沈陽威亞的外場服務項目以螺旋槳現場排故和螺旋槳、旋翼動平衡調試為主。 　　Field service of Shenyang Avias mainly include propeller troubleshooting in field, and dynamic balance commissioning of propeller and rotor. 　　D3.起落架維修Landing gear 　　公司具有空中國王350飛機、空中國王C90飛機、運十二飛機、運5飛機的起落架翻修能力，并獲得美國德士龍公司維修授權。 　　Brief description: our company has overhaul capability of landing gear of King Air 350, Y-12 and Y-5, and has obtained maintenance authorization of Textron.