Pie Aeronefs SA
Electric Aviation Pioneer


Pie Aeronefs is a Swiss all-electric aircraft manufacturer.

Through distributed electric propulsion, our zero carbon emitting airplanes shall surpass the performance of conventionally powered competitors.

Thanks to an innovative design, our aircraft are optimized for the electric energy system.

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Zero emissions

Our all-electric aircraft will produce zero CO₂ directly when operated.

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Swiss Made

Our aircraft are manufactured in Switzerland with an emphasis on local procurement when possible.

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We are working on new concepts in order to improve our aircraft's autonomy and performances.

Stay connected
03-2020 Company creation
04-2021 Approval of the UR-1 project by the EAS and design of the UR-1
01-2022 Making the UR-1
01-2023 Design of the UG-2
01-2024 First flight of the UR-1 and design of the UG-2
04-2024 Air Race E Championship
07-2024 Manufacture and first flight of the UG-2
01-2025 Approval of the UG-3 project by the EASA DOA and design of the UG-3
01-2028 First flight of the UG-3
06-2028 First sales of the UG-3


To achieve the objective of carbon-neutral aviation, Pie Aeronefs relies on the development of critical technologies designed to mitigate the limitations of current battery systems. We have developed an innovative method to mount the battery inside our wing for structural benefits. We have similarly conceived  an ultra-effective active high lift system which will be showcased in our prototype: the UG-2. 

ug-2 top view

Proprietary lightweight fire-protective material

The innovative approach of our design includes a cutting-edge material to reduce the risk of battery fires in flight.

Improved range performance

We have obtained a sensible improvement in the range performance of our aircraft by designing an original airframe optimized to sustain the batteries weight.

Electric motor

Powerful from low RPMs, quiet and cost-efficient, an electric motor does not require heating time or need to rotate when waiting on aerodromes. This considerably reduces environmental and noise impacts.

Wing battery pack

The energy storage is located in the wings. Developed to measure, our batteries are efficient and durable. Surrounded by aerospace grade fire-resistant materials, we guarantee occupant safety.

Latest News


Pie Aeronefs to attend Electrifly-in Switzerland

Pie Aeronefs is delighted to announce our participation in the 4th edition of Electrifly-In Switzerland on September 9 and 10 at Bern airport

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Newsletter - August 2023

The company has many irons in the fire now and is also arranging everything to get ready to take part in one of the major electric aviation events

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Newsletter – June / July 2023

Our team has faced many challenges in the last period. One of the main was about the completion of the preliminary design of our second prototype: mission accomplished!

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Pie Aeronefs to attend Paris Air Show

Pie Aeronefs will be present at the Paris Air Show from June 19 to 25 and we are delighted to have a space to welcome you and have you fly our UR-1 plane on the simulator.

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We are proud to be supported by our partners, sponsors and technical sponsors with the common goal of developing a greener aviation.

What they think of us

Pie Aeronefs SA is demonstrating a pragmatic and ambitious approach to developing new technologies for all-electric aircraft with great potential.

Tine Tomazic - Chief Technical Officer

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