Incident Overview

Date: Thursday 16 August 2018
Aircraft Type: Boeing 737-85C (WL)
Owner/operator: Xiamen Airlines
Registration Number: B-5498
Location: Manila-Ninoy Aquino International Airport (MNL) – ÿ Philippines
Phase of Flight: Landing
Status: Substantial
Casualties: Fatalities: 0 / Occupants: 165
Component Affected: Aircraft EngineAircraft Engine
Investigating Agency: AAIIBAAIIB
Category: Accident
A Xiamen Airlines flight 8667 experienced a runway excursion following landing at Manila-Ninoy Aquino International Airport, resulting in the aircraft deviating off the runway. The flight descended to FL180, entered a holding pattern, and ultimately touched down off the runway. The incident was triggered by a thunderstorm approaching the airport, leading to a critical engine separation. The primary cause was a combination of factors including a decision to continue an un-stabilized landing approach, inadequate visual reference due to weather, and a failure to follow established CRM practices. Specifically, the Captain’s decision to proceed with the landing without maintaining a stable approach, coupled with insufficient visual assessment, contributed to the accident.A Xiamen Airlines flight 8667 experienced a runway excursion following landing at Manila-Ninoy Aquino International Airport, resulting in the aircraft deviating off the runway. The flight descended to FL180, entered a holding pattern, and ultimately touched down off the runway. The incident was triggered by a thunderstorm approaching the airport, leading to a critical engine separation. The primary cause was a combination of factors including a decision to continue an un-stabilized landing approach, inadequate visual reference due to weather, and a failure to follow established CRM practices. Specifically, the Captain’s decision to proceed with the landing without maintaining a stable approach, coupled with insufficient visual assessment, contributed to the accident.

Description

Xiamen Airlines flight 8667, suffered a runway excursion after landing on runway 24 at Manila-Ninoy Aquino International Airport, Philippines. There were no injuries according to the airline. At 23:08 hours local time the flight had descended to FL180 towards Manila. It entered a holding pattern to the north-east of the airport for about 14 minutes before positioning for an approach to runway 24. The approach was aborted at 23:40 and the aircraft position for another approach. The aircraft touched down at 23:55 but went off the runway. At the time of the accident a thunderstorm was passing the airport. Photos from the scene seem to indicate that the no.1 (left hand) engine had separated from the wing after the excursion. Primary Cause Factors a. The decision of the Captain to continue the landing on un-stabilized approach and insufficient visual reference. – The Captain failed to maintain a stabilized landing approach moments before touchdown, the aircraft was rolling left and continuously drifting left of the runway centerline. – The Captain failed to identify correctly the aircraft position and status due to insufficient visual reference caused by precipitation. b. The Captain failed to apply sound CRM practices. – The Captain did not heed to the First Officer call for a Go-Around. Contributory Factors a. Failure to apply appropriate TEM strategies Failure of the Flight Crew to discuss and apply appropriate Threat and Error Management (TEM) strategies for the following: – Inclement weather. – Cross wind conditions during approach to land. – Possibility of low-level wind shear. – NOTAM information on unserviceable runway lights. b. Inadequate Company Policy on Go-Around – Company’s Standard Operation Procedures were less than adequate in terms of providing guidance to the flight crew for call out of “Go-Around” during landing phase of the flight. c. Runway strip inconsistent with CAAP MOS for Aerodrome and ICAO Annex 14 – The uneven surface and concrete obstacles contributed to the damage sustained by the aircraft

Source of Information

https://www.caap.gov.ph/?download=9119https://www.caap.gov.ph/?download=9119

Primary Cause

Insufficient visual reference due to precipitation, combined with the Captain’s decision to continue an un-stabilized landing approach and failure to apply sound CRM practices.Insufficient visual reference due to precipitation, combined with the Captain’s decision to continue an un-stabilized landing approach and failure to apply sound CRM practices.

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