S7 A319 at Ekaterinburg on Nov 4th 2012, unreliable airspeed leads to flap overspeed
Last Update: November 7, 2012 / 14:50:18 GMT/Zulu time
Incident Facts
Date of incident
Nov 4, 2012
Classification
Incident
Airline
S7 Airlines
Flight number
S7-59
Departure
Moscow Sheremetyevo, Russia
Destination
Ekaterinburg, Russia
Aircraft Registration
VP-BHQ
Aircraft Type
Airbus A319
ICAO Type Designator
A319
Rosaviatsia reported that the investigation revealed the flap limit speed had been exceeded during the attempted stall recovery. The cause of the false speed indication was not mentioned however.
Radar data show the aircraft had been holding at 200 and 230 knots (upwind and downwind) over ground, during the recovery (downwind) the speed increased to above 280 knots over ground while the aircraft descended to FL064. The aircraft subsequently climbed to about FL071 before settling briefly at FL070 at about 230 knots over ground. The aircraft then descended and positioned for the approach following the event.
Metars:
USSS 041730Z 13004MPS 9999 OVC028CB M01/M03 Q1018 NOSIG RMK QFE744 5829//50
USSS 041700Z 14004MPS 9999 OVC027CB M01/M03 Q1019 NOSIG RMK QFE744 5829//50
USSS 041630Z 14003MPS 9999 OVC023 M01/M03 Q1019 NOSIG RMK QFE744 5829//50
USSS 041600Z 14004MPS 9999 FEW013 OVC031 M01/M03 Q1019 NOSIG RMK QFE745 5829//50
USSS 041530Z 13004MPS 9999 OVC031 M01/M03 Q1019 NOSIG RMK QFE745 5829//50
USSS 041500Z 12004MPS 9999 OVC033 M01/M03 Q1019 NOSIG RMK QFE745 5829//50
USSS 041430Z 11003MPS 9999 OVC036 M01/M03 Q1019 NOSIG RMK QFE745 5829//50
USSS 041400Z 11003MPS 9999 OVC038 M01/M03 Q1020 NOSIG RMK QFE745 5829//50
USSS 041330Z 13003MPS CAVOK M01/M03 Q1020 NOSIG RMK QFE744 2629//50
USSS 041300Z 12003MPS CAVOK M01/M03 Q1020 NOSIG RMK QFE745 2629//50
Incident Facts
Date of incident
Nov 4, 2012
Classification
Incident
Airline
S7 Airlines
Flight number
S7-59
Departure
Moscow Sheremetyevo, Russia
Destination
Ekaterinburg, Russia
Aircraft Registration
VP-BHQ
Aircraft Type
Airbus A319
ICAO Type Designator
A319
This article is published under license from Avherald.com. © of text by Avherald.com.
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