Since 1988 Lotarn Limited has manufactured complex machined components and sub-assemblies for the aerospace, defence and space sectors. AS9100 certified. ITAR compliant. Trusted by OEMs and Tier 1 suppliers across Europe.
Full-service precision machining from prototype through production — specialising in tight-tolerance components for flight-critical and safety-critical applications.
3, 4 and 5-axis CNC milling and turning. Aluminium, titanium, stainless steel, Inconel and engineering plastics. Tolerances to ±0.01 mm.
Mechanical and electro-mechanical sub-assembly build, test and integration. Clean-room assembly capability for optical and sensor components.
In-house anodising (Type II & III), chromate conversion, passivation and primer application. All processes NADCAP-accredited.
CMM inspection (Zeiss Contura), surface profilometry, optical measurement systems. Full FAI to AS9102 standard. 100% traceability.
DFM consultation, 3D modelling (CATIA, SolidWorks), prototyping and pre-production development. Collaborative engineering from concept to delivery.
Consignment stock, kanban supply, JIT delivery and bespoke packaging. Integrated supply chain solutions for programme-level requirements.
Lotarn components and assemblies operate in some of the most demanding environments on Earth — and beyond. Our customer base spans commercial aerospace, military programmes, satellite systems and advanced research.
We hold the approvals, processes and track record that prime contractors require of their precision machining supply chain.
Structural, engine and system components for civil aircraft programmes
Precision parts for military air platforms, radar and weapons systems
Flight-qualified hardware for satellite structures and launch systems
Gearbox, rotor hub and transmission components for helicopter OEMs
Custom machined parts for particle physics, fusion and advanced materials research
From single prototypes to long-run production — talk to our engineering team about your precision machining requirements.
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