How long is a Level 4 English language proficiency certificate valid?

A Level 4 English language proficiency certificate is valid for three years. This is established to ensure that the holder maintains a satisfactory level of language skills necessary for safe operation in an aviation context. Regular renewal or re-assessment helps to confirm that the proficiency levels remain adequate, as language skills can change over time.

This time frame supports the safety and operational requirements within aviation and aligns with international standards, ensuring pilots can effectively communicate, which is critical in dynamic environments. Therefore, the validity period plays a significant role in upholding aviation safety standards.