[əb′strək·shən ‚līt] (navigation) A light indicating the presence of an obstruction.

What is the purpose of obstruction lighting?

Reliable obstruction lights are vital in making high-rise buildings, towers and wind turbines visible to passing aircraft. At night, twilight and during bad weather and poor visibility, Orga Obstruction lighting ensures that tall assets are always safely visible to aviation.

What color are obstruction lights?

High intensity flashing white lights are also employed to identify tall structures, such as chimneys and towers, as obstructions to air navigation.

What obstructed means?

Definition of obstruct 1 : to block or close up by an obstacle A piece of food obstructed his airway. The road was obstructed by a fallen tree. 2 : to hinder from passage, action, or operation : impede Constant interruptions obstruct our progress.

What does the word obstructions mean?

1 : an act of blocking or hindering : the state of having something that blocks or hinders. 2 : something that gets in the way : obstacle. obstruction.

What is the difference between Papi and Vasi?

The only functional differences between the VASI and PAPI is that the VASI has the red over the white, the PAPI the white actually goes to the right of the red, and the PAPI offers higher precision (or more glideslopes depending how you look at it a larger airliner with a high cockpit may elect to fly a slightly higher …

Why do planes lights flash?

The strobes are intended to attract the attention of pilots on other aircraft, so they’ll know to keep a safe distance. The lights are powerful enough to shine through fog or thick clouds in bad weather. So chances are, the “flashing” you see in the night sky could be an aircraft’s strobe lights.

Why do planes flash red and white?

When ground personnel see those red lights flashing, they know the engines are running and the area is unsafe. The white wingtip strobes are typically turned on near the runway because they are a distraction to other pilots on the ground.

How do you use obstruction?

1. The lorry had been parked on the pavement, causing an obstruction. 2. He was arrested for obstruction of a police officer in the execution of his duty.