PW210A MAKES IT FLY
Pratt & Whitney has a deep history powering the helicopter industry. Not only are their engines in every Leonardo model, but also in 30 other models from various manufacturers to include more than 5,000 helicopters operating in more than 200 countries.
Leonardo has enjoyed a lengthy partnership with Pratt & Whitney, so it was not a surprise that when it came to powering the AW169, the manufacturer chose the 1,100-shaft horsepower PW210A for its newest medium-class helicopter. “Leonardo and Pratt & Whitney have shared a long-standing relationship because of our common approach to meeting our customers’ needs and helping them achieve success,” said Nicolas Chabée, vice-president of marketing and sales at Pratt & Whitney Canada’s helicopter engine division.
The PW210A is built with only five major rotating components. It is designed for maximum availability and low maintenance with a 4,000-hour time before overhaul (TBO); no scheduled oil change, borescope or vibration checks; and an easily accessible and integrated nozzle for compressor wash, which all contribute to maximizing time in service.
With technology at the heart of the new engine’s advancements, Chabée indicated that the PW210A was built to serve the demanding needs of operators. “The engine’s FADEC seamlessly automates functions such as start sequence, engine protection logistics and advanced health diagnostics. In EMS missions, for example, the PW210A’s APU mode provides the uninterrupted supply of electrical power to keep medical equipment and other capabilities fully functional while the aircraft is on the ground and the rotor blades are stopped for safety,” said Chabée.
110 EMS missions to and from Matsu (on approximately 2.5-hour round trips). About 25 percent of the Matsu trips in 2019 involved ferrying passengers between the islands of Matsu. The government pays EPAIR to ferry outlying island residents from island to island when China Sea waves are higher than 1.5 meters (about 5 feet) and it’s hard for ships to transport people. Residents pay approximately $20 per trip. The government also included a Taiwanese custom in the air ambulance service: transporting gravely ill patients home to die.
At a Heli-Expo 2020 press conference, Leonardo announced a series of performance improvement software packs that would become available and be EASA-approved in 2020. The enhancements are designed to increase engine shaft horsepower (shp), transmission rating, and available payload.
Performance pack improvements:
• Engine power increase by 130 shp • Payload increase up to 350 kg for hovering • Payload increase up to 300 kg for Cat A operations • Payload increase up to 200 kg for hovering OEI
“The performance improvements recently announced for the AW169, and the twin PW210A engines that power it, enhance the helicopter’s capabilities. The changes are made with little downtime and serve to further facilitate demanding missions such as emergency medical services, or EMS, and wind farm inspection,” Chabée said.
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