Etihad B789 at Hong Kong on Sep 7th 2019, veered off localizer and descended below safe height on ILS approach

Last Update: March 9, 2020 / 21:33:53 GMT/Zulu time

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Incident Facts

Date of incident
Sep 7, 2019

Classification
Incident

Flight number
EY-834

Destination
Hong Kong, China

Aircraft Registration
A6-BLF

ICAO Type Designator
B789

Airport ICAO Code
VHHH

An Etihad Boeing 787-9, registration A6-BLF performing flight EY-834 from Abu Dhabi (United Arab Emirates) to Hong Kong (China) with 168 passengers and 11 crew, was intercepting Hong Kong's localizer 25R in a left turn about 15nm before the runway threshold at 10:41L (02:41Z) when the aircraft deviated to the right of the localizer and descended below Minimum Sector Altitude of 4300 feet MSL. The aircraft subsequently corrected and joined the localizer about 11mn before the runway threshold and continued for a landing on runway 25R without further incident.

Hong Kong's AAIA reported on Mar 4th 2020 under the headline "Loss of Control - Inflight", that the occurrence was rated a serious incident and is being investigated by the AAIA. The UAE GCAA as well as the US NTSB have been notified on Sep 20th 2019 after the AAIA got notice of the occurrence on Sep 9th 2019. The AAIA anticipates the investigation will last 12 months.

A similiar occurrence had happened in July 2019, see Incident: Ethiopian B788 at Hong Kong on Jul 18th 2019, loss of control on ILS approach.

Also see the later similiar incident Incident: Virgin Atlantic B789 at Hong Kong on Oct 18th 2019, deviated from localizer and descended below minimum safe altitude, which also shows a Boeing bulletin addressing the issue.

Metars:
VHHH 070400Z 26007KT 9999 FEW025 32/26 Q1004 NOSIG=
VHHH 070330Z 28007KT 9999 FEW025 32/26 Q1004 NOSIG=
VHHH 070300Z 29005KT 270V340 9999 FEW025 32/26 Q1004 NOSIG=
VHHH 070230Z 34005KT 9999 FEW025 32/26 Q1004 NOSIG=
VHHH 070200Z 35004KT 320V020 9999 FEW025 31/24 Q1005 NOSIG=
VHHH 070130Z 36003KT 330V030 9999 FEW025 31/25 Q1005 NOSIG=
VHHH 070100Z 35004KT 9999 FEW025 30/24 Q1005 NOSIG=
VHHH 070030Z VRB02KT 9999 FEW025 30/24 Q1005 NOSIG=
VHHH 070000Z 36003KT 9999 FEW025 30/24 Q1004 NOSIG=
VHHH 062330Z 18003KT 120V230 9999 FEW028 29/24 Q1004 NOSIG=
VHHH 062300Z 16004KT 100V220 9999 FEW028 28/23 Q1004 NOSIG=
VHHH 062230Z 17003KT 100V240 CAVOK 28/23 Q1004 NOSIG=
VHHH 062200Z VRB03KT CAVOK 28/23 Q1003 NOSIG=
Incident Facts

Date of incident
Sep 7, 2019

Classification
Incident

Flight number
EY-834

Destination
Hong Kong, China

Aircraft Registration
A6-BLF

ICAO Type Designator
B789

Airport ICAO Code
VHHH

This article is published under license from Avherald.com. © of text by Avherald.com.
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