Sierra Industries Adds G1000 to Citation Mod Offerings

One of the aircraft parked at the NBAA static display at the Las Vegas Convention Center during the NBAA Convention in October was a highly modified Cessna

Sierra Industries’ Garmin G1000 package replaces the Citation 501/501SP’s original mechanical gyroscopes and avionics with two Garmin primary flight displays and a center-mounted multifunction display.

By Matt Thurber • Editor-in-Chief

December 1, 2011

One of the aircraft parked at the NBAA static display at the Las Vegas Convention Center during the NBAA Convention in October was a highly modified Cessna Citation 501SP. The Citation was the first 501SP equipped with the recently certified Sierra Industries G501SP cockpit upgrade, featuring a Garmin G1000 panel and Cobham digital engine displays. Sierra Industries also modified the jet with its Stallion upgrade, replacing the original 2,200-pound-thrust Pratt & Whitney Canada JT15D-1s with 2,300-pound-thrust Williams International FJ44-2As, plus a quick-release radome, pneu-lift baggage door and other modifications.

The Garmin G1000 package replaces the Citation 501 and 501SP’s original mechanical gyroscopes and avionics with a three-display Garmin system driven by dual Garmin GRS77 attitude heading reference systems and dual GDC 74A digital air-data computers. The panel, precision cut using a waterjet, features two 10.4-inch Garmin GDU 1040 primary flight displays flanking a center-mounted GDU 1040 multifunction display, which is mounted just below the Cobham electronic engine instrument displays.

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