在ICAO空域分类方案中，哪些空域是管制空域？（In the classification scheme of airspace recommended by ICAO, which classes of airspace are controlled airspace?）
举一反三
- ICAO空域分类方案中包括哪七类空域？（What are the seven classes of airspace in the classification scheme of airspace recommended by ICAO?）
- 在ICAO空域分类方案中，哪类空域只允许IFR飞行？（In the classification scheme of airspace recommended by ICAO, which class of airspace only permits IFR flights?）
- 中国空域分类方案中包括哪四类空域？（What are the four classes of airspace in the classification scheme of airspace in China?）
- 在中国空域分类方案中，管制区和管制地带分别对应哪一类空域？（What CTA or CTR does each class of airspace in China correspond to?）
- 在中国空域分类方案中，每一类空域的范围是怎样的？（What is the dimension of each class of airspace in China?）