National Flight Services
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National Flight Services, Inc. (NFS) is a US-based aircraft MRO and engine overhaul facility headquartered at Toledo Express Airport (10971 East Airport Service Road, Swanton, Ohio 43558), operating for 64 years. The company holds FAA, EASA, DGCA (India), and ANAC (Brazil) certifications as an Authorised Repair Station, enabling it to service aircraft for operators across North America, Europe, South Asia, and South America. NFS was recognised with the Toledo Blade Top Workplaces 2026 award, reflecting its workplace culture and employee development practices.
NFS specialises in Honeywell TPE331 turboprop engine overhaul and repair, holding the status of a Honeywell-authorised Turboprop Engine Core BGA Channel Partner of the Year and Service Center/MRO Channel Partner of the Year. Earlier this year, Honeywell named National Flight Services as the sole licensee worldwide to perform the Twin Commander -5 to -10T engine conversion, making NFS the exclusive global provider of this modification. NFS is also an authorised Twin Commander Service Centre, combining airframe and engine expertise for this aircraft type.
Beyond the TPE331 specialisation, NFS offers a broad range of airframe services including scheduled and unscheduled maintenance inspections, structural repairs, airframe modifications, custom interior installations, and avionics repair and installation. The company's customer base encompasses corporate aviation operators, regional airline operators, government aircraft fleets, and privately owned aircraft. NFS provides bilingual service in English and Spanish to serve Latin American operators. TPE331 Engine training is offered as a formal programme for airline maintenance technicians and operators.
Indexed product lines
Full overhaul and repair services for Honeywell TPE331 turboprop engines at the authorised repair station in Swanton, Ohio.
Exclusive worldwide Honeywell-licensed conversion of Twin Commander aircraft from -5 to -10T engine standard.
Avionics system repair, upgrade, and installation for corporate and general aviation aircraft.
Scheduled inspections, structural repairs, modifications, and custom interior work for corporate, regional, and government aircraft.