JAKARTA - The Ministry of Transportation (Kemenhub) has confirmed that the ATR 42-500 aircraft with the registration PK-THT belonging to Indonesia Air Transport (IAT) was in a fit state to fly when it carried out a flight from Yogyakarta to Makassar before it was finally reported missing on Saturday, January 17, 2026.
Director General of Air Transportation, Lukman F. Laisa, said that the examination of technical documents, maintenance reports, and crew health certificates showed that the aircraft and crew were in a condition that met operational requirements.
"Based on the data of supervision and the results of the aviation inspection, the ATR 42-500 aircraft with registration PK-THT has met the aviation requirements and undergone regular inspections in accordance with applicable regulations," Lukman said in an official statement, Monday, January 19.
Lukman detailed that all the crew members, including the pilot, flight attendants, and flight operations officers, had been declared healthy based on the latest Medical Examination (MEDEX).
It is recorded that Capt. Andy Dahananto and FO Yudha Mahardika hold a Class 1 health certificate with the last medical examination on July 28, 2025, declared FIT and valid until January 31, 2026.
Meanwhile, FO Yudha Mahardika (First Officer) has a Class 1 health certificate, with the last medical examination on August 15, 2025, declared FIT and valid until February 15, 2026.
Then, Hariadi (Flight Operations Officer/FOO) has a Class 3 health certificate, with the last medical examination on July 12, 2024, declared FIT and valid until July 12, 2026.
Then, Florencia Lolita (Flight Attendant) has a Class 2 health certificate, with the last medical examination on January 31, 2025, declared FIT and valid until January 31, 2026.
Meanwhile, Esther Aprilita Pinarsinta Sianipar (Flight Attendant) has a Class 2 health certificate, with the last medical examination on September 24, 2024, declared FIT and valid until September 24, 2026.
"There is no medical record that shows that the crew was not fit for health at the time of duty," he said.
Aircraft Inspection History
Lukman said the ATR 42-500 aircraft also underwent a number of important inspections, including a ramp check on November 19, 2025 in Manado, an extension of the airworthiness certificate on September 3, 2025, and a maintenance inspection by IAT operator on December 25, 2025.
Although the technical and health conditions were recorded to meet the standards, the Ministry of Transportation emphasized that it could not draw conclusions about the cause of the incident.
"All aspects related to the investigation process, including the factors causing the plane crash, are entirely the responsibility of the National Transportation Safety Committee (KNKT)," he said.
Lukman also said that initial indications showed that the weather conditions at the flight time were relatively good with a visibility of eight kilometers and a little cloudy. The follow-up data was submitted to KNKT and BMKG for analysis.
Furthermore, Lukman asked the public to be patient in waiting for the results of the official investigation and not to speculate or believe in reports that are not credible.
"The evacuation process is still being carried out by Basarnas together with the combined elements of the TNI/Polri and the support of the local community. Basarnas has established the Topo Bulu Post which is about 4.6 kilometers from the accident location," he said.
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