Aviation Obstruction light Also known as navigation aid lighting equipment is a special lamp to identify obstacles，Belongs to navigation lighting equipment industry ，The aerial obstacle light is the light range under its seat。 In order to be different from general purpose lighting ,the aviation obstacle light is not always on but shining，Low light intensity aviation obstacle lights are always on ，Medium-intensity and high-intensity aerial obstacle lights are flashing，Flash not less than 20 times per minute ，No more than 70 beats per minute 。The purpose of the aerial obstacle light is to show the outline of the structure，The aircraft operator can judge the height and outline of the obstacle and play a warning role.
Overview of flight aid lighting on helipad: it is an engineering facility in and near the helipad flight area to provide pilots with visual guidance signals for takeoff, approach, landing and taxiing day and night. It is generally composed of pavement signs, navigational lights, signboards, signs, etc. Its complexity and simplicity and layout form are based on the plane layout of the apron. It is determined by flight volume, meteorological standard of receiving aircraft and content and precision of radio navigation facilities used together.
