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Sierra's first extended-range Super II XR delivered to European customer for Air Ambulance duty
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Feb. 17, 2009: 100 engines and counting: Sierra modifies 50th FJ44 powered Citation.
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Feb. 2, 2009: Sierra Industries welcomes aviation veteran David Welch to our Sales Staff
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November 25, 2008 – The first delivery of a Sierra Industries’ Super II took place this past weekend with a flawless flight from Texas to California.
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04/09 FLYING Magazine
Citation IIs Sierra Style
12/08 Business & Commercial Aviation
Engine Retrofits: Something Old, Something New
05/08 Twin & Turbine
It's a Bird, It's a Plane
Sierra's Super II Conversion
03/08 NSIDE Magazine
San Antonio business
Private Jet Travel for the Moderately-Heeled
07/07 Pilot Journal
The Sierra Stallion
It's not your father's
Citation!
06/07 AIN Online
Mod firms give Citation II
more power AIN Online