Airport Runway and Taxiway

Taxiway, Apron: Delineate footprint of the following features. A taxiway connects aircraft to other areas and facilities of an airport. The apron is an area of an airport where aircraft are parked, unloaded or loaded, refueled, or boarded. Airport/Heliport Perimeter: Delineate the full perimeter of the airport or heliport. Helipad: Delineate clearly marked hard surface landing area or platform for helicopters.滑行道（Taxiway）、停机坪（Apron）：勾勒下述地物的覆盖范围。其中，滑行道是连接航空器与机场其他区域及设施的专用通道；停机坪是机场内用于航空器停放、装卸载荷、加注燃油以及开展登机作业的指定区域。机场/直升机场（Heliport）边界：勾勒机场或直升机场的完整外围轮廓。直升机坪（Helipad）：勾勒用于直升机起降的、带有清晰标识的硬质地面起降区域或平台。