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.

    • S-76
    • SAR
    • Offshore
    • Military
    • EMS
    • LAW
    • Utility
    Emergency Locator Transmitter
    Artex C406-N HM ELTProject No. CHS76-25-085
    An upgrade to the S-76A and S-76C for increased crew and passenger safety. Transmits the location of the helicopter in distress across multiple frequencies. Essential for operators working in remote and harsh environments.

    Modification details

    Title Emergency Locator Transmitter
    Aircraft S-76 (A/C)
    Approvals TCCA STC, Brazil STC
    Purpose Emergency Locator Transmitter
    Weight of Kit 2.8kg
    Installation Time Low

    Description of modification

    The Artex C406-1 HM ELT System consists of a switch/annunciator panel mounted on the starboard side of the center console, a transmitter, an NAV interface unit, a buzzer mounted on the aft lower avionics shelf, and an antenna mounted on the tail boom. The system is designed to function as a locator beacon, and provide automatic transmission of the aircraft identification and position in the event of an emergency. Present position 
    data is provided by the aircraft GPS system.
    • 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