AVIONICS
HMM – Who would typically do an installation? DuRall – All installations are performed using our dealer
network. We currently have 37 dealers in the U.S., three in Canada and 22 located internationally that are approved to install and support the HeliSAS equipment. Dealers are continually being reviewed and added. HMM – Who will own the STC? DuRall – S-TEC currently owns all of the HeliSAS STCs. Additional STCs are planned or are being implemented. HMM – How long should an average installation take? DuRall – A dealer performing the first HeliSAS installation typically takes about 80 man hours. However once they understand the installation requirements, 60 man hours or less is the norm. Of course, these times vary with the complexity of the installation. We provide wiring harnesses with one end populated and all of the mounting brackets to speed up the installation process. HMM – Any lessons learned (dos and don’ts) you can share with our readers? DuRall – Do look at the aircraft prior to starting the installation to ensure that the areas for mounting the FCC and servos are not already used by another LRU. Do follow the STC documentation paperwork, as many of the questions
typically asked are covered in the STC. All authorized dealers should take the on-line HeliSAS installation and maintenance course to familiarize them with the HeliSAS system. HMM – How do you address the issue of same system but
different aircraft type? DuRall – These are addressed in the STCs. Each major airframe type has been test flown and specific gains have been programmed into the FCC. This is referenced by a dash number specified in the STC. Additionally, each STC identifies the location of the components. This means that there is no additional setup or configuration that needs to be completed once the system is installed. HMM – Will system/LRU programming be done in a
particular manner (i.e., laptop computer or other device)? DuRall – There is no field programming of the FCC other than basic installation functions such as audio volume. The gains of the FCC have already been identified during the STC process and cannot be modified in the field. There you have it, helicopter stability and more in a nice small package. Genesys Aerosystems HeliSAS and autopilot systems — hands-on or hands-off flight, it just might be right for your helicopter.
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HelicopterMaintenanceMagazine.com December 2014 | January 2015
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