Airlines

Emirates flew B777 test flight with 100% SAF

Emirates’ first milestone demonstration flight was conducted with a Boeing 777-300ER, with one of its engines being powered by 100% sustainable aviation fuel (SAF). Captain Fali Vajifdar and Captain Khalid Nasser Akram were in charge of the aircraft, which departed from Dubai International Airport (DXB) and flew for more than an hour above the Dubai coastline. The flight deck crew was accompanied by Adel Al Redha, Emirates’ Chief Operating Officer, and Captain Hassan Hammadi, Divisional Senior Vice President, of Emirates Flight Operations.

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The demonstration flight powered by SAF holds particular significance as the UAE declares 2023 the ‘Year of Sustainability’. The year will showcase the UAE’s commitment to seeking innovative solutions to challenges such as energy, climate change, and other issues related to sustainability. The flight supports collective industry efforts to enable a future of 100% SAF flying and help advance the UAE’s sustainability objectives.

Emirates’ demonstration flight, the first in the Middle East and North Africa to be powered by 100% SAF, supports broader efforts to reduce lifecycle CO2 emissions as the industry looks to scale up its use of SAF. The flights will also help to refine the playbook for future SAF demonstrations, and support future certification where 100% drop-in SAF fuel is approved for aircraft. Currently, SAF is approved for use in all aircraft, but only in blends of up to 50% with conventional jet fuel.

Emirates worked alongside partners GE Aerospace, Boeing, Honeywell, Neste, and Virent to procure and develop a blend of SAF that closely replicates the properties of conventional jet fuel. At each blend ratio, a host of chemical and physical fuel property measurements were carried out. After multiple lab tests and rigorous trials, they arrived at a blending ratio that mirrored the qualities of jet fuel. Eighteen tonnes of SAF were blended, comprised of HEFA-SPK provided by Neste (hydro-processed esters and fatty acids and synthetic paraffinic kerosene) and HDO-SAK from Virent (hydro deoxygenated synthetic aromatic kerosene). The 100% SAF supplied one GE90 engine, with conventional jet fuel supplying the other engine.

The test flight further demonstrates the compatibility of the specially blended SAF as a safe and reliable fuel source. The promising outcome of this initiative also adds to the body of industry data and research around SAF blends in higher proportions, paving the way for standardization and future approval of 100% drop-in SAF as a replacement for jet fuel, well above the current 50% blend limit.

Emirates is committed to supporting initiatives that help minimize its CO2 emissions, and the airline has already made great strides in fuel efficiency and conservation as well as operational advancements. The airline also supports IATA’s collective industry commitment to reach net zero emissions by 2050, and is exploring opportunities to augment operational fuel efficiency, SAF, low carbon aviation fuels (LCAF) and renewable energy.

Airlines

Air India Express Aircraft Engine Part Falls Outside Delhi Airport; DGCA Orders Probe

Air India Express flight skids off runway while landing at Kochi airport

The Directorate General of Civil Aviation (DGCA) has launched an inquiry following reports that metal fragments were discovered at Delhi’s Indira Gandhi International Airport after an Air India Express flight made an emergency landing on Monday evening.

The emergency landing was prompted by a detected engine fault, but fortunately, the landing was executed safely without any injuries to the passengers.

The situation began when crew members of the Air India Express flight reported an engine issue, leading to the emergency landing. The DGCA has confirmed that a thorough investigation is underway and has directed that the aircraft undergo a comprehensive safety inspection.

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The discovery of metal debris outside the airport has raised concerns, prompting the DGCA to probe whether these fragments are linked to the aircraft involved in the emergency landing. Authorities are particularly focused on whether the metal pieces, which were found near the airport, originated from the same Air India Express flight that experienced engine trouble.

While preliminary assessments suggest that the debris could be a broken blade from an aircraft engine, the exact source remains unconfirmed. The airline has yet to verify if the metal fragments are from their aircraft.

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The Delhi Police, working in conjunction with the DGCA, have initiated their own investigation to determine the origin of the metal pieces. A technical team is set to analyze whether the fragments are associated with the aircraft in question. As the investigation continues, a case has been filed with the airport authority to address the matter.