The AS350 Écureuil is a versatile, single-engine, light helicopter that services many different mission-types, including ​tourism, law enforcement, and private charter.  Heli-One offers base maintenance and repair and overhaul services for AS350 helicopters including airframe and component work.

We maintain a pool of lease and exchange units at varying TBOs to reduce operating costs and minimize downtime.

Contact a Heli-One AS350/H125 expert


​AS350 Airframe Capabilities

Our team of technicians are fully licensed and receive additional training for specialized structures work. All our facilities have in-house supporting workshops to facilitate faster turnaround times and to maintain quality standards. Heli-One offers the following AS350/H125 airframe support:

  • Inspections: 600 HR / 12 YR
  • Mobile Repair Team services
  • Minor/major structural repairs and modifications
Our team is approved for services for: B-BA-B1-B2-B3-D variants. 


AS350 Component Capabilities

Heli-One is approved to perform dynamic component MRO for the AS350/H125/H130. This includes the following parts: 

  • Main Gearbox 
  • Tail Gearbox 
  • Bevel Reduction Gearbox
  • Epicyclic Reduction ​Gear
  • Mast Assembly
  • Oil Pump
  • Rotor Brake
  • Rotor Blades

Search our AS350 Component Capabilities:

(Click here for a separate window)


AS350 Modifications

Heli-One’s two Design teams design, certify, and install innovative and practical solutions in nearly any airworthiness jurisdiction in the world. We have hundreds of Major/Minor modifications and repair solutions and have worked with military and civil  operators representing every mission type in the industry. 

Our Design teams have developed many solutions for for a variety of missions including:
  • Flight Display Modernization
  • Flight Data Monitoring (FDM) with SSQAR
  • Cockpit Voice Recorder (Penny & Giles) Multi-Purpose Flight Recorder
  • Egress Railing
  • Emergency Beacon Locating System
  • Enhanced Ground Proximity System (EGPWS) - Honeywell Mk XXII
  • GPS with Map Display (Garmin GNS-530/530W)
  • Loud Hailer
  • Flight Following and Satellite
  • Communication SkyTrac ISAT-200
  • Avionics Shelves
  • Traffic Advisory System TAS-620
  • Triple Seat
  • Water Activated Floatation System
  • Weather Radar System Honeywell Primus 660

Discover more modifications and other cross-platform solutions in our online modifications catalogue.

© 2020 Heli-One, a division of CHC Helicopter

Cookies Acceptance

We use cookies on for the purposes of gathering information on how people visit and use our website to help improve this site. Anonymous information collected and reported includes things like number of visitors, time spent on the website, and basic geographical information. None of the information gathered is identifiable information. Go HERE for additional information on cookies used on