About us

Authorized

Our commitment to safety and reliability is our highest priority.          – Carl Aronson, Director of Services

Nestled in the Northern reaches of California, lies a specialized helicopter support facility with not only a regional presence, but a global reach providing comprehensive maintenance, completions and service around the clock. Originally named after its founder, Sparrow Tang, Sparrow Aviation has become Advanced Helicopter Services (AHS), a company continually striving to exceed the high standards set for the company over 15 years ago. Based at the Watts-Woodland Airport in Northern Central California, Advanced Helicopter Services is now home to over 55,000 square feet of extensive helicopter support and professional technical expertise.  A facility dedicated to providing comprehensive helicopter maintenance operations to law enforcement, public use, corporate, air medical or utility aircraft.  AHS is an FAA Part 145 Repair Station, authorized Service Center for Eurocopter, AgustaWestland, Robinson and Enstrom helicopters, and one of very few authorized Turbomeca engine Maintenance Centers located in North America.  AHS is the only company in North America which is a Eurocopter Service Center and Turbomeca Maintenance Center combined.

Company founder and owner, Mr. Sparrow Tang started his company with a simple premise:  to provide the most comprehensive and professional maintenance services anywhere.  “We accept no excuses when it comes to offering the highest level of comprehensive maintenance products all under one roof. I’ve made a concerted effort to attract and keep professionals that make the Advanced Helicopter Services Company name synonymous with premier maintenance,” Tang remarked. “We’re always looking for ways to improve our services and support with new innovations and ideas.”

With a large number of law enforcement helicopter operations in the surrounding region, demand for support of these aircraft has led to specialized solutions based on a firm understanding of the mission.  Simply put, Advanced Helicopter Services knows what it takes to provide support for law enforcement aviation departments whether it’s for routine maintenance or challenging circumstances that these professionals often face. 

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Advanced Helicopter Services solutions include not only airframe maintenance and repair, but also engine and dynamic component capabilities. Major maintenance such as structural repairs and airframe modifications can be tailored to fit each individual aircraft or operator requirement.  Capabilities such as 24-hour AOG support both for spares and maintenance, analysis, troubleshooting, record keeping, technical support, engineering services, and customized airframe specific support are offered.  Main and tail rotor gearbox service as well as drive train maintenance capability is on hand at the company. Engine services range from inspections, vibration analysis, and overhaul as well as deep maintenance and support. This capability is an example of the dedication to provide comprehensive services such as engine warranty, SBH, TSC, rental logistics and NORIA support for Turbomeca and other engine manufacturers. Avionics equipment installations as well as inspection, repair and replacement are also included in AHS’s ever expanding broad range of capabilities.  

Advanced Helicopter Services has earned an exceptional reputation for supporting professional aviation organizations such as the California Highway Patrol, U.S. Customs and Border Protection, Placer County Sheriff’s Department, Los Angeles Sheriff’s Department, East Bay Regional Park District and the State of Nevada, amongst numerous others.

When California’s Placer County Sheriff’s Department Chief Pilot, Sgt. Van Bogardus was asked about his experience with Advanced Helicopter Services, he said, “We have stayed with Advanced Helicopter Services and they have demonstrated a strong commitment to safety and responsiveness to all of our needs.  We have received excellent service and support from AHS and they continue to exceed our expectations.”

Advanced Helicopter Services has built a well-deserved and widely known industry reputation for not only extensive helicopter maintenance services, but for providing highly specialized solutions to what can often be challenging situations. Advanced Helicopter Services is where “extraordinary support is an ordinary occurrence.”