二类导航 是什么？
二类导航 Navigation in airspace where position cannot be reliably fixed using ground-based radio navigation aids, requiring the use of long-range navigation systems.
Source: ICAO Doc 9432, FAA PCG
How is “二类导航” Used in Practice?
本段按照二类导航程序运行，请确认远程导航设备正常。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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二类导航 是什么？
Navigation in airspace where position cannot be reliably fixed using ground-based radio navigation aids, requiring the use of long-range navigation systems.
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