PTB Group Limited, together with its subsidiaries, engages in the aviation business in Australia, Papua New Guinea, New Zealand, the Pacific Islands, North America, South America, Asia, Africa, and Europe. It operates through four segments: PTB, PT USA, PT Leasing, and IAP. The company repairs and overhauls Pratt & Whitney PT6A/PT6T, Honeywell TPE331/T53, Bell Drivetrain, and GE M601 and H series turbine engines; provides engine maintenance contracts; and trades in aircraft airframes, turbine engines, and related parts. It also leases, rents, hires, and finances aircraft and turbine engines. The company was formerly known as Pacific Turbine Brisbane Limited and changed its name to PTB Group Limited in December 2006. PTB Group Limited was founded in 2001 and is based in Pinkenba, Australia.