Japan’s Ministry of Land, Infrastructure, Transport and Tourism (MLIT) has issued a strict warning to Japan Transocean Air (JTA).
During on-site inspections conducted in Miyako and Naha between November 5 and 7, 2025, authorities confirmed that maintenance records, which are required to be created when work involves multiple mechanics or when work is handed over at shift changes, had not been prepared. Over the past two years, 170 similar cases were found. According to MLIT, confirmation of the aircraft logbooks and other records showed that there were no issues with the airworthiness of the aircraft.
In addition, the confirmations required by Japan’s Civil Aeronautics Act after maintenance work had not been conducted, as the records that should have been created in the first place were left unprepared.
MLIT stated that these actions constitute violations of the operations manual and maintenance regulations approved under the Civil Aeronautics Act, and that the fact multiple mechanics repeatedly engaged in such violations indicates malicious non-compliance. The ministry has requested that JTA submit a report on measures to prevent recurrence by February 27.
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