The anti-collision equipment currently fitted to jets has already helped make mid-air encounters between airliners rare, but many light aircraft and helicopters are not fitted with such kit.
This is what is called an anti-collisionlight required by all aircraft flying in US airspace.
这就是所谓的反防撞灯，所有在美国领空飞行的飞机需要。
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SYSTEMS: Electrical system, powered by 12v DC alternator, includes navigation, panel and map lights, dual landing lights, anti-collisionlight and battery.