In an earlier and smaller study with 36 pilots, pilots also rated the issue of pilot-to-pilot communication as problematic (Estival and Molesworth, 2009). However, qualitative comments elaborating on this problem centered on communicating with non-native English speaking pilots. This problem does not appear to be unique to GA, as an earlier study targeting commercial pilots and air traffic controllers identified similar trends (EUROCONTROL, 2006). Controller accent was rated as the leading contributing factor for communication errors with ‘frequency changes’ and ‘call-signs’ (51% and 34% respectively). However, the extent to which this problem is compounded by noise remains unknown. What is clearer is that as the signal to noise ratio decreases, performance in terms of intelligibility decreases (Killion et al., 2004). According to Shimizu and colleagues, the effect of noise on performance is exacerbated for non-native speakers (Shimizu et al., 2002). Therefore, increasing the signal to noise ratio by reducing noise has the potential to alleviate miscommunication errors.