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South Korea jet crash puts fast-growing Jeju Air's safety under analysis

Before it suffered the most dangerous crash in South Korea's history, spending plan airline Jeju Air was moving quickly: racking up record passenger numbers and flying its aircraft more than domestic competitors and a lot of its worldwide peers, data reveal.

The high utilisation rate of Jeju Air's aircrafts - the number of hours they fly in a day - is not problematic in itself, professionals state, however suggests scheduling sufficient time for required upkeep is vital.

Authorities have suggested a bird strike contributed to the mishap, but as part of their probe into the occurrence aboard Boeing 737-800, police have raided the airline companies' Seoul office to seize files associated with the operation and maintenance of the plane.

You're literally looking at everything, said aviation security and crash examination professional Anthony Brickhouse. You're going to start off with their mishap history and security history. What sort of occasions have they had in the past, what happened, what was done to correct the issues?

Jeju Air informed Reuters that it did not neglect upkeep procedures which it would step up its safety efforts. The Dec. 29 crash, which killed 179 people, was the airline's very first deadly accident given that its 2005 founding and the first for any Korean airline in more than a years.

The business's CEO, Kim E-bae - who has actually been barred from travelling overseas during the investigation - informed a news conference last week that Jeju's upkeep remains in line with regulatory requirements and that there were no upkeep concerns with the doomed jet during pre-flight inspection.

He acknowledged the airline's safety measures had actually not been sufficient in the past, however said enhancements had been made.

The authorities have not said bad maintenance contributed to the crash and the precise scenarios behind the disaster remain unclear.

Besides the reported bird strike, authorities are looking into why the pilot might have hurried a second landing attempt after declaring an emergency, and why the landing equipment was not released.

Investigators have recuperated the cockpit and flight information recorders but have not released any information.

The country's transportation regulator is checking all 101 737-800s in South Korea - more than a 3rd of which are run by Jeju Air - focusing on how frequently and how well the planes were kept, to name a few factors to consider.

Although it had actually taped no violations in the last 2 years, it was struck with more fines and suspensions for aviation law breaches than any of its domestic competitors in 2020-2022, simply throughout and after the COVID-19 pandemic, records reveal.

According to transport ministry information on major airlines from 2020 to August 2024, Jeju Air was struck by about 2.3 billion won ($ 1.57 million) in fines and the impacted airplane were stayed out of operation for a total of 41 days, according to Reuters calculations based on the information.

The next-most penalized airline company, T'way Air, had 2.1 billion won in fines and four days of suspended operation during that period.

Jeju Air flies its aircrafts more than any other significant airline company in the country, information show, and also exceeds most worldwide peers such as Ireland's Ryanair and Malaysia's AirAsia.

Jeju Air 7C2216 was flying from the Thai capital of Bangkok to Muan in southwestern South Korea at night when it belly-landed, overshot the runway and burst into flames after hitting an embankment. The airplane flew every day in 2024, according to flight data reviewed .

UTILISATION RATES

High utilisation rates are treasured in the market as an indication of financial efficiency, especially at low-cost carriers, specialists state.

Jeju Air, which ranks behind only Korean Air and Asiana Air in regards to traveler volumes in the nation, saw record numbers from January to December 2024, according to transport ministry information.

Its regular monthly utilisation hours for traveler jets almost doubled to 412 in 2023 from 2022, greater than Korean Air at 332 hours and Asiana Airlines at 304 hours, according to stock exchange filings.

T'way balanced 366 hours monthly in traveler and freight jets combined, Jin Air balanced 349 hours, and Air Busan 319 hours, according to their filings.

In 2024, Jeju Air flew its airplanes more every day - 11.6 hours - than almost any other airline offering inexpensive tickets and flying just narrowbody airplane, according to information from air travel analytics company Cirium, which determines utilisation rates differently from the profits filings.

Only Saudi Arabia's Air Arabia flew its planes more - 12.5 hours a day. Vietnam's VietJet flew its airplanes 10 hours a day. Ryanair's typical use was 9.3 hours, while Malaysia's AirAsia was 9 hours. China's Spring Airlines flew 8 hours a day.

The utilisation itself is not an issue, said Sim Jai-dong, a professor of airplane maintenance at Sehan University in South Korea. But there could be higher tiredness for pilots, crew members and mechanics given the greater utilisation rates.

(source: Reuters)