British Airways B772 at London on Jun 11th 2021, rejected takeoff due to unreliable speeds

Last Update: June 24, 2021 / 17:01:45 GMT/Zulu time

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Incident Facts

Date of incident
Jun 11, 2021

Classification
Incident

Flight number
BA-81

Destination
Accra, Ghana

Aircraft Registration
G-YMMR

Aircraft Type
Boeing 777-200

ICAO Type Designator
B772

A British Airways Boeing 777-200, registration G-YMMR performing flight BA-81 from London Heathrow,EN (UK) to Accra (Ghana), was accelerating for takeoff from Heathrow's runway 27L when the crew rejected takeoff at about 80 KIAS due to unreliable air speed indications on all three pitot systems. The aircraft slowed safely and returned to the apron.

A replacement Boeing 777-200 registration G-YMMA reached Accra with a delay of about 5:15 hours.

The AAIB reported the occurrence was rated a serious incident and is being investigated, all three pitot systems provided unreliable air speed indications. In addition, British Airways had two more unreliable air speed events involving an A320-200 with 2 blocked pitot tubes and an A320-200N with one blocked pitot tube in about the same time frame.
Incident Facts

Date of incident
Jun 11, 2021

Classification
Incident

Flight number
BA-81

Destination
Accra, Ghana

Aircraft Registration
G-YMMR

Aircraft Type
Boeing 777-200

ICAO Type Designator
B772

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