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The Pratt & Whitney Canada PT6 is a turboprop aircraft engine produced by Pratt & Whitney Canada.Its design was started in 1958, it first ran in February 1960, first flew on 30 May 1961, entered service in 1964, and has been continuously updated since.
The Pratt & Whitney Canada PT6T Twin-Pac is a turboshaft engine designed for helicopters. Manufactured by Pratt & Whitney Canada, its first application was in the Bell 212 and UH-1N Twin Huey helicopter family. The PT6T Twin-Pac consists of two PT6A power
The Conroy Tri-Turbo-Three was a Douglas DC-3 fitted with three Pratt & Whitney Canada PT6A turboprop engines by Conroy Aircraft; the third engine was mounted on the nose of the aircraft. Design and development
The engines, designated PW535E1, are rated at 3,478 lbf (15.47 kN)/ [4] Unveiled at the May 2023 EBACE show, the FADEC-controlled PW545D is developed for the Cessna 560XL Ascend variant, to be rated at 4,200 lbf (19 kN) and optimized for improved fuel burn and longer time between overhauls (TBO) up to 6,000 hours. [ 2 ]
The remanufactured design was based on a stretched fuselage to accommodate 23 passengers, a lengthened nose to fit radar, reshaped vertical tail (also increased in size) and two Pratt and Whitney PT6A turboprops replacing the original four Gipsy Queen piston engines, along with other minor changes.
Originally, the aircraft was an upgraded version of the Pressurized Navajo equipped with two Pratt & Whitney Canada PT6A-28 turboprop engines. Later, the aircraft was further refined and developed, including aerodynamic improvements and fuselage extensions. The PA-31T led to the development of the PA-42 Cheyenne III and IV.
U.S. regulators are requiring immediate inspections and possible repairs to Pratt & Whitney engines on some Airbus passenger jets because of a manufacturing problem that could cause parts to wear ...
AT-401A - AT-401 with PZL-3S engine. One built. [2] AT-401B-Improved revision of AT-401, with revised wingtips and further increased span (51 ft 1¼ in (15.57 m)). 69 built by December 2001. [2] AT-402 - AT-401 with Pratt & Whitney Canada PT6A-15 engine. [3] 68 built. [2] AT-402A - low cost version of AT-401B, with Pratt & Whitney Canada PT6A ...