Aircraft Maintenance
COMPLETE INDEPENDENT MRO SOLUTION
As a fully independent MRO provider, JMI delivers comprehensive base, line, and AOG support for aircraft owners and operators across the UK and Europe. Operating from our 18,000 sq. ft. hangar at London Oxford Airport, we offer a full range of services including engine and airframe maintenance, structural repairs, avionics upgrades, interior modifications, and aircraft paint support.
Our certified line station at London Biggin Hill Airport, with access to hangarage, provides everything from minor scheduled maintenance to mobile-response AOG support, with engineers available on-site seven days a week.
With a friendly, personal, and professional approach, our highly trained engineers combine expertise and experience to deliver safe, cost-effective maintenance while minimising aircraft downtime.
Our Services
Engine Support
Authorised Williams Engine Service Centre delivering complete engine support, from inspections to rapid response. Strategically located near other major engine OEMs, enabling swift turnaround and a competitive, efficient service.
PPI & Sales Support
Specialising in pre-purchase inspections to support confident and informed aircraft acquisitions. Delivering detailed technical assessments and independent evaluations worldwide to support both buyers and sellers.
Interiors
Comprehensive cabin deep cleaning services, including carpet care and expert retouches to seats and cabinetry - keeping interiors clean, refined, and ready to impress for every flight.
Paint
Aircraft paint services delivered through trusted third-party specialists. We coordinate high-quality refinishing and touch-ups, along with corrosion protection programs to help maintain your aircraft’s long-term condition and appearance.