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วิทยุ VHF 1 ไม่ทำงาน คืออะไร?

วิทยุ VHF 1 ไม่ทำงาน Primary VHF radio channel 1 is not functional, requiring use of alternate radio or backup for ATC communications.

Source: ICAO Doc 9432, FAA PCG

How is “วิทยุ VHF 1 ไม่ทำงาน” Used in Practice?

วิทยุ VHF 1 ไม่ทำงาน เปลี่ยนไปใช้ VHF 2 ติดต่อ ATC

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

วิทยุ VHF 1 ไม่ทำงาน คืออะไร?

Primary VHF radio channel 1 is not functional, requiring use of alternate radio or backup for ATC communications.

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