Concorde Battery

In response to the overwhelmingly positive viewer feedback on its 2021 virtual seminars, Concorde is taking its customers' suggestions and offering FAA-approved IA seminars focused on three distinct disciplines: piston, turbine and rotorcraft. All are welcome to the free events. IA status is not required.
Concorde Battery Corporation Receives New STC for RG-641 Battery Installation on Enstrom 480/480B Models
Concorde Battery Corporation Receives New STC for RG-641 Battery Installation on Enstrom 480/480B Models
Concorde Battery receives FAA STC SR01067DE, approving installation of RG-641, a lead-acid main battery, on Enstrom 480/480B models. RG-641 is designed as a drop-in replacement for the original equipment lead-acid battery on the helicopter. No kit or hardware is required to convert.
Concorde Battery Corporation sadly announces the passing of Don Grunke. Grunke was a friend to all and a stranger to none. He worked as an application engineer for Concorde Battery. The following is from his Obituary: Donald Gene Grunke, born on November 29, 1926 to George F. and Annie Laurie (Barker) Grunke in Dodge City, Kansas passed away on March 12, 2020 at 93 years of age. Don grew up in...