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- 148 No need
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- ICAO Level 4: Aviation English
- iOS 應用程式: 教育 由: Get Exam
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- 清單: 0 + 0 排名: 0 評測: 0
- 點數: 1 + 1 (1.0) 版本: 1.0 The operational level (ICAO Level 4) is required to be allowed to fly airplanes in international air traffic and to use the English language for R/T (radiotelephony) purposes. If you ... ⥯
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