PT6T Engine Maintenance, Repair and Overhaul

PT6T Engine Solutions

H+S Aviation is independently operated and OEM-authorised for the repair and overhaul of the Pratt & Whitney Canada (P&WC) PT6T series turboshaft engines. Through our global network of aircraft engine maintenance facilities and mobile field service units, you can schedule your next engine repair or overhaul event or request on-site repair whenever your engines need expert service.


Global Engine Services

  • Engine Maintenance, Repair, and Overhaul
  • Combining Gearbox Inspection, Repair, and Overhaul
  • In-House Accessory and Component Repair Services
  • Component Exchange Program
  • Rental Engines
  • OEM-Correlated Test Cells

Quality Benefits

  • Pratt & Whitney Canada Designated Overhaul Facility
  • 24/7 Global Support Network
  • Expert Technical Support
  • AOG & Field Service


PT6T Major Aircraft Platforms

Bell 212 – PT6T-3

Bell 212 Twin – PT6T-3B


Agusta Bell 412/SP/HP/EP – PT6T-3B/BE/D/DF/6/6B

Bell CH146 Griffon – PT6T-3D

Sikorsky S-58T – PT6T-3 / -6


Robinson Way

Portsmouth Hampshire
United Kingdom
T +44 (0)23 9230 4000
F +44 (0)23 9230 4020

Request a Quote

Already an H+S Aviation or Dallas Airmotive Customer? Contact your representative.

Engine Maintenance Professionalism

As a customer of almost 20 years, we have always received an excellent, cost-effective service and a first-class product from H+S and it is this service that has ensured our continued loyalty

— Large UK operator

The H+S Aviation and Pratt & Whitney Canada Partnership

H+S Aviation and its affiliate Dallas Airmotive are OEM authorised on a broad range of Pratt & Whitney Canada engine platforms for both fixed and rotor wing applications since 1950.

H+S Aviation is a Pratt & Whitney Canada Designated Overhaul Facility for major repair and overhaul on the PT6T TwinPac® turboshaft engine. Our services include hot section inspections, overhauls, combining gearbox inspections, repair and overhaul as well as accessory repair and overhaul. Through P&WC’s Flat-Rate Programme, we also provide low fixed rate pricing with the same expert care.

H+S provides 24/7 technical support of the PT6T engine series through our F1RST SUPPORT™ field service organization and our global support network.

Contact us whenever you need assistance with your PT6T engine.

PT6T-Powered Airframe OEMs We are Proud to Support

OEM Authorised Helicopter Support - Bell
OEM Authorised Helicopter Support - Sikorsky
OEM Authorised Helicopter Support - Agusta Westland