Sponder Aviation Maintenance

Sponder Aviation Maintenance operates as 1 Vision Aviation, an FAA certificated Part 145 repair station at Sioux Gateway Airport (KSUX), 2500 Keokuk Avenue, in Sioux City, Iowa. The company is owned by CEO Jimmy Sponder. It runs a 32,000 sq ft hangar in Sioux City and a 130,000 sq ft hangar at Salina Regional Airport (KSLN) in Kansas. The website lists operations 24 hours a day, 7 days a week.

Services

1 Vision works on general aviation, corporate and transport category aircraft. It holds ratings on Boeing, Airbus, Embraer, Bombardier, Saab, De Havilland, Beechcraft and Cessna types and is certified to work on Transport Canada aircraft.

• Line maintenance, service checks, heavy checks and modifications
• General aviation work: 50-hour oil changes, 100-hour leaseback inspections, annual inspections and airframe modifications
• Sheet metal repair and fabrication, composites and fiberglass repair
• In-house interiors and upholstery
• Aircraft painting, with full mechanical and chemical stripping, on types from the Cessna 172 and Beechcraft 76 to the Boeing 777
• AOG teams that can deploy anywhere in the continental U.S. within 12 hours
• Aviation tool rental and a parts warehouse

Aircraft and avionics

The avionics shop in Sioux City installs ADS-B equipment, WAAS GPS units and glass panels, and designs custom panels. The company also does Wi-Fi installations and modifications on several airframes, including the Boeing 777.

Cirrus services

Cirrus Aircraft Authorized Service Center.

• Maintenance for Cirrus SR20, SR22 and SR22T aircraft
• Garmin avionics service
• Garmin dealer
• Avidyne avionics service
• Ice protection system maintenance
• Composite and paint repair
• Air conditioning service
• Cirrus parts
• Aircraft pickup and delivery

Source: Cirrus Aircraft service center locator (October 2026) and the company’s website.