It is a licensing requirements that Airline Pilots and Air Traffic Controllers all over the world must demonstrate a proficiency of minimum level 4 in ICAO aviation English.
Asia Pacific Flight Training (APFT) is currently the only centre in Malaysia that offers the Aviation English Test that is ICAO compliant.
APFT uses the Jeppesen Aviation English Test, which is designed to assess the candidate's ability to understand and use the ICAO phraseologies as well as common English. The test structure is composed of 8 parts, conducted within 45 minutes.
For more details, click HERE.