
Certified aircraft service for helicopters and airplanes: maintenance, repair, upgrades and training.

AIR LLOYD Aerotechnics GmbH
Calden · St. Augustin · Oppin · Ganderkesee · Schönhagen · Berlin · BudapestNew on Amplifa
About AIR LLOYD Aerotechnics
AIR LLOYD Aerotechnics GmbH (until 2018 HELITEC Helicopter Technik GmbH) is an EASA Part-145 certified maintenance organization for helicopters and airplanes based at Kassel-Calden airfield. Its range of services covers maintenance, repair, overhaul and rebuilding of aircraft as well as the upgrading of avionics, attachments and interiors. The maintenance rating includes, among other things, fixed-wing aircraft up to 5.7 t. The company acts as a Service Center for Robinson Helicopter, AutoGyro, GARMIN and Tecnam, and offers spare parts sales, transport & recovery, technical training, helicopter appraisal and sales. In addition to the maintenance facility, the AIR LLOYD group operates surveillance flights for high-voltage power lines and high-pressure gas pipelines, since 2004 using the CHARM system for gas leak detection developed jointly with OGE, ADLARES and DLR. From its locations in Germany and Budapest, customers are reached throughout Germany, across Europe and worldwide.
- Site
- Calden
- Processes
- Aircraft maintenance (helicopters and airplanes), Part-145 certified, Repair, overhaul and rebuilding of aircraft, Upgrading of avionics, attachments or interiors, Maintenance/servicing of fixed-wing aircraft up to 5.7 t (license extension), Helicopter and airplane maintenance (Part-145), Repair, overhaul and rebuilding, Upgrading of avionics/interiors, Spare parts sales
- Materials
- CHARM system (CH4 Airborne Remote Monitoring), GEOWORKPAD/GEOWORKNET/GEOWORKBASE
- Certificates
- EASA AOC, Part-145 (DE.145.0483), EASA ATO, ISO 9001, EASA Part-145 (DE.145.0483), ISO 9001 (TÜV Rheinland), EASA AOC D380, EASA ATO (DE.ATO.029)
- Founded
- 1963
- Industries
- Aviation (helicopters and airplanes), Energy supply/grid operators (high-voltage, gas pipelines), Pipeline support, Flight training, Ambulance/rescue flying
- 01
Inquiry and consultation
- 02
Scheduling and material provision (spare parts procurement)
- 03
Maintenance or repair in accordance with Part-145
- 04
Upgrades and special equipment
- 05
Inspection and release to service (return to airworthiness)
- 06
Documentation and handover
Services and Systems
CHARM system (CH4 Airborne Remote Monitoring)
Infrared laser-based system for detecting even the smallest quantities of gas on high-pressure gas pipelines from the air.
GEOWORKPAD/GEOWORKNET/GEOWORKBASE
In-house software platform for documentation and evaluation of surveillance flights for grid operators.
Locations

Calden
DEHead office, maintenance hangars and administration (Kassel-Calden airfield)
- Maintenance hangars (2018)
St. Augustin
DEHead office Flight Services: management, flight school, scenic and event flights, maintenance (Bonn-Hangelar airfield)
Oppin
DEBranch office: flight school, scenic/event flights, primarily pipeline support (Halle-Oppin airfield)
Ganderkesee
DEOperating site: scenic/event flights, pipeline support, license for fixed-wing aircraft up to 5.7 t
Schönhagen
DEOperating site of AIR LLOYD Aerotechnics (Hangar A3)
Berlin
DEOffice for software and hardware development for pipeline support
Budapest
HUBranch office for base maintenance (since October 2020)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Aircraft maintenance (helicopters and airplanes), Part-145 certifiedInspection | – | – | – | – | – |
| Repair, overhaul and rebuilding of aircraftAssembly | – | – | – | – | – |
| Upgrading of avionics, attachments or interiorsAssembly | – | – | – | – | – |
| Maintenance/servicing of fixed-wing aircraft up to 5.7 t (license extension)Inspection | – | – | 5.7 t | – | – |
7 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Robinson R44 helicopter | Robinson R44 | – | – | – | – |
| Bell 206 B3 helicopter | Bell 206 B 3 | – | – | – | – |
| Twin-engine turbine helicopter MD 900/902 | MD Helicopters MD 900/902 | – | – | – | – |
| Twin-engine turbine helicopter BO 105 CBS 5 (among other things CHARM gas leak surveillance) | Eurocopter BO 105 CBS 5 | – | – | – | – |
| Twin-engine turbine helicopter AS 355 | Eurocopter AS 355 | – | – | – | – |
| Single-engine turbine helicopter AS 350 | Eurocopter AS 350 | – | – | – | – |
| CHARM system (CH4 Airborne Remote Monitoring) for gas leak detection (infrared laser) | developed with OGE, ADLARES, DLR CHARM® | – | – | – | – |
Additional services
Reference customers
Quality and Approvals
AIR LLOYD Aerotechnics is certified by the Luftfahrt-Bundesamt (LBA) as a maintenance organization under EASA Part-145 (DE.145.0483) and is additionally ISO 9001 certified by TÜV Rheinland. As an air operator, the group holds an AOC license (D380) and, as a flight school, an ATO approval (DE.ATO.029).
| Evidence | Calden |
|---|---|
| EASA Part-145 (DE.145.0483) | |
| ISO 9001 (TÜV Rheinland) | |
| EASA AOC D380 | |
| EASA ATO (DE.ATO.029) |
Company History
- 1963
Founding of AIR LLOYD Deutsche Pflanzenschutz Fluggesellschaft mbH by the Gerling Group in Cologne
- 1973
Start of experience in the sector of observation services and inspection flights
- 1988
Founding of HELITEC Helicopter Technik GmbH by Hans Heckmann and Michael Hoyer
- 1991
Opening of the Halle-Oppin branch office
- 1992
Opening of the Berlin-Schönhagen branch office
- 1997
Wilbert Schmitz becomes a shareholder and managing director alongside Michael Hoyer
- 2004
Start of regular monitoring of high-pressure gas pipelines with the CHARM system
- 2006
Opening of the Bonn-Hangelar branch office; Service Center for Robinson Helicopter Company
- 2010
Service Center for AutoGyro
- 2013
Relocation agreement with the Kassel-Calden airfield company; Wilbert Schmitz becomes sole shareholder/managing director of HELITEC GmbH
- 2014
Cooperation agreement with AIR LLOYD Deutsche Helicopter Flugservice GmbH
- 2016
Takeover of the Ganderkesee operating site from ATLAS AIR Service; license extension for fixed-wing aircraft up to 5.7 t
- 2018
Move into the new maintenance hangars in Calden; renaming to AIR LLOYD Aerotechnics GmbH
- 2019
Service Center for GARMIN (January) and Tecnam (September)
- 2020
Opening of the Budapest branch office
- 2022
Cooperation with CAE GmbH in Bremen for maintenance and servicing of the fleet