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Popa - Pilatus Owners and Pilots Association

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(Continued from Page 14)<br />

After contracting Western Avionics, we learned that<br />

my aircraft would be the fi rst <strong>Pilatus</strong> PC-12 to enjoy<br />

the G600 installation. As a result, Western Avionics had to<br />

interface with the FAA <strong>and</strong> Garmin in an effort to complete<br />

the installation successfully. Ultimately, the original airspeed<br />

indicator, altimeter, back up artifi cial horizon <strong>and</strong> one of the<br />

Bendix/King EFIS 40 displays remained within the pilot<br />

side panel. The EFIS 40 was an integral part of the aircraft’s<br />

original certifi cation <strong>and</strong> the Bendix/King KFC 325 autopilot<br />

system. The Bendix/King EFIS 40 display was placed on the<br />

left side of the G600 due to the AOA indicator requirement.<br />

In fact, we all learned that the AOA in the PC-12 can only be<br />

displayed on the Bendix/King EFIS 40. No one, including<br />

Bendix/King, sells a st<strong>and</strong>-alone compatible AOA indicator.<br />

After obtaining the FAA’s approval, Western Avionics<br />

began the installation. First, the pilot <strong>and</strong> copilot<br />

instrument panels had to be fabricated. I decided <strong>and</strong> I wanted<br />

the other Bendix/King EFIS 40 display to be installed in place<br />

of the gyroscopic artifi cial horizon on the copilot panel, since<br />

you can use both Bendix/King EFIS 40 systems as artifi cial<br />

horizons if you set the system to the composite mode. This<br />

proved to be a great decision.<br />

It is evident that my PC-12 served as the test bed for<br />

engineering purposes. There were several “behind the<br />

scenes” issues to be resolved. The installation took a total<br />

of about three <strong>and</strong> a half week’s time. Obviously, for the rest<br />

of you, the time may be less due to the “learning curve.”<br />

N121PH was an experiment. [I accept all “thank yous.”]<br />

highly recommend the guys at Western Avionics at Santa<br />

I Ana’s John Wayne Airport [KSNA]. Simply said, they<br />

did not let me down <strong>and</strong> took the initiative to make sure the<br />

installation was perfect. There is no doubt that if you decide<br />

to install the G600 in your PC-12 that your avionics shop will<br />

not be in position to foresee the diffi culties <strong>and</strong> interfacing<br />

issues that will arise. This is where Western Avionics<br />

outshines the rest.<br />

Patrick McCall<br />

attymccall@earthlink.net<br />

15

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