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Long Haul

What is High Frequency Calling?

High Frequency Calling 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 “High Frequency Calling” Used in Practice?

San Francisco Radio, AAL90 on HF 8891, requesting SELCAL check and position report over 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

What is High Frequency Calling?

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

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