A British Airways flight from Belfast to London has declared a state of emergency mid-flight.
British Airways flight BA1421, an Airbus A320 from Belfast City Airport (BHD) to London Heathrow Airport (LHR), declared a general emergency with squawk code 7700 during its entry into the UK mainland.
The flight is currently on a low-altitude course at an altitude of 9,000 feet.
British Airways Shuttle BA1421 Belfast-London
According to flight data, flight BA1421 declared an emergency with transponder code 7700 while climbing below 10,000 feet and maintained a cruising altitude of 9,000 feet before continuing to climb towards London.
The flight is currently maintaining its orbit and climbing over Florida 180 (18,000 feet).
Updated 07:20 UTC
British Airways shuttle flight BA1421 has now reverted to its normal transponder code and continues to ascend to a higher cruise level of FL190.
The nature of this morning's problem is not yet known. However, flight data shows that the aircraft ended its climb at approximately 7:00 UTC at 9,000 feet and then maintained the reduced altitude before sounding code 7700.
The flight then proceeded to lose altitude and continued to climb after about 10 minutes.
The flight is currently proceeding according to normal operating procedures, with an ETA London LHR of 07:49 UTC.
The aircraft operating this morning's flight from Belfast is an Airbus A320-232 registered G-EUYB. Narrow body aircraft from 15 years ago.
Updated 08:00 UTC
British Airways flight BA1431 from Belfast arrived at London Heathrow Airport (LHR).
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