Mods Catalog

Welcome to the Heli-One online modifications catalogue.

You can browse Heli-One's modifications by aircraft type, mission purpose or ATA code. Use the search function to look up modifications as well.

Within each modification listing, you can learn more about each modification's purpose, certifications, weight, and installation time. You can also email the modification to others by clicking on the EMAIL link at the bottom of each listing. You contact the Heli-One team for further information on pricing and installation by clicking the CONTACT US button at the bottom of the listing. You can also contact Heli-One directly: 1-877-243-4573 ext. 109

Modifications are loaded dynamically - scroll down to load more content.

    • AS365
    • S-61
    • H225
    • AW139
    • SAR
    • LAW
    • EMS
    Sea Tray
    -Project No. AHSE-55400
    For SAR and EMS operations in wet conditions, a protective covering for the aircraft floor and lower interior is imperative. This Sea Tray installation allows protection against vast quantities of water, as well as easy post-mission flushing and cleaning.

    Modification details

    Title Sea Tray
    Aircraft AW139, H225, S-61
    Approvals EASA Minor
    Purpose Protective Covering
    Weight of Kit 36kg
    Installation Time Medium

    Description of modification

    A rapid and easy change of roles is a prime requirement for many operators, especially for the ambulance and SAR configurations. In the SAR role it is very likely that significant quantities of water could be introduced into the cabin. This would be via the starboard door (when opened for winching), the winchman, and any rescued persons during wet operations. It is therefore necessary to cover the floor and some part of the lower interior for protection. In addition, this protective covering permits easy flushing and cleaning of the cabin following a mission. The design may be adapted to other aircraft types upon request.
    • ATA: 25 Equipment / Furnishings
© 2023 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