U.S. National 2021 Sponsors

Sponsors of the 2021 US National Aerobatic Championships


Platinum Sponsors

1 Vision Aviation is located at the Salina Regional Airport (KSLN), Kansas and Sioux City Airport (KSUX) Iowa. They are qualified and trained to perform maintenance on many fleet types and is a Part 145 FAA Repair Station including providing; line maintenance, service check, heavy checks, modifications, painting of aircraft (interior and exterior) and components, sheet metal work, refurbishment, fiberglass repair and more.  They also have an avionics shop; ADS-B services, GPS Installation, and glass planels as well as provide general aviation maintenance  and is an authorized Cirrus Service Center 1 Vision Aviation



Game Composites LLC was co-founded in 2013  by Philipp Steinbach, an engineer, designer and an accomplished aerobatic pilot, along with Steuart Walton, a young lawyer, businessman and pilot.Game Composites set out with the desire to design, certify and produce "the world's best aerobatic and touring aircraft".

The initial production of the GB1 GameBird prototype and testing progressed through 2014. In July of 2015 the first flight of prototype aircraft G-IGBI took place. In July 2016 the EASA Validation Flight Test was conducted and the first public display at Airventure in Oshkosh, WI took place.

In August of 2017, Gamebird was issued a type certificate by the FAA. The aircraft and the factory in Bentonville, AR has undergone FAA inspections for certification in the U.S. in the aerobatic category. www.gamecomposites.com



Lycoming Engines Ltd. is a major American manufacturer of aircraft engines. With a factory in Williamsport, Pennsylvania, Lycoming produces a line of horizontally opposed, air-cooled, four, six and eight-cylinder engines including the only FAA-certified aerobatic and helicopter piston engines on the market.

Inspired by Charles Lingberg trans-Atlantic flight, Lycoming began developing aviation aircraft engines. Starting in 1929 aviation would never be the same. The first Lycoming R-680, a 9-cylinder 200 hp piston-driven radial engine left the assembly line and established a new standard in general aviation. https://www.lycoming.com/


Gold Sponsors

 Southeast Aero, in St Augustine Florida, opened its doors in 1992 as an aircraft sales and services business with an experienced team of professional and technicians and craftsmen. They are factory-authorized service center for Sirrus Design, Cessna Singe Engine, Extra Aircraft and Diamond Aircraft, although they frequently take care of other models.

They offer a Avionics Repair Station, specializing in Garmin, Avidyne,STEC and Aspen products. And serve as a dealer for most major avionics manufacturers. They have extensive experience in composite repairs and painting as well. http://southeastaero.com/default.htm                                                        

Mike Rinker. Mike is an active IAC member from Tennessee and has served on the IAC Board of Directors as the Southeast Regional Director. He began flying 1984 and basic aerobatics in the late 1980s. Mike has competed in numerous competitions and was a member of the 2007 US Unlimited Aerobatic team in Grenada, Spain. 


Debby Rihn-Harvey. Debby has been a part of aviation her whole life as the third generation of aviators in her family and an active IAC member. She is widely known as one of the most successful aerobatic competitors of all time. She is a 3-time National Aerobatic Champion and an IAC Hall of Fame Inductee. Debby manages her fixed base operation, Harvey & Rihn Aviation, a world renowned aerobatics school at La Porte Municipal Airport in Texas. http://www.debbyrihnharvey.com/biography.html

MT-Propeller Entwicklung GmbH was founded in 1981 by Gerd Muehlbauer and is well known in the world of general aviation as the leading manufacturer of natural composite propellers for single and twin engine aircraft, airships, wind tunnels and other special applications.

Since 1968 Gerd Muehlbauer has been working intensively as chief engineer in composite propeller design and development. MT-Propeller operates out of its main office at the Airport Straubing-Wallmuehle (EDMS) in Germany, where highly skilled people are producing the highest quality of natural composite propellers. 

For U.S. and Canadian customers there is an MT-Propeller Service Center in DeLand, Florida and several authorized service stations throughout the whole world. 


Jerry and Peggy Riedinger. Jerry and Peggy are IAC members from the state of Washington, IAC chapter 67. Jerry flies as a competition pilot in the Advanced category and Peggy is a National and International Judge. Peggy is currently the IAC Northwest Regional Director.   


Goody Thomas. Goody is an IAC member from South Carolina. Ever since he was a young boy, Goody has been extremely passionate about aviation in particular aerobatics. He began flying acro at the age of 23 Pitts S-2B. Over the course of his aerobatics career, he has won numerous gold medals in the unlimited category. Also, 5-time member of the United States Nationals team and named team captain, placing in the top ten multiple times on individual flights at World Championships. In 2011, Goody was the recipient of the Charlie Hillard Award for being the highest scoring United States pilot at the WAC.

Tom Rhodes is an active member, pilot and contest judge of the International Aerobatic Club. Tom has numerous IAC awards including first place trophies at the U.S. National Aerobatic Championships in Intermediate and Sportsman categories. He has recently retired from the IAC Board of Directors as the South Central Regional Director.

Tom would like to express his appreciation to the 2021 U.S. Advanced Aerobatic Team members for their dedication, tremendous efforts and perseverance.


Beth and Gary McCartan. Beth has been flying competition in the family's Decathlon since 2018. She is the 2019 U.S. National Aerobatic Championship Old Buzzard trophy holder. Also known as the Charles "Chuck: Alley Lifetime Old Buzzard Award, it is awarded with honor and distinction to the top scoring competitor who is 65 years or older and completed all flight in any category at the U.S. Nationals. 

Jim Bourke. Jim is an Unlimited competitor flying his EXTRA 330 SC and is a member of the USA Unlimited Team. He currently serves as IAC Board President and is a National aerobatic judge. He will be flying both glider and power categories at this year's U.S. Nationals.

Doug and Pat Sowder.   Doug is an IAC President Emeritus and an Advanced Category competitor. He lives in the NorthWest Region and is a National Judge, who is the recipient of the Robert L. Heuer Award for Judging Excellence in 2011.

Doug Bartlett.  Doug is this year's Contest Director for the U.S. Nationals. He is an IAC President Emeritus (2009-2012) and recently served as Vice President from 2019-2021. He was an active Unlimited category competitor in the 2000s through 2010. After an eight year break to pursue other interests he came back to competition in 2018. 


Silver Sponsors

Stan Burks . Stan is an Advanced category pilot, flying his Extra 300L. This will be his 6th trip to Nationals. He is from Hattiesburg, MS and competes in the Southeast Regional contests including the Bear Creek Bash held in Georgia. Stan has also been a Regional aerobatic judge for many years.

Aloft technologies set out to change the flying experience by changing the thing closest to the pilot, the headset. Careful thought goes into how each element of the headset works and how they come together as a cohesive whole that will perform well for any pilot, regardless of what or how they fly. Claifty Aloft informing principles are effortless performance, distinctive elegance, and thoughtful simplicity.    Aviation Headsets - Clarity Aloft                                                              

Schilling Aviation Services is an aircraft maintenance company located in Salina, Kansas. The facility offers a variety of services: repairs, preventative maintanence, inspection services, aircraft rentals and flight instruction. schillingav.com/



Para-Phernalia, Inc. have been designing and manufacturing the SOFTIE line of pilot emergency parachutes since 1979. These emergency parachutes are highly regarded for their quality, comfort and reliability. Each of the seven various SOFTIE models are customizable to best suit an individual pilot’s needs whether they fly powered aerobatics or any other type of aircraft. http://www.softieparachutes.com/


Robert Armstrong. Robert Armstong has been a member of the IAC for the past 40 years, has previously served as a director from 2006 to 2012, President from 2018 to 2020, and was inducted into the International Aerobatic Hall of Fame in 2016. He has built and flown many different aerobatic airplanes and rose through the categories to become a member of the U.S. Unlimited Aerobatic Term from 1992-1996 and 2000-2013. 

Ron Schreck.  Ron Schreck is a graduate of the US Air Force Academy class of 1969 and a retired Air Force fighter pilot who flew the OV-10, A-7, F-105, F-4 and F-16 aircraft. He has over 12,000 hours of flying time, including 645 hours in combat and over 2000 hours in his RV-8 "Miss Izzy". Ron is an active IAC member and served as the Contest Director for the 2019 U.S. National Aerobatic Championships.

Patty Wagstaff - A six-time member of the U.S. Aerobatic Team and the highest-placing American with gold, silver, and bronze medals, as well as a three-time U.S. National Aerobatic Champion, an IAC Champion, and six-time recipient of the "First Lady of Aerobatics" Betty Skelton Award, her Extra 260 went on display in the Smithsonian National Air and Space Museum in Washington D.C. in 1994. Wagstaff has won many awards for her flying and is particularly proud of receiving the air show industry's most prestigious award, the Sword of Excellence, as well as the "Bill Barber Award for Showmanship" and is the 1996 recipient of the Charlie Hillard Award. |  



Vicky Benzing. Vicky is an IAC member, born and raised in California, and an accomplished pilot, skydiver, aerobatic performer, and air racer. Following her aerobatics training in 2005, she started to compete in aerobatic contests across the United States working her way through various categories and perform in local air shows. Currently, Vicky holds a surface level aerobatic waiver and has flown over 200 airshow performances at venues throughout the United States, including EAA Airventure. https://www.vickybenzing.com/bio.html


Avflight. Avflight is a privately-owned international company  serving the aviation industry with a tradition of innovation for the past 20+ years. Avflight supports the safe, convenient and expeditious movement of people and goods around the globe. U.S. National Aerobatic Championships participants will receive fuel at a discounted price while at the Nationals. See the Special Rules and Procedures page for discount and fuel form. https://www.avflight.com/Network/KSLN



Northwest Insurance Group, Inc. 
Northwest Insurance Group, Inc. is an insurance brokerage specializing in the specific insurance and other risk management needs for all types of businesses involved in General Aviation, including manufacturing and municipal airports.  With thousands of commercial aviation accounts including municipality accounts, Northwest Insurance Group is a proven and capable Aviation Insurance Brokerage located on the West Coast providing insurance and risk management services for any type of aviation business or municipal owned airport.  The brokerage is currently licensed and doing business in all 50 States.

John Willkomm. John has been an IAC member since 1980. He has been a regular competitor and aerobatic judge for many years including Chief Judging at the 2002 and 2002 Great Lakes Aerobatic contest in Kenosha, Wi. At the time he was flying a Pitts S-1E in the Intermediate category. In 2013 John attended the Oshkosh Air Maneuvers Challenge in the Sportsman category. In 2017 and 2018, when the Nationals were held in Oshkosh, Wisconsin, he served as a volunteer to support his fellow aviators. John has been an IAC member since 1980, IAC member #7388.

IAC Chapter 11 serves aerobatic enthusiasts in the Virginia, Maryland and Washington DC areas. The chapter has an aerobatic box at KHWY in Warrenton, VA. You will see them practicing most weekends when the weather is good. They welcome all enthusiasts to come out and talk about aerobatics and see their aerobatic planes out on the ramp.

Visit them on their website https://iac11.org/  or FB page https://www.facebook.com/IAC11aerobatics/


Bill Denton. Bill Denton has been actively involved in the sport of competitive aerobatics for over 30 years. He has been a top judge for several years at the US National Aerobatic Championships and is the 2014 Robert L. Heuer Judges Award winner  for outstanding performance as an aerobatic judge.   


Marty Flournoy. Marty is a member of the U.S. Advanced Aerobatic Team. He has been an IAC member since 1996. Marty is currently serving on the IAC board of directors as the Southeast Region Director. He is also a National Judge and active member of IAC 3 Bear Creek Gang in Georgia.

Garmin has a full line of avionics, featuring industry-leading technology and endless possibilities. From the most advanced flight decks to portable navigators and everthing in between, Garmin is modernising the way you fly. General Aviation Solutions | Garmin

Bob Freeman. Bob has been an IAC member since 1981. Over the years he has been a spectator, competitor, boundary judge, recorder, assistant judge, regional and chief Judge, contest director, IAC Chapter 12 president and vice president and a member of the U.S. Advanced Aerobatic Team. He currently serves as a director on the IAC board.

"Good luck to all national competitors and thanks to all the volunteers! I'm proud to be a nationals sponsor. May you accomplish all your nationals dreams."



Complimentary performance polos for all our competition pilots are graciously being sponsored by;

Mike Goulian Aviation - IAC member since 1985; U.S. National Advanced Champion 1990 and U.S. National Champion 1995.  Current EAA Director on the IAC board.

Bob Freeman Airshows - IAC member since 1981; two-time U.S. Unlimted Team member, SW Regional Series winner 2004, IAC Open Champion West winner 2018, Director on the IAC board.

Jim Bourke Airshows - IAC member since 2008; two-time U.S. Unlimited Team member;  Mastery of Flight Achievement award for ALL Ten power and ALL Five glider awards, current IAC president

Jeff Boerboon and the YAK 110 team; IAC member since 1990; U.S. National Advanced Champion 2003 & 2007, U.S. National Unlimited Champion 2010, U.S. Unlimted Team member and 2015 recipient of the Charlie Hillard Award for highest scoring U.S. Citizen at the World Aerobatic championships, holds the ALL FIVE achievement awards 

Gerry Molidor and the Phillips 66 Aerostars - IAC member since 1986; U.S. National Intermediate Champion 1993, U.S. National Advanced Champion 1995-1997, U.S. Advanced Team 1997, two-time winner for the L. Ppaul Soucy Trophy 1991 & 1993, IAC Open Championship West winner 2015,  IAC Presdient Emeritus

Rob Holland Ultimate Airshows - IAC member since 2010; 9-time U.S. National Unlimited Champion 2011-2019, U.S. Unlimited team member, current IAC vice president.


Bronze Sponsors


Gordon and Lorrie Penner. Gordon and Lorrie are IAC members from the state of Ohio, IAC chapter 34. Gordon is a Captain in the Boeing 767 flying for a cargo carrier, is a Master CFI-A and a FAA Gold Seal instructor. Lorrie is licensed as a private pilot, SEL and Glider, was IAC Executive Director for three years between 2017-2020.  She is the current Editor of Sport Aerobatics magazine.                                                       

Norm Dewitt was the president of Unlimited Aerobatics USA, Inc. for over ten years, which supported the USA Unlimited team for world competition. He has served as a Director for the IAC for many years and is recently retired from the IAC board where he was serving as an EAA Representative.


Keith Doyne is the Safety Committee Chair and a regular contributor to Sport Aerobatics on safety and technical tips subjects. He acted as the Safey Director in 2019 at the U.S. National Aerobatic Champoinship and returns in 2021 to this role.

Jeff Granger. Jeff is a National judge living in Utah. He had been an IAC member since 19 1993 and was the IAC chapter 34 president and contest director in Ohio before his move out west. Has been an active competitor working his way through Sportsman to Advanced categories over the years. He is a regular contributor to Sport Aerobatics magazine and will be serving as a grading judge as well as one of two medical directors at the U.S. Nationals this year.

David Valaer. David is the 2019 U.S. National Sportsman Champion. He was flying his Pitts Special S-2C and will be returning to competition this year in the newly aquired CAP 10B pictured here.  He is currently in third place in the South Central Regional Series. 

Thank you to all the IAC Chapters who responded to an opportunity to sponsor one day of coffee and doughnuts, fruit or snacks for the judges for each day of Nationals. Their donation will provide five gallons of coffee for our daily volunteer and pilot briefings or the cost of fruit, doughnuts, or snacks for judges as they sit on the line.

IAC chapter 1          IAC chapter 5           IAC chapter 12          IAC chapter 15          IAC chapter 23

IAC chapter 24        IAC chapter 25         IAC chapter 34          IAC chapter  35         IAC chapter 36

IAC chapter 38        IAC chapter 49         IAC chapter 58          IAC chapter 61          IAC chapter 62

IAC chapter 67        IAC chapter 77         IAC chapter 78          IAC chapter 80          IAC chapter 88

IAC chapter 119      IAC chapter 135




The Nationals Sponsor Benefit Levels

Platinum Level Donor Benefits ($5,000 +)

  • Full page ad in U. S. Nationals program book 
  • Half page ad in Sport Aerobatics magazine 
  • Two seats at the closing ceremony and awards banquet 
  • Plaque 
  • U. S. Nationals official poster 
  • Copy of U. S. Nationals program book 
  • IAC window stickers 

Gold Level Donor Benefits ($1,000-$4,999)

  • Half page ad in U. S. Nationals program book 
  • Plaque 
  • U. S. Nationals official poster 
  • Copy of U. S. Nationals program book 
  • IAC window stickers 

Silver Level Donor Benefits ($500-$999)

  • Quarter page ad in U.S. Nationals program book 
  • U. S. Nationals official poster 
  • Copy of U. S. Nationals program book 
  • IAC window stickers 

Bronze Level Donor Benefits ($100-$499)

  • U. S. Nationals official poster 
  • Copy of U. S. Nationals program book 
  • IAC window stickers