sjsjets.com

Superior Jet Specialists (SJS) provides aircraft maintenance, inspections, hydrostatic testing, and mobile support for jet owners and operators. The company offers routine maintenance to help keep aircraft in good condition, along with detailed pre-purchase inspections that give buyers practical insight into an aircraft’s condition. Its mobile division brings maintenance and servicing to customers on site, and its AOG support is available to help address aircraft-on-ground situations and work toward returning an aircraft to service.

SJS is Part 145 and DOT certified for hydrostatic testing services covering oxygen bottles, fire extinguishers, nitrogen bottles, and engine and APU fire bottles. The company also performs regulator overhauls. It emphasizes professional service, decades of experience, and attention to quality, supported by scheduled tool calibration, staff training, and continuing education. Superior Jet Specialists is based in Janesville, Wisconsin, and serves customers through its facility and mobile response services. Regular hours are Monday through Thursday, with Friday through Sunday appointments available. The team can be contacted by phone or email for service inquiries and assistance.