Braathens AT72 at Helsinki on Feb 22nd 2013, temporary stall and loss of control went unreported
Last Update: March 26, 2013 / 14:37:02 GMT/Zulu time
Incident Facts
Date of incident
Feb 22, 2013
Classification
Incident
Airline
Braathens Reginal Airlines
Flight number
DC-4354
Departure
Helsinki, Finland
Destination
Vaasa, Finland
Aircraft Registration
SE-MDI
Aircraft Type
ATR ATR-72-200
ICAO Type Designator
AT72
Finland's Onnettomuustutkintakeskus (Accident Investigation Board of Finland AIBF) reported, Finland's Civil Aviation Authority and the AIBF were informed about the event by a passenger about a week later. The AIBF received a safety report from the incident crew this month (March). The investigation proves difficult as all data pertinent to the flight (flight data recorder, cockpit voice recorder) are no longer available, the AIBF however anticipates data off the flight data monitoring due to arrive shortly will permit some more knowledge about the sequence of events next week (starting April 1st) and will permit an assessment how serious the event was. Sweden's Civil Aviation Authority, Finland's CAA, AIBF and Sweden's Haverikommission (SAIB) are cooperating in the investigation.
Sources had told The Aviation Herald, that the aircraft had not been de-iced prior to departure. Shortly after becoming airborne, while retracting the flaps, one wing of the aircraft stalled resulting in the aircraft losing height and reaching a large bank angle. The crew was able to recover the aircraft and continued the flight to destination without mentioning the occurrence, obviously believing they had encountered wake turbulence. Some time later an off duty pilot, travelling as passenger on the aircraft, reported the event to authorities, which resulted in the SAIB to open an investigation into the occurrence.
Metars:
EFHK 221450Z 06002KT 5000 -SN FEW006 BKN010 BKN036 M02/M03 Q1024 NOSIG=
EFHK 221420Z 00000KT 3800 -SN FEW008 BKN050 M02/M03 Q1024 BECMG 5000=
EFHK 221350Z 00000KT 3800 -SN SCT011 BKN040 M02/M03 Q1023 BECMG 5000=
EFHK 221320Z 00000KT 5000 -SN BKN011 BKN035 M02/M03 Q1023 NOSIG=
EFHK 221250Z 00000KT 6000 -SN BKN011 M02/M03 Q1023 NOSIG=
EFHK 221220Z 00000KT 9999 -SN BKN011 M02/M03 Q1023 NOSIG=
EFHK 221150Z 21001KT 7000 -SN FEW008 BKN014 BKN040 M02/M03 Q1023 BECMG 9999 BKN015=
EFHK 221120Z 00000KT 4500 -SN FEW009 BKN012 M01/M04 Q1023 TEMPO 5000 SCT015 BKN040=
EFHK 221050Z 00000KT 9999 -SN FEW008 BKN012 BKN045 M01/M04 Q1023 BECMG 6000 SCT015 BKN040=
EFHK 221020Z VRB01KT 9999 -SN SCT008 BKN013 M01/M04 Q1023 TEMPO 6000 BKN015=
EFHK 220950Z VRB01KT 9999 -SN SCT007 BKN014 M02/M04 Q1023 TEMPO 6000 BKN015=
EFHK 220920Z 26003KT 9999 BKN006 BKN065 M03/M04 Q1023 TEMPO SCT005 BKN050=
Incident Facts
Date of incident
Feb 22, 2013
Classification
Incident
Airline
Braathens Reginal Airlines
Flight number
DC-4354
Departure
Helsinki, Finland
Destination
Vaasa, Finland
Aircraft Registration
SE-MDI
Aircraft Type
ATR ATR-72-200
ICAO Type Designator
AT72
This article is published under license from Avherald.com. © of text by Avherald.com.
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