Baltic BCS3 at Copenhagen on Jul 11th 2021, both engines shut down automatically on touch down
Last Update: August 25, 2021 / 10:51:01 GMT/Zulu time
Incident Facts
Date of incident
Jul 11, 2021
Classification
Incident
Airline
Air Baltic
Flight number
BT-139
Departure
Riga, Latvia
Destination
Copenhagen, Denmark
Aircraft Registration
YL-AAQ
Aircraft Type
Airbus A220-300
ICAO Type Designator
BCS3
The aircraft is still on the ground in Copenhagen about 4 days later.
On Jul 26th 2021 the Canadian TSB reported:
On top of the descent to EKCH, the flight crew disengaged the Auto Throttle (AT) and extended the flight spoilers to reduce speed of the aircraft. The right-hand throttle fail Master Caution light came on a few seconds after the AT disengaged. The right-hand throttle fail abnormal checklist was completed and the approach continued. After touch down with both main landing gear on the ground, both engines shutdown.
The aircraft came to full stop on the taxiway and was towed to the gate. The Accident Investigation Board of Denmark delegated the investigation to the TSB, as per ICAO Annex 13. The TSB opened a Class 3 investigation.
On Aug 25th 2021 the Danish Havarikommissionen (HCL) released their final note confirming the investigation has been delegated to the Canadian TSB and added the following tag line: "A safety feature unknown to the pilots and operator stopped both engines immediately after landing on the runway". The HCL summarized the sequence of events:
When the aircraft began the descent inbound EKCH, with the autopilot and the autothrottle engaged, the flight crew retarded the thrust levers to the idle position resulting in a disengagement of the autothrottle.
Shortly after the disengagement of the autothrottle, the R THROTTLE FAIL master caution light illuminated. The flight crew performed the applicable Non-normal Airplane Flight Manual procedure.
Upon touchdown, with both main landing gears on the ground, an uncommanded dual engine shutdown occurred.
The flight crew maintained aircraft control, vacated the runway and came to a full stop on the taxiway.
There were no injuries.
The serious incident occurred in daylight and under Visual Meteorological Conditions (VMC).
Damage to aircraft: None.
Incident Facts
Date of incident
Jul 11, 2021
Classification
Incident
Airline
Air Baltic
Flight number
BT-139
Departure
Riga, Latvia
Destination
Copenhagen, Denmark
Aircraft Registration
YL-AAQ
Aircraft Type
Airbus A220-300
ICAO Type Designator
BCS3
This article is published under license from Avherald.com. © of text by Avherald.com.
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