Aviation English
Long Haul

What is Island Alternate?

Island Alternate An aerodrome located on an island and designated as an alternate for oceanic or remote area operations.

Source: ICAO Doc 9432, FAA PCG

How is “Island Alternate” Used in Practice?

For this oceanic crossing, Island alternate is Lajes, filed due to ETOPS requirements.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

Montevideo AlternateAlternate Diversion FieldAlternate Threshold FuelLanding Alternate

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Frequently Asked Questions

What is Island Alternate?

An aerodrome located on an island and designated as an alternate for oceanic or remote area operations.

Where can I learn this term for free?

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