We are dedicated specialists with many years of experience in engineering, maintenance, purchasing and sales. Our global network of contacts is built on personal relations based on mutual trust. We take full account of our customers situation and are ready to function both as an A&E and an ambulance service when problems arise. We know the relevant manufacturer and legislative requirements and are happy to put our expertise at your disposal. DAO is a Honeywell Heavy Authorized Service Center, and we provide delivery security, competitiveness and the latest knowledge with more than 30 years of experience. DAO is now a global leader in the STOL aircraft market and the legendary TPE331 turboprop engine. Our extensive experience and wide-reaching network also make us the natural choice if you are looking to purchase or sell planes or plane engines. DAO is also able to supply a wide range of spare parts. Our services at a glance: - Aircraft Maintenance - TPE331 Heavy Authorized Service Center - Avionic installation and repair shop - Design Organisation (DOA) specialized in Avionic installation projects - Continuing Airworthiness Management Organisation (CAMO) - Component shop - Aircraft parts supply & logistics