Garmin Install on Pilatus PC-12

Performed by William Summers

This aircraft installation project was designed,

managed, and performed by William Summers Jr., using manufacturer’s STC installation manuals, wiring diagrams, and specific Pilatus wiring diagrams and manuals, and is considered a major alteration with all proper FAA Form 337’s submitted

DescriptionREMOVED EQUIPMENT

• KMA 24 Audio Panel

• KLN 90B GPS

• Two KX 165A Comm/Nav Radios

Description Cont.INSTALLED EQUIPMENT

• GMA 350 Audio Panel• GTN 650 Comm/Nav/GPS• GTN 750 Comm/Nav/GPS• GDL 69A XM Weather and Music System• GDL 88 ADS-B In/Out • USB Charging Ports• GTX 330ES ADS-B Out Transponder

Install Information

Installed equipment was integrated with existing EFIS 40/50 EADI and EHSI screens, KMD 850 MFD, KFC 325 Autopilot,  #1 Nav Indicator, both RMI NAV/ADF Indicators, and the Cabin Entertainment System

This is the Pilatus PC 12 that the installation was performed on.

Original InstrumentPanel with Equipment

Interior panels removed for access to wiring.

Radios and trays havebeen removed for access.  

Wiring modifications have begun.

A closer view of the instrument panel and wiring.

Cabin interior has been removed for access to underfloor equipment and wiring.

Wiring is being run from systems in the underfloor cabin to the instrument panel in the flight deck.

New wiring run and integrated with existing wire harness.

Above

Underfloor symbol generators, GDL 69A radio receiver, and GDL 88 receiver.

Below

Underfloor systems showing wiring harnesses integrated with existing harness.

Reinstalled cabin interior, viewed from back to front, and then front to back.

The new installed equipment in the instrument panel powered up and functioning.

This installation, combined with the time needed to research what was required, any rules of compliance required, procuring DER forms, performing the labor for the installation, programming, and operational checkouts took 1 ½ weeks to complete.  

One thing we are exceptionally proud of is that the aircraft was delivered on time and with no discrepancies.