Iceland B752 at Keflavik on Oct 19th 2016, performed approach below profile

Last Update: December 29, 2016 / 12:00:13 GMT/Zulu time

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Incident Facts

Date of incident
Oct 19, 2016

Classification
Incident

Airline
Icelandair

Flight number
FI-431

Aircraft Registration
TF-ISR

Aircraft Type
Boeing 757-200

ICAO Type Designator
B752

Airport ICAO Code
BIKF

An Icelandair Boeing 757-200, registration TF-ISR performing flight FI-431 from Glasgow,SC (UK) to Keflavik (Iceland), was on a RNAV approach to Keflavik's runway 19 about 2.9nm before touchdown when the aircraft went around at about 875 feet indicated by the transponder (see below, which equated to 400 feet MSL). The aircraft positioned for another approach to runway 11 and landed safely about 30 minutes after the go around.

At the time of the go-around at 15:14Z the QNH was 996 millibars, which means the transponder, always showing the altitude corresponding to a standard altimeter setting of 1013.25millibars, showed 145 meters/475 feet too high, therefore 875 feet indicated by the transponder equates to 400 feet MSL (corrected to ambient pressure). 875 feet would have been exactly on a 3 degrees glideslope for runway 19, the aircraft however had passed the FAP/FAF at 2300 feet transponder altitude (=1825 feet MSL) on vertical profile. At the FAF runway 19 the transponder reported a speed over ground of 86 knots, at the go-around a speed of 105 knots over ground, during the second approach to runway 11 the speed over ground was reported between 108 and 116 knots by the transponder.

Metars:
BIKF 191630Z 15035G45KT 2000 R11/P1500N RA SCT003 BKN006 OVC009 10/10 Q0995=
BIKF 191600Z 15034G44KT 2000 R11/P1500N RA SCT004 BKN006 OVC010 10/10 Q0996=
BIKF 191530Z 14035G48KT 2000 RA SCT004 BKN007 OVC010 10/10 Q0996=
BIKF 191500Z 14035G45KT 2000 -RA SCT004 BKN007 OVC011 10/10 Q0997=
BIKF 191430Z 14033G45KT 2000 -RA FEW004 BKN006 BKN010 10/10 Q0998=
BIKF 191400Z 14035G46KT 2000 RA FEW005 BKN007 BKN011 10/10 Q0998=
BIKF 191330Z 14034G49KT 2000 RA FEW005 BKN007 BKN011 10/10 Q0998=
BIKF 191300Z 14035G47KT 2000 RA FEW006 BKN009 BKN011 10/10 Q0999=
Incident Facts

Date of incident
Oct 19, 2016

Classification
Incident

Airline
Icelandair

Flight number
FI-431

Aircraft Registration
TF-ISR

Aircraft Type
Boeing 757-200

ICAO Type Designator
B752

Airport ICAO Code
BIKF

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