All Engines articles – Page 50
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NewsEASA draws up initial certification requirements for electric and hybrid engines
European aviation safety regulators have drawn up an initial set of certification requirements for electric or hybrid propulsion systems for future aircraft types. The in-depth special condition has been shaped from an initial proposal in January last year, following extensive comments from multiple aerospace companies including Airbus, Boeing, Embraer, Rolls-Royce, ...
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NewsDante Aeronautical reveals timeline for electric aircraft development
Spanish start-up Dante Aeronautical has outlined its plans for the development of electric-powered sub-regional aircraft which should culminate in a clean-sheet 19-seater by the end of the decade.
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NewsUnited Engine tests ‘spaceplane’ pulse-detonation demonstrator
Russian powerplant specialist United Engine has carried out initial testing of a pulse-detonation rocket motor which has potential application to orbital spaceplanes or hypersonic aircraft. Pulse-detonation propulsion combusts fuel and oxidizer using detonation waves, with relatively few mechanical moving parts, offering a more efficient thermodynamic cycle than conventional gas turbines. ...
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NewsFAA requires inspections of PW4000 low-pressure turbines
The Federal Aviation Administration is requiring airlines to inspect and replace “air sealing ring” assemblies within Pratt & Whitney PW4000 low-pressure turbine [LPT] cases.
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NewsAirbus explores cryogenic superconducting powertrain for electric thrust
Airbus has embarked on a programme to build a powertrain demonstrator showing the potential of cryogenically-cooled superconducting materials to reduce weight and improve the efficiency of power conversion for electric propulsion. Electric propulsion prospects have focused on light and regional aircraft because the power demanded for larger, longer-range types cannot ...
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NewsProject Fresson changes track in shift to hydrogen fuel cells
A UK initiative to develop a retrofitable green propulsion system for the Britten-Noman BN-2 Islander has dramatically switched course, abandoning a previous drive towards hybrid-electric power in favour of hydrogen fuel cells.
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NewsGround-test UltraFan demonstrator to be ready by year-end
Rolls-Royce has formally commenced construction of the UltraFan high-bypass engine, with the aim of producing a demonstrator by the end of this year. Work on the first module for the demonstrator, designated UF001, has started at the manufacturer’s facilities in Derby. Its first test run will be carried out using ...
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NewsFAA to stop requiring repeated PW1500G compressor inspections
Airlines may no longer need to repeatedly inspect low-pressure compressor (LPC) rotors in Pratt & Whitney PW1500G turbofans, which power Airbus A220s.
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NewsAn-124 operators to conduct disc inspections after November engine failure
Ukrainian authorities have ordered detailed inspection of the fan discs on Ivchenko-Progress D-18T engines, following the destructive powerplant failure involving an Antonov An-124 last November. The state aviation administration says preliminary investigation results show the fan disc was the “source” of the failure at Novosibirsk, which resulted in multiple system ...
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NewsSwiss A220 engine shutdown traced to leak from unmodified oil cooler
Investigators have determined that a Swiss Airbus A220-100 engine shutdown during climb out of Paris was triggered by a faulty seal leading to a loss of oil pressure. The aircraft (HB-JBC) was en route to Zurich from Paris Charles de Gaulle and climbing through 22,000ft. Swiss investigation authority SUST says ...
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In depthHow sustainable fuel will help power aviation’s green revolution
The pace of sustainable aviation fuel’s development is speeding up as airlines, producers and regulators see it as a critical tool enabling aviation to make progress with cutting its carbon emissions.
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NewsFAA to require inspections of Leap-1A high-pressure turbine cases
The Federal Aviation Administration is set to require inspections of high-pressure turbines (HPTs) in some CFM International Leap-1A turbofans, which power Airbus A320neo-family jets.
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NewsE195-E2 engine software upgrade ordered after A220 failure incidents
Operators of Embraer 195-E2 twinjets have been instructed to upgrade electronic engine-control software following inquiries into rotor disc failures on Airbus A220s. Both aircraft types use Pratt & Whitney geared-fan engines, and the architecture of the PW1900G powerplant on the E195-E2 is similar to that of the A220’s PW1500G. Investigators ...
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NewsA350 recruited for emissions analysis of wholly-sustainable fuel flights
Airbus and Rolls-Royce are participating in a study to examine in-flight emissions from commercial aircraft powered entirely by sustainable aviation fuel. The study involves monitoring emissions from an Airbus A350-900, both on the ground and in the air. Sustainable fuel will be supplied by Neste and the study will include ...
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NewsFalko backs Electric Aviation Group with undisclosed investment
UK start-up Electric Aviation Group (EAG) has secured funding from lessor Falko Regional Aircraft it bids to bring a new environmentally friendly passenger aircraft to market.
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NewsRotor disc hits workshop after A300 engine fails on take-off
Colombian investigators are probing a serious engine failure involving an Airbus A300B4 on take-off from Bogota. The incident occurred on 11 March, at about 00:30, as the Transcarga International Airways aircraft was departing for the Venezuelan city of Maiquetia. Colombian civil aviation authority Aerocivil says the twinjet (YV560T) aborted its ...
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NewsA350-900s to remain exclusively Trent-powered until at least 2030
Rolls-Royce has secured an exclusive position on the Airbus A350-900 for the remainder of the decade, ruling out any immediate prospect of a rival engine manufacturer entering the market for twinjet. The agreement means the Trent XWB will remain the sole powerplant on the A350 until at least 2030. Rolls-Royce ...
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NewsProgress on Trent 1000 remedies brings down overall in-service costs
Rolls-Royce is expecting overall in-service cash costs relating to Trent 1000 technical issues to fall to £2.1-2.2 billion ($2.9-3.1 billion), down from £2.4 billion, following improved progress on remedial work. The Trent 1000 is an engine option for the Boeing 787 but has been beset by a number of blade-durability ...
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NewsWideroe and Rolls-Royce pursue all-electric aircraft based on Tecnam design
Norwegian regional carrier Wideroe has linked up with Rolls-Royce and aeronautics firm Tecnam to develop an all-electric passenger aircraft within the next five years. The aircraft would be suited to the commuter air transport market and enter service in 2026. Wideroe has previously expressed interest in electric regional aircraft projects ...
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NewsRolls-Royce takes £1.3bn charge in fall-out from civil aerospace crisis
Rolls-Royce large engine flying hours were down by 57% last year, while deliveries of such engines almost halved to 264. The powerplant manufacturer disclosed the full-year impact of the air transport crisis as it turned in a £2.6 billion ($3.6 billion) underlying operating loss from its civil aerospace division. Production ...