This article explores the issues of pronunciation and comprehension in the English as a lingua franca (ELF) context of pilot--air traffic controller radiotelephony communication, and how these are handled in the proficiency rating scale globally used to assess pilots and air traffic controllers engaging in international flight and air traffic…

Defines language transfer as a psycholinguistic procedure by which second language learners activate prior knowledge in developing or using their interlanguage. A functional differentiation of language transfer is proposed, according to its activation in learning, reception, and production. (Author/LMO)