Aeroflot B773 at Moscow on Dec 18th 2019, at about 410 feet AGL about 4.7nm before runway

Last Update: February 13, 2020 / 21:27:35 GMT/Zulu time

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Incident Facts

Date of incident
Dec 18, 2019

Classification
Incident

Airline
Aeroflot

Flight number
SU-209

Aircraft Registration
VQ-BUA

Aircraft Type
Boeing 777-300

ICAO Type Designator
B773

Airport ICAO Code
UUEE

An Aeroflot Boeing 777-300, registration VQ-BUA performing flight SU-209 from Shanghai Pudong (China) to Moscow Sheremeteyevo (Russia), was on a final ILS approach to Sheremetyevo's (new) runway 24R when during the turn to intercept the localizer the aircraft descended to 411 feet AGL about 4.7nm before the runway threshold. The crew initiated a go around following a GPWS warning, positioned for a second approach and landed safely about 15 minutes after the go around.

Nearby residents had reported on Dec 18th 2019, that the aircraft had been as low as the 6th floor of their high rise buildings, when the aircraft climbed away again causing extreme noise and vibrations.

On Feb 13th 2020 Rosaviatsia responded in a letter to Aeroflot, that according to a fact check it was established the Boeing 777 had received a GPWS warning while on approach to Sheremetyevo's runway 24R and had gone around. The descent below the vertical profile was caused by the capture of a false glideslope by the aircraft systems. The analysis of the flight data recorder established a violation of the minimum safe altitude while on approach to runway 24R. Rosaviatsia acknowledged internal investigation results by Aeroflot that both flight crew had improperly performed the required procedures, the captain was dismissed, the first officer was reprimanded. Rosaviatsia trusts that the works to implement technologies so that ATC can inform flight crews about deviations from the flight path is being completed. Additional technical means are to be introduced to monitor the maneouvering area of Sheremetyevo's runway 3 (06L/24R).

Sheremetyevo's new runway 06L/24R had been opened and received first flights on Sep 19th 2019.

According to Mode-S data transmitted by the aircraft the aircraft had descended to 1054 feet MSL. The actual Mode-S altitude reading was 1225 feet, with this value corrected for QNH the aircraft was at 1054 feet MSL and 411 feet AGL (ground elevation 643 feet) at that point.



Metars:
UUEE 181500Z 21005MPS 4200 BR OVC003 05/04 Q1005 R88/290051 NOSIG=
UUEE 181430Z 21006MPS 4800 BR OVC003 04/04 Q1006 R88/290051 TEMPO 1400 BR=
UUEE 181400Z 20005MPS 170V240 5000 BR OVC002 04/04 Q1007 R88/290051 TEMPO 1400 BR=
UUEE 181330Z 18006MPS 150V230 4400 BR OVC002 04/04 Q1007 R88/290051 TEMPO 1400 BR RMK QBB060=
UUEE 181300Z 18006MPS 150V210 5000 BR OVC002 04/03 Q1007 R88/290051 TEMPO 1400 BR=
UUEE 181230Z 18006MPS 9000 OVC003 04/03 Q1008 R88/290051 NOSIG=
UUEE 181200Z 17005MPS 140V200 9000 OVC003 03/03 Q1008 R88/290051 NOSIG=
UUEE 181130Z 19004MPS 150V220 8000 -SHRA SCT003 BKN017CB 03/03 Q1009 R88/290051 NOSIG=
UUEE 181100Z 17004MPS 130V210 6000 -SHRA SCT004 BKN026CB 03/03 Q1009 R88/290051 NOSIG=
UUEE 181030Z 17004MPS 6000 -RA OVC003 03/03 Q1010 R24C/290051 R24R/290051 NOSIG=
UUEE 181000Z 17004G09MPS 070V200 6000 -RA OVC004 03/03 Q1010 R24L/290051 R24R/290051 NOSIG=
Incident Facts

Date of incident
Dec 18, 2019

Classification
Incident

Airline
Aeroflot

Flight number
SU-209

Aircraft Registration
VQ-BUA

Aircraft Type
Boeing 777-300

ICAO Type Designator
B773

Airport ICAO Code
UUEE

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