Discover financial tools, parts, consulting services and digital solutions to support every stage of the aircraft life cycle.
Get the JSSI Advantage
Every day, thousands of aircraft owners, operators and MRO businesses worldwide rely on the JSSI Advantage to stabilize aircraft maintenance costs, increase residual value, procure parts, inspect assets, manage maintenance events, streamline business processes and make more informed ownership decisions.
Independent Solutions
Industry-Leading Support
Exceptional Customer Service

Every Stage of the Aircraft Life Cycle
With decades of maintenance data and technical expertise on virtually every make and model of business aircraft, at JSSI we are uniquely positioned to deliver a collection of products and services to support you throughout the aircraft life cycle, from acquisition to part out.

- Hourly Cost Maintenance
- Airframe, Engine & APU Coverage
- Airframe Inspections
- Maintenance Tracking
- Event Management
There For Our Clients

Experience the JSSI Advantage with personalized attention from your dedicated support team, access to independent advisors, and products tailored to your aircraft or operation. We work for you.



Explore Products and Services
Hourly Cost Maintenance
For more than 30 years, JSSI has been the leading independent provider of hourly cost maintenance programs to the business aviation industry. Every program delivers the JSSI Advantage to enhance residual value, stabilize maintenance budgets and deliver peace of mind to owners and operators of virtually every make and model of turbine-powered aircraft. We are your independent maintenance advocate.


JSSI Parts & Leasing
Enjoy world-renowned white-glove service and support at every stage of your aircraft parts and leasing journey. From the extensive JSSI Parts & Leasing inventory and engine and APU lease portfolio to our qualified vendor marketplace, we deliver complete parts procurement and supply chain solutions. Your dedicated team is standing by 24/7 to source the parts you need, fast.
Conklin & de Decker
Make more informed aircraft ownership and operating decisions with industry-leading software and digital tools powered by decades of knowledge, expertise and the best performance data on the market. Compare aircraft operating costs, performance and specifications for more than 500 jets, turboprops, helicopters and piston aircraft; understand total ownership and maintenance costs; review critical state tax information; and manage MRO business processes as efficiently as possible with Aerotrac.


JSSI Advisory Services
Discover a complete range of aircraft advisory services. From desktop and on-site appraisals by our team of ASA-accredited appraisers to technical advice, maintenance event management and aircraft inspections. All powered by decades of independent maintenance data, experience and technical expertise on virtually every make and model of business jet, turboprop and helicopter.