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Phonetic Alphabet

Hai

The ICAO/FAA radiotelephony spelling for the numeral '2'. Used to communicate numbers, headings, altitudes, flight levels, and runways unambiguously in ATC transmissions.

Quick answer: The ICAO/FAA radiotelephony spelling for the numeral '2'. Used to communicate numbers, headings, altitudes, flight levels, and runways unambiguously in ATC transmissions.

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Quick answer

The ICAO/FAA radiotelephony spelling for the numeral '2'. Used to communicate numbers, headings, altitudes, flight levels, and runways unambiguously in ATC transmissions.

Why it matters

Hai matters because it supports clear communication in Phonetic Alphabet contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is Hai?

In this glossary, Hai refers to: The ICAO/FAA radiotelephony spelling for the numeral '2'. Used to communicate numbers, headings, altitudes, flight levels, and runways unambiguously in ATC transmissions.

How is Hai used in aviation?

In aviation communication, this term appears in contexts such as: "Tăng lên và giữ độ cao bay hai năm không, báo khi đạt tới."

Why does Hai matter in aviation?

Hai matters because it supports clear communication in Phonetic Alphabet contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses Hai?

Hai is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Hai belong to?

In this glossary, Hai is grouped under Phonetic Alphabet. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

The ICAO/FAA radiotelephony spelling for the numeral '2'. Used to communicate numbers, headings, altitudes, flight levels, and runways unambiguously in ATC transmissions.

Operational example

Climb and maintain flight level two five zero, report reaching.

Localized term

Hai

Localized example

Tăng lên và giữ độ cao bay hai năm không, báo khi đạt tới.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Phonetic Alphabet

Exam relevance

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

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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