EAT Leipzig A306 at Brussels on Nov 26th 2020, rejected takeoff above V1 due to difficulties becoming airborne

Last Update: January 29, 2021 / 16:19:36 GMT/Zulu time

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Incident Facts

Date of incident
Nov 26, 2020

Classification
Incident

Flight number
QY-841

Destination
Vitoria, Spain

Aircraft Registration
D-AEAI

Aircraft Type
Airbus A300

ICAO Type Designator
A306

Airport ICAO Code
EBBR

An EAT Leipzig Airbus A300-600 freighter on behalf of DHL, registration D-AEAI performing flight QY-841 from Brussels (Belgium) to Vitoria,SP (Spain), was accelerating for takeoff from Brussels' runway 25R at about 18:11L (17:11Z) when the crew rejected takeoff at high speed (approx. 150 knots over ground). The aircraft slowed and stopped on the runway about 360 meters/1200 feet short of the runway end (about 2920 meters/9600 feet after the start of the takeoff roll), however, was disabled with deflated main tyres. Emergency services responded and attended to the aircraft.

The runway returned to service at around 04:31L (03:31Z) about 10:20 hours after the occurrence.

The airport reported "Following a technical incident runway 25R has not been available. Runway 19 is used for departures and runway 25L for landings."

Belgium's AAIU opened an investigation into the occurrence.

The airline reported the crew encountered difficulties to takeoff prompting them to reject takeoff during rotation when the nose gear had already become airborne. At that point the crew checked their airspeed, it was still slow enough to reject takeoff. Due to the heavy braking 8 tyres deflated. The cause of the problems to become airborne are under investigation, however, it certainly was no problem with the cargo.

On Dec 3rd 2020 the Belgium AAIU stated the crew reported a normal acceleration of the aircraft during the takeoff roll. During rotation the nose did pitch up, however, the aircraft did not lift off. The crew rejected takeoff, applied reverse thrust and brought the aircraft to a stop between taxiways A6 and A7. The occurrence was rated a serious incident and is being investigated.

On Jan 28th 2021 Germany's BFU reported in their November bulletin that the aircraft was accelerating for takeoff when the crew felt vibrations just prior to V1. The aircraft increased pitch upon rotation, but did not lift off prompting the captain to reject takeoff. The aircraft came to a stand still on the runway, as result of the heat developed by the brakes all main tyres deflated. The BFU assists the investigations in accordance with ICAO Annex 13 representing the state of registry.

On Jan 29th 2021 The Aviation Herald received information, that SOP at the operator require to turn the trim to +1.0 trim units (1 unit nose up) after landing. In the morning before the incident flight maintenance worked on the aircraft and rolled the trim to -1.1 units (1.1 units nose down). The load sheet computed a trim setting of +1.1 units for departure. While the load sheet used the +/- notation, the trim itself only shows UP and DN, both +1.1 and -1.1 units are within the green band of the trim settings for takeoff, the crew thus missed that the trim was at -1.1 units instead of the required +1.1 units and experienced a very high pitch force during takeoff rotation. The pitch trim is only checked once during working the pre-departure and takeoff checklists, shortly before V1 the crew experienced vibrations drawing the crew attention to the engine parameters. Being above V1 and Vr there was time pressure in decision making. Post non-flight examination did not find any technical anomaly. In simulations it was determined that all pilots exposed to the simulation felt significantly higher pitch forces in this scenario, most crews were not aware of the effects of the wrong trim setting.

Related NOTAMs:
A3555/20 NOTAMN
Q) EBBU/QMRLC/IV/NBO/A /000/999/5054N00429E005
A) EBBR B) 2011261730 C) 2011261815
E) RWY 07L/25R CLSD DUE TO WIP, NO PPR

A3556/20 NOTAMR A3555/20
Q) EBBU/QMRLC/IV/NBO/A /000/999/5054N00429E005
A) EBBR B) 2011261800 C) 2011262015
E) RWY 07L/25R CLSD

A3558/20 NOTAMR A3556/20
Q) EBBU/QMRLC/IV/NBO/A /000/999/5054N00429E005
A) EBBR B) 2011261920 C) 2011270200
E) RWY 07L/25R CLSD
Metars:
EBBR 261850Z 11002KT CAVOK 07/06 Q1019 NOSIG=
EBBR 261820Z VRB02KT CAVOK 08/05 Q1020 NOSIG=
EBBR 261750Z 07001KT CAVOK 09/06 Q1020 NOSIG=
EBBR 261720Z 04001KT CAVOK 08/06 Q1020 NOSIG=
EBBR 261650Z VRB01KT CAVOK 09/07 Q1019 NOSIG=
EBBR 261620Z 12002KT CAVOK 09/07 Q1019 NOSIG=
EBBR 261550Z 05001KT CAVOK 09/07 Q1019 TEMPO 4500 BR=
EBBR 261520Z 08003KT CAVOK 10/07 Q1019 NOSIG=
EBBR 261450Z 05004KT CAVOK 10/07 Q1019 NOSIG=
EBBR 261420Z 02002KT CAVOK 10/07 Q1020 NOSIG=

Trim showing -1.1 units:


Trim showing required +
Incident Facts

Date of incident
Nov 26, 2020

Classification
Incident

Flight number
QY-841

Destination
Vitoria, Spain

Aircraft Registration
D-AEAI

Aircraft Type
Airbus A300

ICAO Type Designator
A306

Airport ICAO Code
EBBR

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