About us

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.

Support and Services

Parts & Components

With more than 30,000 line items in stock - all from engine manufacturers, approved dealers or overhaul facilities, and with EASA FORM 1 or FAA FORM 8130-3 certificates, DAO serves its worldwide customer base with overnight carriers.

Learn more
Propeller

DAO Aviation has acquired Norrøna Propellers & NDT. We are the Northern European leading maintenance center for propellers and NDT based in Oslo, Norway.

Learn more
Airframe

DAO Aviation provides EASA Part 145/FAA Base & Line maintenance services for a wide range of Turbo Prop and Turbo Fan Aircraft.

Learn more
Avionics

Our EASA Part 145 approved avionic service center offers a wide variety of possibilities in avionic maintenance and installations.

Learn more
Engine

DAO Aviation has more than 30 years of experience with TPE331 engines, and is today one of the largest TPE331 engine shops worldwide.

Learn more
DOA

The EASA Part 21J design organization is your starting point for any request regarding design and certification of various aircraft changes

Learn more
Non-Destructive Testing

Based in Denmark, Norway and Sweden, we have more than 40 years’ experience in the field of NDT- serving our customers. We offer NDT service on Aircraft, Components & Propellers- covering both Commercial and General Aviation.

Learn more
TFE731 and APU

Dao Aviation provides Honeywell TFE731 engine and GTCP 36-series APU line maintenance to our European based operators.

Learn more