Martinsburg, West Virginia

May 15, 2008 - 8:31 AM
After 10 years in development, Sino Swearingen is now building the first customer SJ30-2 business jet, S/N 005, at the company’s 87,500-sq-ft Martinsburg,
Oct 3, 2007 - 10:16 AM
Sino Swearingen appointed Air Touring, based at London Biggin Hill Airport, as the authorized representative for SJ30-2 business jet sales and service in t