Aviation English
Meteorology

急流 是什么？

急流 A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.

Source: ICAO Doc 9432, FAA PCG

How is “急流” Used in Practice?

请求直线航迹拦截急流，以节省燃油和时间。

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

结冰飞行中结冰能见度终端自动情报服务（ATIS）

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Frequently Asked Questions

急流 是什么？

A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.

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