Support & Services


MRAS, a division of ST Engineering operates a 100,000 sq. ft. state-of-the-art maintenance, repair, and overhaul (MRO) facility with extensive capabilities and leverages our over 90 years of history including composite materials expertise and jet engine nacelle manufacturing programs.

Engineering Solutions

MRAS is a global leader in engineering solutions for nacelles and aerostructures, delivering exceptional expertise from initial concept development to fielded product support. With a comprehensive range of capabilities and a deep-rooted commitment to innovation, MRAS partners with aerospace OEMs and Tier 1 suppliers to address their most complex engineering challenges. 


Supplier Resources

MRAS’ Supplier Resources page. It provides a list of resources available for download or viewing online. These resources are presented as a guide to our existing vendors and suppliers. If you have specific questions, please contact the appropriate MRAS buyer.

Technical Publications

MRAS Technical Publications Gateway

To ensure you are contacting the correct OEM for product support please refer to the Hardware Customer Support Responsibilities Chart.


MRAS provides unrivaled spares support, ensuring you have the critical components you need when you need them. With an extensive on-site inventory of over 5,000 part numbers and a dedicated in-house team offering 24/7 support, MRAS is your go-to partner for world-class spares assistance.