M250 Engine Maintenance, Repair and Overhaul

M250 Engine Solutions

H+S Aviation and Dallas Airmotive are two of the world’s leading, independently operated, Rolls-Royce Authorised Maintenance Repair and Overhaul Centres (AMROC) with full in-house capabilities on all Rolls-Royce M250 series turboshaft engines – I through IV and related military variants. Through our global network of aircraft engine maintenance facilities and mobile field service units, you can schedule your next rotorcraft engine repair or overhaul event or request on-site repair whenever your engines need expert service.


Global Engine Services

  • Engine Maintenance, Repair, and Overhaul
  • Full Service on Series I through IV Models
  • Engine Sales and Exchange Program
  • Module Overhaul and Repair
  • Module Exchange (Serviceable & Overhaul)
  • Component Repair, Overhaul, and Exchange
  • Accessory Overhaul, Repair, and Exchange
  • Video Borescope Inspections
  • Rental Engines
  • Parts Sales
  • Engine Test Cells

Quality Benefits

  • Rolls-Royce Authorised Maintenance Repair & Overhaul Centre (AMROC)
  • 50+ Years of M250 Experience
  • Market Competitive Pricing
  • 24/7 Global Support Network
  • Expert Technical Support
  • AOG & Field Service


M250® Major Aircraft Platforms


BO 105 LS / LS A-3 – M250-C28C

Bell 206A – M250-C18

Bell 206B / BII – M250-C20

Bell 206B III – M250-C20J

Bell 206LT – M250-C20R

Bell 206L Long Ranger – M250-C20B

Bell 206L-1 II Long Ranger – M250-C28B

Bell 206L-3 / -4 – M250-C30P

Bell 230 – M250-C30G2

Bell 407 – M250-C47B

Bell 430 – M250-C40B

Enstrom 480/480B – M250-C20W

Hiller FH 1100 – M250-C18 / C18BR / C20B

Hiller UH12ET / UH12-E4T – M250-C20B

Kamov KA226 – M250-C20R

MD500 – M250-C18A

MD500C – M250-C20

MD500D / E – M250-C20B

MD520N – M250-C20R

MD530F – M250-C30

PZL SW4 – M250-C20R

Schweizer 333/330/330SP – M250-C20W

S-76 / Spirit / -A – M250-C30 / C30S


Robinson Way

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

Dallas-Fort Worth International Airport

2988 W. Walnut Hill Lane
DFW Airport, TX 75261
Tel: +1 214.956.3001
Fax: +1 214.956.2825

Request a Quote

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

Engine Maintenance Professionalism

H+S is performing very well in terms of customer service

— European Military operator


The H+S Aviation and
Rolls-Royce Partnership

H+S Aviation and Dallas Airmotive have been servicing Rolls-Royce M250 engines since 1967. We offer a depth and breadth of experience on this workhorse engine that includes the earliest models through the more powerful variants of today.

Being a modular engine, we can support operators by offering module repair and overhaul, exchange and sales, component and accessory repair, as well as full engine sales, exchange, repair, and overhaul. Helicopters can operate in almost any environment any time of the day, so our field service technicians are available to go on-site for your support. Whatever scenario fits your service needs, we can accommodate you.

We offer one of the most comprehensive M250 exchange and component inventories. We manage more than 1,000 line items for M250 and hold one of the largest inventories of M250 modules and engines available for exchange or outright sale. In addition, we maintain a complete stock of overhauled material ready for installation.

H+S Aviation also provides a high-quality training service for M250 series engine operators. The Rolls-Royce M250 training is both Rolls-Royce and EASA Part 147 approved and recognised for its in-depth execution by experienced instructors in Portsmouth, UK, or at your local facility. H+S Aviation and Dallas Airmotive provide 24/7 technical support of the M250 engine series through our F1RST SUPPORT™ field service organisation and global support network.

Contact us whenever you need assistance with your M250 engine.

M250-Powered Airframe OEMs We are Proud to Support

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