ICAO's Aviation English Language
Test Service (AELTS)

A service intended to assess tests of English designed to confirm how well pilots and air traffic controllers communicate in English using Radiotelephony. Learn More | FAQ

Recently Recognized:

  • English Language Proficiency for Aeronautical Communication (ELPAC) by Eurocontrol

    Conforms

Join AELTS

Test Service Providers (TSPs) with a test specifically designed to assess the proficiency of aviation professionals to use English during operations are invited to join AELTS and be recognized by ICAO for offering a valid and reliable test of aviation English that conforms with the Manual on the Implementation of ICAO Language Proficiency Requirements (Doc 9835).

Be Assessed

Submit your test of aviation English to ICAO for assessment and become recognized for offering a test that conforms to ICAO’s Language Proficiency Requirements (ICAO LPRs). Tests that fully meet the criteria of the LPRs will be recognized by ICAO as having the necessary qualities to test the language proficiency of aviation professionals.

Latest News

Read All
JAN
17

Read our article from the ICAO Journal 5, 2013:  Features and Benefits of ICAO's Aviation English Language Test Service (AELTS) 

JAN
17

Read our article from the ICAO Journal Issue 5, 2013:  Language Proficiency Requirements:  Critical to Aviation Safety

Test Evaluators

Language testing professionals, pilots and air traffic controllers who wish to become ICAO test evaluators are invited to log in and apply. Such applicants should be fully familiar with the ICAO LPRs and their application to aviation English language testing.