Frequently Asked Questions - Halibrite | Innovative Airfield Lighting Ideas (2024)

FAQs

Which airport beacon light would tell a pilot that the airport is a military land based airport? ›

Military airport beacons flash alternately white and green, but are differentiated from civil beacons by dualpeaked (two quick) white flashes between the green flashes.

Airport beacons (also known as “airport rotating beacons” or “aerodrome beacons”) are like lighthouses for pilots. Their primary purpose is to flash bright lights and mark the location of an airport at night or in low visibility.

A beacon emitting two quick white flashes alternating with a green flash is for a military airport.

What does an airport's rotating beacon operated during daylight hours indicate? When an airport located in Class D airspace is running its beacon during daylight hours it indicates that the weather is less than VFR minimums (Less than 3 SM or the ceiling is less than 1,000 feet.).

When viewed from the landing threshold, the runway centerline lights are white until the last 3,000 feet of the runway. The white lights begin to alternate with red for the next 2,000 feet, and for the last 1,000 feet of the runway, all centerline lights are red.

Runway End Identification Light

Frequently named as Runway Threshold Identification Light (or RTIL), this is a white flashing light, unidirectional, that identifies beginning of a runway. Unlike approach lights, there only two RTIL lights installed per one side of a runway.

Anti-collision lights, also known as Beacon lights or Strobe lights are a set of lights required on every aircraft to improve visibility to others, as well as collision avoidance measures by warning other pilots. Historically they have used incandescent bulbs, but recently Light-emitting diodes have been used.

Obstruction lights or aircraft warning lights are used to enhance the visibility of high-rise buildings, towers, wind turbines, telecom installations and bridges making them visible to low flying aircraft.

In addition to the red, green, and white position lights (red to port, green to starboard, and white astern), regulations require one anticollision light for aircraft flying at night. This can be either white or red, and may be either a mechanically rotating beacon or a flashing strobe.

Green flash occurs because the atmosphere causes the light from the Sun to separate, or refract, into different frequencies. Green flashes are enhanced by mirages, which increase refraction.

What does it mean when the light flashes green? ›

A flashing green light on a traffic signal means the signal is pedestrian activated. So, when you approach a flashing green light, use caution, because the signal could be activated by a pedestrian at any time and you might have to stop and let the pedestrian to cross.

Does the number of times you're flashed mean anything? Headlights being flashed twice is generally interpreted to mean 'go' and is a gesture often used by drivers giving way to other road users.

The airport manager/operator is responsible for operating airport lights during the hours the tower is closed.

UNICOM is a nongovernment air/ground radio communication station which may provide airport information at public use airports where there is no tower or FSS. On pilot request, UNICOM stations may provide pilots with weather information, wind direction, the recommended runway, or other necessary information.

The PIC must decline a LAHSO clearance if he or she believes it would compromise safety. To accept a LAHSO clearance, you need to be familiar with all information concerning LAHSO at that particular airport (e.g., published ALD, runway slope). Some airports also have markings, signs, and lighting associated with LAHSO.

The light flashes of a military airport beacon distinguish it from civilian airport beacons. The flash sequence for military airport beacons alternates two white flashes between green light flashes at a frequency of 16-20 times per minute.

RED means stop. AMBER. AMBER lights are used to convey a similar but less distinct message. They indicate that a potential hazard exists beyond the lights, but that in conjunction with an appropriate ATC clearance it will be safe to proceed. GREEN.

WHAT IS THE MEANING OF A RED BEACON LIGHT? A red bacon light is usually associated with an emergency. This is also the case with red beacon lights on signaling devices. It stands for emergency, a dangerous or hazardous condition and requires immediate action.