Mods Catalog

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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

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S-76

Loud Hailer

-Project No. CHS76-25-076

An essential piece of kit that provides the pilot with a system to alert ground crew of potential danger.

Modification details

Title	Loud Hailer
Aircraft	S-76 (A/C)
Approvals	TCCA Minor
Purpose	Alerting the crew of potential danger during ground runs
Weight of Kit	4.5kg
Installation Time	Low

Description of modification

The loud hailer system is an effective warning system that provides the pilot with ability to alert the ground crew of potential danger while the rotorcraft is operated on the ground. It consists of a PA controller AA21-401, power amplifier and a speaker. The control unit and amplifier are located in the avionics bay, whilst the speaker is mounted in the Main Landing Gear L/H bay area. The speaker will be activated only when the console-mounted toggle switch operates the system in “siren/yelp” mode. Both the pilot and the co-pilot can activate the switch in case of emergency. Whilst activated, the controller draws 3A of current whilst the amplifier draws 5.5A.

ATA: 25 Equipment / Furnishings

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