Thierry Dubois is a freelance writer specializing in helicopters, business aviation and aerospace technology. He earned a degree in fluid dynamics from an engineering school in Toulouse, France in the mid-1990s. At an unexpected crossroads, he found his first job in journalism. In 1997, he started working for French aerospace weekly Air &amp; Cosmos in Paris. This lasted until 2000, when he moved south to Lyons. He then became a freelancer, working for various aerospace publications and has been part of the AIN team since late 2000. In addition to writing about business aviation, Thierry shares responsibility for the rotorcraft section. He also is a regular on-site writer for AIN’s daily editions at international airshows such as the Paris, Farnborough, Dubai and Singapore shows, as well as at EBACE in Geneva.
In 2007, he won the Honeywell award for “Best systems or technology submission” at the Aerospace journalist of the year awards. In 2013, he won an Aerospace Media Award for the "Best Safety, Training &amp; Simulation Submission."
In other activities, Thierry moderates international conferences on aviation technology topics. Thierry is married and has three children, who seem to begin enjoying the mountains–as their parents do.

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Thierry Dubois

Lufthansa Technik (LHT) is studying ways to reduce the loads imposed on a bizliner’s interior walls and their structural attachments by a sudden drop in cabin pressure. The solution appears to lie in installing large cutouts in the walls and floor.


The layout of a typical business jet cabin features an open seating area, divided by curtains, an open galley and a lavatory. From the standpoint of airflow it is one large room, a LHT spokesman explained. During a decompression, the cabin air makes its generally unobstructed way to the breach in the pressure vessel and disembarks rapidly.


With several and in some cases many separate rooms, the cabin of a bizliner is different. If a rapid decompression originates in one room, the swift exit of air through the breach from that enclosed space causes a major pressure differential between the affected room and the ambient cabin environment, the spokesman explained. The differential pressure imposes high loads on the surrounding walls and their associated structural attachments to the airframe.


Installing relatively large apertures in furniture, walls and the cabin ceiling and floor can increase the airflow between different cabin compartments. Panels that seal the apertures in normal operations are designed to open at a specific differential pressure to unblock the flow path.


Floor vents provide a path for air to flow between the room and the area beneath the passenger cabin. Whenever possible, the cutouts and panels are installed underneath a cabin monument. However, if a decompression floor panel must be installed more centrally in a cabin area, typical floor covering (such as carpet) conceals the panel. The covering is cut along the panel contour to allow proper opening. Floor cutouts are also fitted with a consolidating frame, to avoid weakening the airframe structure in the attachment area.

News and developments about everything that goes into the cabin of an aircraft, from floor coverings to headliners, with a special emphasis on in-flight entertainment, communications and other electronics for passengers. If it is in the cabin of an aircraft, it’s covered here.

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