Abstract: The issue of competition in airlines industry business and the image of the organizations have an extraordinary effect on the competencies of the employees. This article proposes the use of a competency-based approach, and an instructional design for developing an e-Learning English course module for chief flight attendants (CFAs) to enhance their English oral communication. The study was descriptive and experimental research. The objectives of the study were, firstly, to investigate the English language needs of the CFAs, to develop an e-Learning competency-based English course module for CFAs, to evaluate the effectiveness of the developed course and, lastly, to examine the opinions of learners toward the course module. The study consisted of two phases: course development and course evaluation. First, needs analysis was conducted by interviewing 35 key informants, a questionnaire survey with 266 CFAs, and site observations on nine different flights. The results disclosed the five competencies needed for CFAs which became the objectives of the developed course. The e-Learning course module was validated by the experts and was piloted with a group of learners having the similar characteristics as the subjects in the main study. The course evaluation was conducted based on both quantitative and qualitative data. The instruments of the experiment included the oral/speaking pretest and posttest and the end-of-course evaluation form. The instrument for collecting qualitative data was the end-of-course semi-structured interviews. The findings revealed that the mean scores of the posttest of the learners were significant higher than those of the pretest scores (p<.05). The overall learners had positive opinions toward the course module.