PLANE FORCED TO LAND AFTER FILMING MELTED WINDOWS

A passenger plane had to turn back after its window panes fell out having been melted by a film crew's high-intensity lighting, a report found.

The Airbus A321 took off from Stansted Airport in October when crew members noticed damage and noise.

The Air Accidents Investigation Branch (AAIB) said the acrylic panes had fallen out after reaching temperatures of up to 110C (230F) the day before.

The AAIB said the dangers were now being shared across the industry.

The Titan Airways plane had previously been used by the government and Prime Minister Rishi Sunak had flown on it, but it was being chartered privately by a different organisation when it took off from Essex on 4 October with 11 crew and nine passengers.

At 10,000ft (3,050m), crew reported a window seal "flapping" and cabin noise "loud enough to damage your hearing".

The airfcraft turned back at 14,000ft (4,270m) and landed safely.

The previous day, an advert had been filmed on the ground at Stansted, for which six sets of halogen lights were used to mimic a sunrise.

The report said their combined power was 72,000 watts and they were being shone on the plane at a distance of six to nine metres (20-30ft) for several hours, causing the panes to contract and seals and foam rings to melt.

Investigators found four cabin windows were affected with three outer panes and two inner panes missing. However, the scratch panes (a third pane on the inside of each window) were not damaged, so cabin pressure was maintained, the report said.

One pane was later found on a runway at Stansted, suggesting it had fallen before take-off, but the other four have not been found.

The AAIB said its "investigation found four previous occurrences [of melted windows] on other airframes, but knowledge of them was not widespread in the aviation community". It said in those cases the windows had been repaired before any more flights took place.

It noted there was engineering supervision during the filming but "no-one involved anticipated that the lights could damage the acrylic windows".

A Titan Airways spokeswoman praised its crew members and said: "The aviation industry as a whole will benefit from the lessons learnt from this event.

"We are also pleased to hear that our colleagues at Airbus will be circulating further information to its worldwide customer base, highlighting the potential damage that can be caused by high-intensity lighting."

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2024-04-19T12:37:38Z dg43tfdfdgfd