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The Pratt & Whitney PW4000 is a family of dual-spool, ... [15] [16] In 2019, an airworthiness directive mandated recurring engine inspections based on usage cycles.
The Pratt & Whitney PW1000G family, also marketed as the Pratt & Whitney GTF (geared turbofan), is a family of high-bypass geared turbofan engines produced by Pratt & Whitney. Following years of development and testing on various demonstrators, the program officially launched in 2008 with the PW1200G destined for the Mitsubishi SpaceJet (a ...
On February 24, the FAA followed its counterparts in the other countries and issued an Emergency Airworthiness Directive (EAD) that required U.S. operators of airplanes equipped with certain Pratt & Whitney PW4000 engines to inspect these engines' fan blades with thermal acoustic imaging before further flight, [11] grounding the US fleet only ...
An airworthiness directive (commonly abbreviated as AD) is a notification to owners and operators of certified aircraft that a known safety deficiency with a particular model of aircraft, engine, avionics or other system exists and must be corrected. [1] [2]
In March 2011 the FAA issued an Airworthiness Directive restricting operation of the entire fleet of EA500s to 30,000 ft (9,144 m) from its previous limit of 37,000 ft (11,278 m) and before that 41,000 ft (12,497 m). The AD was required because a build-up of hard carbon deposits on the engine static vanes caused at least six reported engine ...
The aircraft operating Flight 2708 was a Boeing 777-3B5 [a] equipped with two Pratt & Whitney PW4000 engines, registered HL7534, serial number 27950. The 120th Boeing 777 produced, it first flew on 4 February 1998, and was delivered new to Korean Air on 28 December 1999.
The Pratt & Whitney PW2000, also known by the military designation F117 and initially referred to as the JT10D, is a series of high-bypass turbofan aircraft engines with a thrust range from 37,000 to 43,000 lbf (160 to 190 kN). Built by Pratt & Whitney, they were designed for the Boeing 757.
A T-34C Turbo-Mentor, which can be distinguished from the B (piston) model by the extended nose and exhaust stacks on either side behind the prop to accommodate the turboprop engine. After a production hiatus of almost 15 years, the T-34C Turbo-Mentor powered by a Pratt & Whitney Canada PT6A-25 turboprop engine was developed in 1973.