Our Story

We're the people to keep you flying

Headquartered in Shannon Co. Clare, Ireland, Shannon Engine Support is the world’s largest lessor of CFM56 and LEAP engines, with the largest portfolio strategically located worldwide.

With over 35 years’ experience and a wealth of technical expertise we offer airlines assurance that we can help them find the right solution to suit their requirements.

We work very closely with all our partners to create bespoke engine leasing solutions to meet unique and ever-changing requirements.

SES can also offer our customers guaranteed engine availability within 24 hours. It’s a level of reliability and service that’s made SES an industry leader for over 35 years.

Products & Services

SES offers CFM operators spare engine solutions that include guaranteed pool access, short-term and long-term leases and trading or exchanges, all of which can be structured and combined to meet an individual airline's fleet requirements

Customised Support Programmes

Guaranteed Access

Operating Lease

Short Term Lease

Engine Trading


SES' Offices, Pool Locations and Technical Service Providers

Headquartered in Shannon, Ireland, with marketing offices in Singapore, Beijing, China and Budapest, Hungary, SES has a portfolio of more than 450 CFM56 and LEAP spare engines, including CFM56-5B, CFM56-7B, LEAP-1A and LEAP-1B engines.

SES' Spare Engine Pools are located at certified MRO facilities around the world, close to international logistics hubs, to easily support airlines operating CFM56 and LEAP powered aircraft.

Contact Us
Shannon Engine Support Limited (SES), the CFM specialist lessor providing spare engine lease solutions to CFM56 and LEAP operators around the globe