Gunter Hemmel, Dipl.-Ing.
Gunter Hemmel, Dipl.-Ing. - President, CEO Entwicklungs GmbH
Iris Hemmel
Iris Hemmel - Vice President


From modest beginnings in 1977 one of the major avionics companies in Europe has been established under the management of Gunter and Iris Hemmel.

Flexibility and innovation is the philosophy and the secret of the company's success.

Dipl.-Ing. Gunter Hemmel completed his studies at the University of Munich in Communication Electronics and soon discovered his fascination for flying. As LBA and EASA approved inspector and pilot for single and multi-engine aircraft, he is involved in aircraft electronics since 1970.

Order Processing

First contact, order processing, customs procedures and accounting - the dedicated team around Iris Hemmel is the first contact for your needs. If you have technical questions they assist you in finding the proper specialist.


Helmut Eckert - a "veteran" in the field of avionics and employee since the first hour with more than 30 years of experience, is the head of our avionic repair workshop with currently 10 avionic technicians. For service and repair covering the whole spectrum of avionics (COM, NAV, XPDR, DME, ADF, Autopilot, GPS, MFD, Radar & others more), our factory trained, highly skilled technical personnel will take care of your problems.


Gyro & Co. are best taken care of by our Instrument repair team, headed by Heiko Dittmar. Based on a more than 20 years of instrument repair tradition, we serve the complete spectrum of instrument brands ( Honeywell, Sperry, Collins, Mid-Continent, Sigma Tek, Edo - Aire and more).

Branch Egelsbach

The Klaus Doelle GmbH was changed to a EASA and FAA certified local branch of Avionik Straubing Vertriebs- und Service GmbH in 2012 and is offering maintenance / repair services and installation of avionics components.


Branch and Technical Director
Thorsten RaumHans-Fleissner-Str. 54
Administration:D-63329 Egelsbach
Mrs. Heike JoistenPhone: Tel.: +49-9429-9424-0
E-Mail: info@egelsbach.avionik.deOrder acceptance  airport EDMS

In 2012, Avionik Straubing established a new facility at Egelsbach Airport (EDFE).
Since that time, we were able to increase our capacity and the level of service continuosly.

Due to the good cooperation and partnership with Diamond Aircraft Industries Deutschland GmbH, our team moved into the 'Diamond Building' in 2014.

We are focused on reducing the ground time for our customers. In cooperation with our partner Diamond Aircraft Industries Deutschland GmbH, we are able to provide a one stop service for all your maintenance needs.

Equipment Development

Development of equipment and certification according to ETSO-/TSO-/MIL-Standard - this is part of the design department headed by Gunter Hemmel. Our team consists of recognized specialists in the fields of construction, hardware design (RTCA DO-254) and software design (RTCA DO-178). Our laboratories are equipped with climate and salt spray chamber, shaker, centrifuge and many other test equipment to cover all RTCA DO-160 and MIL-STD-810 environmental tests. Highlight of our environmental test laboratories is our darkroom capable to perform NVIS tests according MIL-STD-3009. Our design team accompanies you from your first request via design, prototyping to the completely certified and documented equipment.  

Supplemental Type Certificate / Minor Change

Every new or retrofit electronic installation has to be certified according EASA guidelines as minor or major change with the generation of an STC (Supplemental type certificate). AVIONIK STRAUBING is proud of being certified as one of the first General Aviation design organizations in Europe (LBA No. II) which is the reason for our long design tradition. Hundreds of STCs and certifications are proof for a trustful relation between authorities and AVIONIK STRAUBING serving our customers.

Quality Management

Quality Management in aviation is subject of high priority. Wolfgang Knott and his team is optimizing internal processes and is aligning those with current EASA and FAA regulations. Via internal classes and audits our high level of Quality Management is kept up to date and optimized.