easily lowered for lamp maintenance or sock replacement using an integrated, user-friendly winch system.

The windsock itself is fabricated from durable nylon fabric that is water-repellent and resistant to mildew and rot. It is treated for colorfastness exceeding Method 5671 of Federal Standard 191 and comes in a high-visibility orange color. For illuminated models, the wind cone may be configured with either internal or external LED lighting. The lighting system is engineered to minimize energy consumption and maintenance costs, offering a typical service life between 50,000 and 100,000 hours. Internal lighting must deliver an average brightness of 10 to 30 foot-lamberts across the top and lateral surfaces of the fully extended windsock, while external lighting must provide a minimum of 2-foot candles at any point on the sock's upper surface. Orange LEDs are used specifically to preserve the sock's color during night-time operation. Additionally, each L-807 includes an FAA-compliant L-810 LED steady-burning red obstruction light to ensure visibility in low-light or poor weather conditions and meet safety standards.

The L-807 system supports two main power configurations. It can be powered via a 6.6A or 20A series circuit, which is commonly used on airfield lighting infrastructure, or through a direct voltage source ranging from 108VAC to 132VAC—or optionally 207VAC to 253VAC—operating at either 50 or 60 Hz. A solar-powered version is also available for installations where access to conventional power infrastructure is limited or cost-prohibitive, helping to eliminate the need for long underground wire and conduit runs.

Installation of the L-807 includes furnishing and installing the wind cone on a concrete footing appropriate for local soil conditions, as specified in engineering plans. All required wire and cable connections, conduits, fittings, and mounting structures must be provided. Each system must be properly earth-grounded in accordance with local or national regulatory codes. The scope also includes the complete setup, functional testing, and final commissioning of the unit to the satisfaction of the overseeing engineer.

Prior to final acceptance, each L-807 must undergo a full 24-hour operational test as a complete system. This includes either operating the constant current regulator or turning the power source on and off no fewer than 10 times at the beginning and end of the test. Throughout the duration, the lighting system must function properly and demonstrate consistent performance. This testing ensures all components—LED lamps, bearings, support structures, and power systems—are operating correctly and reliably under continuous use.

Each L-807 unit delivered and installed must include a corresponding instruction manual, and payment will be made based on the total quantity of fully installed, tested, and accepted wind cones. Optional upgrades such as a marine-treated finish are available for installations within 100 miles of saltwater environments, extending product lifespan in corrosive coastal conditions. NVG (night vision goggle) visibility is also supported, making the L-807 suitable for both civilian and military applications. These features make the L-807 LED wind cone a dependable, long-life solution for primary wind indication needs in all types of aviation facilities.

https://adbsafegate.com/products/airfield/wind-indicators/wind-cones-primary-led-l-807-l/
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