MH370 departed from Kuala Lumpur International Airport at 12:41 AM local time, bound for Beijing Capital International Airport. The flight proceeded normally for the first 40 minutes.

Last Contact:
At 1:19 AM, the co-pilot communicated the final voice message, “Good night Malaysian Three Seven Zero.” Shortly afterward, the aircraft’s transponder was switched off, and the plane disappeared from civilian radar.

Unusual Flight Path:
Military radar later tracked the plane deviating from its planned route, turning west across the Malay Peninsula and heading towards the southern Indian Ocean. This deviation was not communicated to air traffic control and has raised many questions about what happened on board.

The Search Efforts

Initial Search:
The initial search focused on the South China Sea and Gulf of Thailand. However, as more data emerged, the search area expanded to the southern Indian Ocean, one of the most remote and challenging areas to search.

International Cooperation:
Countries including Australia, China, and the United States, among others, participated in the search. The Australian Transport Safety Bureau (ATSB) led much of the underwater search efforts, employing advanced sonar technology and underwater drones.

Debris Discoveries:
In July 2015, a significant breakthrough came when a flaperon from MH370 was found on Réunion Island. Subsequent discoveries of debris on the shores of Mozambique, Mauritius, Tanzania, and Madagascar confirmed that the aircraft had indeed crashed into the Indian Ocean.

Theories and Speculations

Mechanical Failure:
One theory suggests a catastrophic mechanical failure caused the loss of communication and the plane’s deviation from its course, ultimately leading to its crash.

Pilot Intervention:
Another theory posits that one of the pilots deliberately diverted the plane. The deliberate disabling of communication systems and the plane’s unusual flight path lend some credence to this theory.

Hypoxia:
Some experts believe that a sudden loss of cabin pressure caused hypoxia (oxygen deprivation), incapacitating everyone on board and leaving the plane on autopilot until it ran out of fuel.

Hijacking or Terrorism:
While initially considered, the lack of any credible claim of responsibility or evidence has made this theory less likely over time.

Ongoing Efforts and Impact

Suspended Search:
Despite covering over 120,000 square kilometers, the search efforts led by ATSB and private company Ocean Infinity have not located the main wreckage. The official search was suspended in January 2017, although private efforts continue.

Aviation Safety Improvements:
The disappearance of MH370 has led to significant changes in aviation safety protocols. New standards require planes to report their position more frequently, especially in distress situations. The International Civil Aviation Organization (ICAO) has also implemented measures to ensure better tracking of aircraft.

Impact on Families:
The families of the passengers and crew continue to seek answers and closure. The lack of definitive information about the fate of their loved ones has been a source of ongoing pain and uncertainty.