Aviation

Finnair is the cleanest airline in the world according to new study .!

Finnair’s first A350 XWB makes its maiden flight

The study was conducted by Dr Frederik Dahlmann, an assistant professor of global energy at Warwick Business School, using data recorded between 2007 and 2014 as part of the Carbon Disclosure Project.

Seven-year study finds most airlines greenhouse gas emission are growing
Finnair has the smallest carbon footprint out of 20 major airlines
US carriers American Airlines, US Airways and Delta biggest polluters
Call for more transparency from airlines to study greenhouse gas emissions

Finland’s Finnair and TAP Portugal have emerged as the two least polluting carriers in a study of 20 of the world’s biggest airlines.

A study of the greenhouse gas emissions produced by the airline industry from 2007 to 2014 revealed none are showing a significant reduction over the seven years for those that provided the data.

In the study Finnair had the smallest carbon footprint in 2014, with TAP Portugal and Virgin Australia in the top three least polluting airlines, while American Airlines, following its merger with US Airways in 2013, had the largest footprint in the study with fellow US carriers Delta and United Airlines also large polluters in this sample.

Frederik Dahlmann, of Warwick Business School who conducted the study, said: “Finnair perform best due to the age and type of its planes, the routes it flies and the overall number of connections it offers. Plus it is probably among the most advanced when it comes to accounting for and managing its emissions over time.

Airlines pollution

“The data demonstrates that for most airlines emissions are either growing or stagnant, none are showing a significant reduction in CO2 emissions.

“This is despite many airlines introducing modern and more efficient planes to their fleet. The increasing number of flights, which is set to double by 2030, means cutting emissions is a real problem.

“Releasing details about carbon footprints is entirely voluntary, there is no obligation for airlines to disclose this data, so we have only been able to collect data for 20 major airlines. There are more than 200 international airline companies, but many would not provide the data.

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Aviation

Lost Tool Found in Qantas A380 After 34 Flights

An Australian Transportation Safety Bureau (ATSB) investigation recently revealed that a Qantas A380 operated 34 flights with a 1.25-meter nylon tool lodged in one of its engines.

This turning tool, used during borescope inspections to rotate the intermediate-pressure compressor, was left behind during scheduled maintenance at Los Angeles on December 6, 2023. It remained inside the engine until it was discovered by maintenance staff during a subsequent check at Los Angeles on January 1, 2024.

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The ATSB report highlights two critical lapses. First, maintenance engineers failed to notice the tool during final checks for foreign objects after the borescope inspection. Second, the lost tool procedure was not activated when the tool was identified as missing.

The certifying engineer ultimately cleared the aircraft for service without accounting for the misplaced tool. During the time qantas films the tool was inside, the A380 completed 34 flight cycles, accumulating nearly 294 hours without any noticeable effect on engine performance.

Although the tool was deformed by high-energy airflow within the engine, there was no reported damage to the engine itself. ATSB Chief Commissioner Angus Mitchell commented.

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“This incident underscores the importance of following established maintenance protocols. Engineers missed the tool during foreign object checks, and the required lost tool procedure wasn’t started after realizing the tool was missing.”

Following the investigation, the airline issued a safety directive, urging all engineering and tool storage teams to adhere strictly to these protocols to prevent similar incidents in the future.

A qantas spokesperson stated, “While the tool didn’t impact engine performance, we take this incident very seriously. It is critical to follow the correct lost tool procedures.”