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FAA Certifies Rolls-Royce T56 Turboprop Engine Enhancement

National Harbor, Maryland Rolls-Royce has received US Federal Aviation Administration (FAA) Type Certificate for the T56 turboprop engi...

National Harbor, Maryland

Rolls-Royce has received US Federal Aviation Administration (FAA) Type Certificate for the T56 turboprop engine enhancement program, a technology improvement that will significantly reduce fuel consumption, and could save the US Air Force billions of dollars and extend the life of its C-130H transport fleet.
The new type certificate for the T56/501D turboprop engine confirms the enhancement program has met or exceeded all FAA requirements for the L-100/382, which is the commercial variant of the C-130 military transport.
Rolls-Royce also has completed all requirements to achieve USAF engine qualification for the military C-130, and formal approval remains on schedule for later in the year.
The C-130 engine enhancement program demonstrated an increase of nearly 10 percent fuel efficiency during flight tests, along with significantly lower turbine temperatures, which will translate into 22 percent reliability improvement. A US Air Force study concluded that C-130 engine enhancement would lead to $2 billion in cost savings and extend the life of its C-130H fleet for decades.
The engine improvement program, known as the T56 Series 3.5, can be installed as part of a conventional engine overhaul, and does not require any aircraft or engine control system modifications. Each C-130 aircraft has fourRolls-RoyceT56 engines, with approximately 220 USAF C-130H models eligible for updating, as well as a large fleet of international operators. Other aircraft, including the Lockheed Martin P-3, are also eligible for the engine enhancement.