A319 / A320, Naha Okinawa Japan, 2012

A319 / A320, Naha Okinawa Japan, 2012

Summary

On 5 July 2012, an Airbus A319 entered its departure runway at Naha without clearance ahead of an A320 already cleared to land on the same runway. The A320 was sent around. The Investigation concluded that the A319 crew - three pilots including one with sole responsibility for radio communications and a commander supervising a trainee Captain occupying the left seat - had misunderstood their clearance and their incorrect readback had not been detected by the TWR controller. It was concluded that the controller's non-use of a headset had contributed to failure to detect the incorrect readback.

Description

On 5 July 2012, an Airbus A319 (B2332) being operated by China Eastern Airlines a scheduled international passenger flight from Naha to Shanghai (as CES2046) taxied onto runway 18 for departure in day VMC contrary to its ATC clearance when an Airbus A320 being operated by Air Asia Japan (as JA01AJ) on a test flight from Tokyo Narita to Naha was on final approach to the same runway and had been cleared to land on it. ATC observed the incursion and instructed the A320 to go around, which it did.

Investigation

An Investigation was carried out by the Japan Transport Safety Board (JTSB). The DFDR data from both aircraft and ATC recordings of radar and radio communications were used to help establish the factual basis for the Investigation. It was found that relevant data from the 2 hour CVRs from both aircraft had been overwritten. The data from an MLAT system which had been under "operational evaluation" at the time of the incursion was also available.

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