CDR Technology OÜ

Creative. Development. Research.

CDR Technology is a European developer and manufacturer of advanced Ground Power Units (GPU) for aircraft servicing, delivering configurable and sustainable systems with consistently high quality and professional client support for civil and military aviation.

Based in the European Union, Estonia, we operate within a strict regulatory and quality framework, ensuring traceability, compliance and long-term operational reliability.

We design, manufacture and support aviation ground power equipment used in critical airport and MRO operations worldwide. In addition to equipment delivery, C.D.R provides a full cycle of engineering services and technical consulting, supporting projects from early planning through implementation. Our expertise includes terminal and apron layout, operational and security considerations, fleet support concepts and other strategic areas related to ground power infrastructure.

Engineering discipline defines our approach. Every system is developed with lifecycle stability, efficiency and predictable performance in mind, ensuring reliable operation under real operational conditions.

Learn more from our website: https://cdr.ee/ 

 

Products

F-400 Series. Frequency Converters

F-400 Series. Frequency Converters

The frequency converters of F-400 series are developed for the ground servicing of all aircraft types, laboratory equipment, etc. with: a frequency of 400 Hz rated capacity up to 360 kVA F-400 series converters assist with …
R-28 Series. Rectifiers

R-28 Series. Rectifiers

The new-generation rectifiers of R-28 series are developed for ground servicing of aircraft and helicopters with: voltage of 28.5 V continuous current up to 1600 A (overload up to 2500 A) R-28 series rectifiers ensure reliable engine …
FR-400/28 Series. Combined units

FR-400/28 Series. Combined units

The combined supply units of FR-400/28 series are designed to power on-board systems of aircraft and helicopters during ground handling at airports, shop floors,and training centers. AC output 400 Hz: rated capacity up to 360 …
FR-270/400 Series R-270 Series. Combined Units

FR-270/400 Series R-270 Series. Combined Units

The 270 VDC Series units are engineered for demanding military aircraft ground servicing and mission-critical aviation applications. Dual output: 270 VDC/400 Hz Single output: 270 VDC only Rated output power up to 90 kW The units are designed …
D-28 Series. Diesel Units

D-28 Series. Diesel Units

The D-28 Series Diesel Unit is engineered to deliver stable power output for a wide range of on-site and ground-handling applications. Its durable construction, clear control panel and easy-access service layout ensure dependable performance and …
D-400/28 Series. DIESEL UNITS

D-400/28 Series. DIESEL UNITS

The combined supply units of D-400/28 series are designed to power on-board systems of aircraft and helicopters during ground handling at airports, shop floors,and training centers. DC output: 28,5 V AC output: 400 Hz All channels …
DP-50/60 Series. Distribution pillar

DP-50/60 Series. Distribution pillar

The CDR power pillars provide AC and DC connection points for workshops and hangars. -AC: 220/400 V–50/60 Hz -Special: 115/200 V–400 Hz -DC: 28 V Each line can be equipped with: High-speed switch Voltage and status indicators Options Built-in remote …
C-Coil Series. Cable extenders

C-Coil Series. Cable extenders

CDR Cable Extender. Robust and mobile solution for safe cable storage and delivery from GPU to aircraft. - Operating range: –55 °C to +55 °C - Cable length: up to 100 m - Supports up to 2 outputs Material of …
C/H Series. Air Condition Units (ACU)

C/H Series. Air Condition Units (ACU)

C/H series ACU units are designed for air conditioning of the passenger cabin during of aircrafts parking. Our new technology ACU unit's supplying the cooling, ventilation and heating through reversible heat-pump to the aircrafts. Adjustments Any …
Hatch PIT Series. PIT Systems

Hatch PIT Series. PIT Systems

Underground hatch pit systems designed for reliable aircraft ground servicing. Provide safe access to 400Hz, 28V DC,PCA, Air & Water connections. Durable galvanized steel frame, load bearing up to 90 tons. PIT AC 400 Hz PIT DC …
PBB-coil Series. Under Bridge Unit Set

PBB-coil Series. Under Bridge Unit Set

The PBB-coil Underbridge unit set is designed to supply aircraft during preflight preparation and maintenance. It is installed under the passenger boarding bridge within a short distance of an aircraft and provides: 3-Phase AC supply …

Images

Company News

Dual-output F-400 (2×90 kVA) Frequency Converter for modern apron operations.
12/05/2026

Dual-output F-400 (2×90 kVA) Frequency Converter for modern apron operations.

In modern apron operations, ground power equipment must solve more than just power supply requirements. Operators face increasing pressure related to: -limited apron space -complex cable management -simultaneous aircraft servicing -reduced turnaround time -maintenance accessibility -minimizing operational obstruction around the aircraft The new …
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Ground power challenges in hot climate airport operations!
11/05/2026

Ground power challenges in hot climate airport operations!

– –   Airports operating in hot and demanding climates face challenges that go far beyond standard 400 Hz power supply requirements. High ambient temperatures, dust exposure, continuous apron activity and long operational hours place constant stress on ground …
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F-400 (2×90 kVA) for efficient apron operations!
27/04/2026

F-400 (2×90 kVA) for efficient apron operations!

C.D.R Technology introduces a new F-400 (2×90 kVA) frequency converter, designed for reliable 400 Hz aircraft ground power supply in operational environments. The unit features dual operation mode with two independent 90 kVA outputs, allowing simultaneous …
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CDR Technology: Support that goes beyond delivery!
21/04/2026

CDR Technology: Support that goes beyond delivery!

Ground power equipment is only part of the solution. What matters is how it performs in real operation and how quickly issues are resolved on site. C.D.R Technology provides full engineering support across all project stages, …
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C.D.R Technology introduces New Combined 270 VDC / 400 Hz Ground Power Unit for Military Aviation.
13/04/2026

C.D.R Technology introduces New Combined 270 VDC / 400 Hz Ground Power Unit for Military Aviation.

C.D.R Technology announces the launch of a new combined ground power unit, developed to address the evolving requirements of modern military aviation infrastructure. As aircraft platforms become more advanced, the demand for both 270 VDC and …
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CDR Technology to Attend MRO Central Asia 2026.
18/03/2026

CDR Technology to Attend MRO Central Asia 2026.

C.D.R Technology will attend MRO Central Asia 2026, taking place on March 25–26 in Tashkent, Uzbekistan. The event brings together leading MRO organisations, airlines and aviation service providers from across Central Asia, Eurasia and the Caspian region, …
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Sustainability in Ground Power Systems starts with efficient engineering.
16/03/2026

Sustainability in Ground Power Systems starts with efficient engineering.

In aviation infrastructure discussions, sustainability is often linked to future technologies such as battery powered equipment. However, a significant part of sustainability in ground power systems is determined much earlier during design, component selection and …
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From Power Units to Stand Performance: What Airports Will Specify in 2026
16/02/2026

From Power Units to Stand Performance: What Airports Will Specify in 2026

From Power Units to Stand Performance: What Airports Will Specify in 2026 As airports accelerate electrification and modernisation, expectations for ground power are changing fundamentally. What was once assessed as standalone equipment is now evaluated as …
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Testing in Aircraft Ground Power Systems
13/01/2026

Testing in Aircraft Ground Power Systems

As airports modernise ground power infrastructure, testing has become a defining factor for operational reliability. Today, acceptance and verification go far beyond basic functional checks. In practice, testing of 400 Hz and 28 V DC systems …
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Ground-Power Outlook 2026: What Airports Will Demand Next
09/12/2025

Ground-Power Outlook 2026: What Airports Will Demand Next

Ground-Power Outlook 2026: What Airports Will Demand Next By 2026, expectations for 400 Hz and 28 V DC systems will rise significantly as airports accelerate the transition to electric GSE, expand energy-monitoring capabilities and prepare for …
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From Ground Power to Green Apron: How Smart 400 Hz & 28 VDC Systems Are Enabling Airport Electrification
05/11/2025

From Ground Power to Green Apron: How Smart 400 Hz & 28 VDC Systems Are Enabling Airport Electrification

The aviation industry is moving through a historic transformation. While global air traffic continues to rise, airports face new mandates: reduce emissions, modernise infrastructure, and maintain efficiency under growing pressure. The next generation of airports will …
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IAE 2025 - highlights in faces!
22/10/2025

IAE 2025 - highlights in faces!

Three unforgettable days filled with smiles, energy, and inspiration. This exhibition wasn’t just about technology —it was about people. About those who believe in us, trust our solutions, and share our vision of innovation in …
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Less Heat = More Efficiency
21/10/2025

Less Heat = More Efficiency

In high-traffic airports from Paris to Riyadh, thermal stress is one of the hidden cost drivers in ground power systems. That’s why at CDR Technology we design converters and rectifiers with advanced cooling systems —reducing heat, …
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C-Coil: Redefining Efficiency in Aviation Ground Power
17/10/2025

C-Coil: Redefining Efficiency in Aviation Ground Power

Essential Features of the C-Coil 🔹 Seamless integration under any PBB The C-Coil is designed to fit all types of passenger boarding bridges (PBB) and is fully compatible with a wide range of aircraft, making it a …
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We’re bringing something special to IAE 2025!
10/09/2025

We’re bringing something special to IAE 2025!

This October 7–9, CDR will be exhibiting at IAE 2025 in Munich, Germany. 📍 Find us at Hall B5, Stand 1126. We’ll be presenting our latest compact F-400 series 90 kVA solution together with other innovations designed …
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Compact power, maximum performance
03/09/2025

Compact power, maximum performance

Compact power, maximum performance ⚡✈ When every centimeter counts, design makes the difference. Our F-400 series 90 kVA Ground Power Unit stands out on the market as one of the most compact solutions in its class — …
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Another shipment ready for take-off — destination: Belgium!
18/08/2025

Another shipment ready for take-off — destination: Belgium!

We’re proud to announce that our latest Output Cable sets are on their way to one of Belgium’s airports: ⚡ 400 Hz Output Cable – built to deliver reliable power for aircraft ground operations. 🔋 28 VDC …
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CDR's F-400 90 kVA GPU is on its way to Vegas!
15/08/2025

CDR's F-400 90 kVA GPU is on its way to Vegas!

🚀 Our F-400 90 kVA GPU is on its way to Las Vegas! Catch us live at the International GSE Expo 2025, the premier event for ground support innovation: 🗓 September 16–18, 2025 📍 Las Vegas Convention Center …
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CDR Technology products — keep aviation running, no matter what.
11/08/2025

CDR Technology products — keep aviation running, no matter what.

They say there are two things in this world that never fail: the AK-47 and the Toyota Land Cruiser. At CDR Technology, we thought… why stop at two?Now the list goes like this: 🔫 The AK-47 — …
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Join CDR at Inter Airport Europe in Munich!
31/07/2025

Join CDR at Inter Airport Europe in Munich!

📢 Join us at Inter Airport Europe 2025 in Munich! We’re excited to announce that CDR will be exhibiting at the 25th edition of the world’s leading airport exhibition — showcasing our advanced ground support technologies …
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Greetings from the team behind the power — F-400 Frequency Converter!
16/07/2025

Greetings from the team behind the power — F-400 Frequency Converter!

We are proud to support your operations and extend our heartfelt appreciation to the incredible people of Sweden. Our commitment is to deliver outstanding performance, reliability, and service — today and for many years to come. …
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Greetings from the team behind the power — F-400 Frequency Converter!
14/07/2025

Greetings from the team behind the power — F-400 Frequency Converter!

We are proud to support your operations and extend our heartfelt appreciation to the incredible people of France. Our commitment is to deliver outstanding performance, reliability, and service — today and for many years to come. …
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Introducing FR-400/28 — Advanced Combined Power Supply Unit for Aviation Ground Support.
10/07/2025

Introducing FR-400/28 — Advanced Combined Power Supply Unit for Aviation Ground Support.

We are excited to present the FR-400/28 at Inter Airport Europe 2025 in Munich, October 7–9. Engineered to power the onboard electrical systems of aircraft and helicopters during pre-flight preparation, FR-400/28 is perfectly suited for use …
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We’re proud to announce that CDR has successfully passed an external audit and received certification under DNV’s ISO 9001 and ISO 14001 standards.
07/07/2025

We’re proud to announce that CDR has successfully passed an external audit and received certification under DNV’s ISO 9001 and ISO 14001 standards.

This achievement confirms our commitment to maintaining the highest standards in quality management and environmental responsibility across all our operations. 🔍 What this means: – ISO 9001 ensures we apply internationally recognized best practices in quality management, …
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We’re excited to announce that CDR has launched the design of a unique cable coil (C-Coil).
04/07/2025

We’re excited to announce that CDR has launched the design of a unique cable coil (C-Coil).

This purpose-built solution C-Coil developed by CDR in combination with frequency converter F-400 90kVA 400Hz, is a perfect solution to be installed under passenger boarding bridge (PBB). This solution attended for all types of PBB and …
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Now in Operation: F‑400‑90 in France
02/07/2025

Now in Operation: F‑400‑90 in France

We’re proud to share that our F‑400‑90 Frequency Converter is now fully operational in France, supporting reliable ground power for aircraft servicing. 🚀 Designed for safe engine start and continuous operation This deployment highlights our commitment to …
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We’ve rebranded to reflect who we’ve become — and where we’re going.
01/07/2025

We’ve rebranded to reflect who we’ve become — and where we’re going.

As a trusted supplier to major aviation companies, infrastructure developers, and defense organizations, we are proud to unveil our renewed brand identity. This evolution marks a strategic step forward in aligning our visual presence with …
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Contact

C.D.R Technology OÜ
Taevavärava tee 6b, Lehmja küla
Rae vald, Harju maakond, 75306
Estonia
  • +372 558 56 94

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