S7 B738 at Chita on Aug 15th 2020, two go arounds due to defective ILS

Last Update: September 12, 2020 / 11:17:15 GMT/Zulu time

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Incident Facts

Date of incident
Aug 15, 2020

Classification
Incident

Flight number
S7-5223

Destination
Chita, Russia

Aircraft Registration
VQ-BRQ

Aircraft Type
Boeing 737-800

ICAO Type Designator
B738

Airport ICAO Code
UIAA

A S7 Sibir Airlines Boeing 737-800, registration VQ-BRQ performing flight S7-5223 from Novosibirsk to Chita (Russia), was on final automatic ILS approach to Chita's runway 29 in instrument meteorologic and night conditions at 08:09L (23:09Z Aug 14th) when tower informed the crew that the ILS had encountered a problem. The crew initiated a go around, entered a hold, attempted a second approach about 30 minutes later and descended along the ILS to decision height but could not establish visual contact with the runway, went around and subsequently diverted to Ulan-Ude (Russia) climbing to FL220 enroute. The aircraft landed safely in Ulan Ude.

On Sep 12th 2020 Rosaviatsia reported the localizer beacon failure was caused by the malfunction of localizer antenna 7 as result of a fracture of the copper conductor from the high frequency connector to the antenna.

Position data received from the aircraft via ADS-B suggest the aircraft had not deviated from the extended center line or the glidepath on either approach.

Related NOTAMs:
A5589/20 NOTAMN
Q) UIII/QPILT/I/NBO/A/000/999/5202N11318E015
A) UIAA B) 2008150130 C) 2008152359
E) RWY 29: ILS APCH U/S DUE TO LOC OPR FAILURE.

A5596/20 NOTAMN
Q) UIII/QILAS/I/NBO/A/000/999/5202N11318E015
A) UIAA B) 2008152330 C) 2008222100
E) RWY 29: ILS GP U/S.

Metars:
UIAA 150000Z VRB01MPS 9999 BKN003 13/13 Q1005 R29/CLRD70 NOSIG RMK QBB090 MT OBSC QFE695/0927=
UIAA 142330Z 18001MPS 9000 BKN002 13/12 Q1005 R29/CLRD70 NOSIG RMK QBB060 MT OBSC QFE695/0927=
UIAA 142300Z 17002MPS 9999 0900SW BCFG BKN002 12/12 Q1005 R29/CLRD70 NOSIG RMK QBB060 MT OBSC QFE695/0927=
UIAA 142230Z 17001MPS 6000 BKN001 12/12 Q1005 R29/CLRD70 NOSIG RMK QBB050 MT OBSC QFE696/0928=
UIAA 142200Z 23001MPS 0900 0350SE R29/0450N FG VV002 12/11 Q1005 R29/CLRD70 NOSIG RMK QBB060 MT OBSC QFE696/0928=
UIAA 142130Z VRB01MPS 9999 VCFG OVC002 12/11 Q1005 R29/CLRD70 BECMG 0400 FG VV001 RMK QBB070 MT OBSC QFE695/0927=
UIAA 142100Z VRB01MPS 9999 VCFG BKN005 11/11 Q1004 R29/CLRD70 BECMG 0400 FG VV001 RMK QBB170 MT OBSC QFE695/0927=
UIAA 142030Z 27001MPS 9999 SCT007 11/10 Q1004 R29/CLRD70 NOSIG RMK QBB220 MT OBSC QFE695/0927=
UIAA 142000Z VRB01MPS 9999 FEW006 10/09 Q1004 R29/CLRD70 NOSIG RMK QBB200 MT OBSC QFE695/0927=
UIAA 141930Z 29001MPS 9999 NSC 09/08 Q1004 R29/CLRD70 NOSIG RMK QFE695/0927=
UIAA 141900Z 27001MPS 9999 NSC 09/09 Q1004 R29/CLRD70 NOSIG RMK QFE695/0927=
Incident Facts

Date of incident
Aug 15, 2020

Classification
Incident

Flight number
S7-5223

Destination
Chita, Russia

Aircraft Registration
VQ-BRQ

Aircraft Type
Boeing 737-800

ICAO Type Designator
B738

Airport ICAO Code
UIAA

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