This study aims to find out the challenges encountered in the use of video as audio-visual material as a warm-up activity in aviation English course at high school level. This study is based on a qualitative study in which focus group interview is used as the data collection procedure. The participants of focus group are four instructors teaching Aviation English to 10th graders in a state high school in 2005 to 2006 academic year. Despite the fact that the use of video as an audio visual aid is a proper modern technology tool to motivate the learners, it prevails a set of challenges in the stages of selection, preparation, and demonstration as well. According to the analysis of the data collected using focus group interview, the challenges, encountered in the use of video, are concluded to arise from curriculum design, technical constraints and video selection.