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Kaelin Aero

Kaelin Aero Technologies GmbH

Oberndorf-Hochmössingen, Germany

Air SystemsMRO & LogisticsDual-use
Contract Manufacturer, MRO & ServicesSupplies Air Forces, Defense Industry
Profile last updated: June 20, 2026

About

Kaelin Aero is a defense contract manufacturer based in Oberndorf-Hochmössingen, Germany working in air systems, mro & logistics.

Kaelin Aero is an aircraft structures specialist offering civil and military airframe construction, complete aircraft development and manufacture, component production, repairs, restorations and modifications. The company operates as an EASA Part 21G production organisation and performs structural work on military aircraft, including the US Navy ARTEMIS project to upgrade 22 Northrop F-5 Tiger jets with RUAG AG, and structural replacement work for the Swiss Air Force fleet. It supplies components to Pilatus Flugzeugwerke AG, producing around 330 components per year, including parts for the PC-24. Kaelin also develops modification kits such as Eye in the Sky for AS350/H125 helicopters, performs field repairs worldwide, and rebuilds historic aircraft such as the Junkers F 13. The company has three sites: Oberndorf-Hochmössingen (Germany), Sempach and Bioggio (Switzerland).

Location

Oberndorf-Hochmössingen, Germany

Company type

Limited company

Legal name

Kaelin Aero Technologies GmbH

Registration

HRB 742 890

VAT number

DE286169511

Focus areas

Aircraft structuresAirframe manufacturingAircraft MROMilitary aircraft modificationHelicopter modificationVintage aircraft restoration

Languages

DEEN

Products & capabilities

Defense domains

Air SystemsMRO & Logistics

Supply-chain role

Contract ManufacturerMRO & Services

What they offer

Manufacturing ServicesEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

Eye in the Sky

Helicopter cockpit retrofit kit

Retrofit modification for AS350/H125 helicopters that improves vertical visibility sixfold for more precise manoeuvres in challenging terrain. Developed entirely by Kaelin.

End users

Air ForcesDefense Industry

Standards, platforms & customers

Platforms & programmes

Northrop F-5 TigerPilatus PC-24Pilatus PC-6Pilatus PC-7 MKXAS350/H125

Named customers

Pilatus Flugzeugwerke AGRUAG AGSwiss Air ForceUS Navy

Credentials & affiliations

Certifications

EASA Part 21G production organisation

Issued by: European Union Aviation Safety Agency (EASA)

People

Management & team (2)

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