Borescope Guide Tube Pratt & Whitney PT-6 C 67C And D Only. Higher powered Pratt and Whitney engines for medium class helicopters. The PT6C is a helicopter model, with a single side-mounted exhaust, producing 2,000 hp (1,500 kW) at 30,000 rpm, which is stepped down in a user-supplied gearbox
PT6C-67C Leonardo AW139 Helicopter; Leonardo AW609 Tilt Rotor; Airbus Helicopters H175
PT6C-67D Dyncorp UH-1 Global Eagle; Huey helicopter P&WC UH-1H; Beechcraft 1900D
The PT6C series of engines, which includes the PT6C-67D engine for the UH-1 helicopter, has also been selected for the Bell Agusta BA609 Tiltrotor and the Agusta Bell AB139 – making it the preferred engine for the new-generation medium-class helicopters and tiltrotors. This high-tech, low-maintenance series was derived from the large PT6 family, which powers a wide range of applications.
The Huey helicopter is one of the most widely used helicopters in the world. More than 10,000 have been produced and the fleet has accumulated more than 50 million flight hours around the world. The PT6C family of engines is known throughout the industry as one of the most reliable helicopter powerplants in operation.