An FAA & EASA Certified Part 145 Regional Aircraft Repair Station located at the Bangor International Airport, Bangor, Maine USA. Good parts. Happy people. Safe landings. C&L Aviation Group is an FAA and EASA Certified Part 145 Repair Station located at the Bangor International Airport (BGR) in Bangor Maine USA. The C&L Aviation Group's Bangor facility has operated as a heavy maintenance facility servicing regional aircraft for more than 20 years.