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Safety-related information

Safety troubles and measures

A summary of past safety troubles and measures

FY2012

Passengers injured by sudden rocking of JL877
ATC instructed Japan Air Commuter Flight 3635 to enter runway
Engine trouble on Japan Airlines Flight 1471
A helicopter takes-off before Japan Air Commuter Flight 3745 vacates the runway
Runway excursion on Japan Airlines Flight 2837

Aircraft Accident

Fatal or serious injury of an person as a result of the operation of an aircraft, or an aircraft crash, collision or fire, as classified by the Japanese Ministry of Land, Infrastructure, Transport and Tourism (MLIT).

Passengers injured by sudden rocking of JL877
Outline On November 26, 2012, a passenger onboard JAL877 (Narita to Shanghai Pudong) fractured his right instep when the aircraft encountered turbulence while cruising.
Investigation into the cause Investigations were conducted by Japan Transport Safety Board of MLIT, and the results were announced on May 30, 2014. According to the report, the probable cause is the aircraft's encounter with turbulence that rocked the aircraft, and also considers that it was difficult to predict the occurrence of turbulence.

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Serious Incident

An incident involving circumstances indicating that there was a high probability of an accident, such as overrunning, emergency evacuation, fire or smoke inside the cabin and abnormal depressurization, encountering abnormal weather conditions, etc, as classified by the Japanese Ministry of Land, Infrastructure, Transport and Tourism (MLIT).

ATC instructed Japan Air Commuter Flight 3635 to enter runway
Outline On July 8, 2012 (Sun.) at Fukuoka Airport, while a small Cessna aircraft was making its approach after cleared for landing, Japan Air Commuter (JAC) flight 3635 was instructed by the air traffic controller on ATC to enter the runway and hold. Consequently JAC 3635 entered the runway. This case was classified as a Serious Incident by MLIT, as it corresponded to "an attempt to land on a runway used by another aircraft."
Investigation into the cause Investigations were conducted by Japan Transport Safety Board of MLIT, and the results were announced on April 26, 2013. According to the report, this incident was caused by the air traffic controller who had momentarily forgotten about the other aircraft.
Engine trouble on Japan Airlines Flight 1471
Outline

On October 20, 2012, JAL1471 (Haneda-Matsuyama) rolled slightly from side to side during climb after take-off from Haneda. And furthermore, the exhaust gas temperature gauge of the left engine suddenly rose. The flight crew shut down the left engine, then turned back to Haneda Airport on declaring an emergency to air traffic control. There were no injuries.

With inspection, damages were found in several high pressure turbines and low pressure turbines, and high pressure compressors.

This case was classified as a Serious Incident, as it corresponded to "engine damage (when large-scale damage occurs inside the engine)."

Investigation into the cause Japan Transport Safety Board, MLIT is investigating the cause of the incident. Japan Air Commuter is providing full cooperation with the investigations and implementing countermeasures.
A helicopter takes-off before Japan Air Commuter Flight 3745 vacates the runway
Outline

On October 31, 2012, Japan Air Commuter (JAC)3745 landed at Yakushima Airport and before it vacated the runway, a private helicopter waiting to depart from the runway actually took-off.

The Ministry of Land, Infrastructure, Transport and Tourism (MLIT) rated the occurrence a Serious Incident, because it corresponded to "take-off from a runway occupied by another aircraft".

None of the passengers or crew was injured.

Investigation into the cause Investigations were conducted by Japan Transport Safety Board of MLIT, and the results were announced on December 20, 2013. According to the report, the incident was caused by various factors of the helicopter side, such as the captain's assumption that there was no aircraft on the runway. It was confirmed that there were no problems on the JAC aircraft side.
Runway excursion on Japan Airlines Flight 2837
Outline

On December 25, 2012, after landing at Hanamaki Airport, nose tires of JAL2837 (operated by J-AIR) ran off the side of the runway while decelerating and the aircraft came to a halt. This incident was rated a Serious Incident by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), as it corresponded to 'runway excursion' (limited to when an aircraft is disabled to perform taxiing).

None of the passengers or crew was injured.

Investigation into the cause Japan Transport Safety Board, MLIT is investigating the cause of the incident. J-AIR is providing full cooperation with the investigations and implementing countermeasures.

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