Aviation English
Long Haul

O que e Chamada de alta frequência?

Chamada de alta frequência The use of HF radio to establish long-distance communications with ATC, commonly required in remote or oceanic airspace.

Source: ICAO Doc 9432, FAA PCG

How is “Chamada de alta frequência” Used in Practice?

Rádio São Francisco, AAL90 no HF 8891, solicita verificação SELCAL e relatório de posição sobre NINTY.

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

O que e Chamada de alta frequência?

The use of HF radio to establish long-distance communications with ATC, commonly required in remote or oceanic airspace.

Where can I learn this term for free?

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