EASA Part 21 / EDA EMAR 21 Subpart O (ETSO/EMTSO) Gap Analysis EASA Part 21 / EDA EMAR 21 Subpart O (ETSO/EMTSO) Gap Analysis EASA Part 21/ EDA EMAR 21 Subpart J Gap Analysis EASA Part 21/ EDA EMAR 21 Subpart G Gap Analysis EASA Part 21 / EDA EMAR 21 Subpart O (ETSO/EMTSO) Gap Analysis ARP-4754A Gap Analysis AS9100 Gap Analysis Safety Management System Gap Analysis how can we help you? Submit a business inquiry online. Contact Us It’s been my pleasure to work with Nazan on multiple occasions, including attending her Safety training workshops. Vance Hilderman CEO, Afuzion Inc.