United B738 at Boston on Jan 5th 2018, possible runway incursion

Last Update: January 7, 2018 / 15:57:29 GMT/Zulu time

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Incident Facts

Date of incident
Jan 5, 2018

Classification
Incident

Airline
United

Flight number
UA-1946

Aircraft Registration
N14240

Aircraft Type
Boeing 737-800

ICAO Type Designator
B738

A United Boeing 737-800, registration N14240 performing flight UA-1946 from Boston,MA to Newark,NJ (USA), had lined up Boston's runway 33L for departure and was cleared for takeoff from runway 33L when the crew reported they needed to taxi off the runway. Tower cancelled the takeoff clearance and instructed the aircraft to taxi down runway 33L hold short of runway 27 (tower needed to repeat the transmission on request by the crew), the instructions was properly acknowledged.

A Jetblue Embraer ERJ-190, registration N206JB performing flight B6-1154 from Washington National,DC to Boston,MA (USA), was on short final to runway 27, when tower instructed the B738 again to hold short of runway 27, about 5 seconds later again quite agitated "hold short runway 27", the crew replied "we are short of runway 27", tower instructed B6-1154 to go around however.

The E190 positioned for another approach and landed safely on runway 27 about 13 minutes after the go around.

The Boeing 737-800 returned to the apron, was able to depart later and reached Newark with a delay of 4:20 hours.

Boston Airport reported the United Boeing had entered the protected area of runway 27 which triggered an alarm in the tower, as result tower instructed the arriving Jetblue flight to go around as a precaution. The United actually did not reach the edge of runway 27.

United reported the Boeing stopped to avoid snow on the tarmac, the go around by Jetblue was unrelated and coincidental.

According to the Satellite Photos by Google there is no hold short line protecting runway 27 on the south side on runway 33L towards the threshold (however, there is a hold short line on the northern side). Similiarly, runway 33L does not have a hold short line in the east towards threshold runway 27, while there is a hold short line on the western side.

Metars:
KBOS 052354Z 27020G35KT 6SM BLSN SCT055 M13/M21 A2965 RMK AO2 PK WND 27038/2316 SLP038 T11281211 11100 21128 51029=
KBOS 052254Z 28025G36KT 6SM BLSN FEW050 FEW250 M13/M21 A2962 RMK AO2 PK WND 26039/2229 SLP030 T11281211=
KBOS 052154Z 28018G35KT 6SM BLSN FEW050 FEW250 M12/M21 A2959 RMK AO2 PK WND 26044/2112 SLP018 T11171211=
KBOS 052122Z 28020G33KT 6SM R04R/6000VP6000FT BLSN FEW050 SCT250 M12/M21 A2957 RMK AO2 PK WND 26044/2112 T11171206=
KBOS 052114Z 28022G44KT 2 1/2SM R04R/6000VP6000FT BLSN FEW002 M12/M21 A2957 RMK AO2 PK WND 26044/2112 TWR VIS 4 VIS 3/4 E T11171206=
KBOS 052054Z 27020G34KT 6SM BLSN FEW050 SCT250 M11/M21 A2956 RMK AO2 PK WND 27038/2016 SLP009 T11111206 53035=
Incident Facts

Date of incident
Jan 5, 2018

Classification
Incident

Airline
United

Flight number
UA-1946

Aircraft Registration
N14240

Aircraft Type
Boeing 737-800

ICAO Type Designator
B738

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