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Content archived on 2024-06-10

Development of Composite Aircraft Passenger Seats with 3-Point Shoulder Harnesses, to Provide Enhanced Protection


Objectives and content: New performance standards for Transport Category Aircraft seats, ruled by the JAR 25 & 121, have been set forth in June 1988 by the FAA, followed by the JAA, to improve the chances of passenger's survival in emergency landings. After 8 years of unsuccessful attempts to meet the requirements by means of conventional seat structure and lap belt restraint, it has been suggested to redesign the seats to provide space and structural integration of three-point shoulder harness - automobile style. While the effectiveness of such restraint is not questioned, the feasibility to tie down such seats on existing aircraft floors, without structural modification, requires to be validated by full size dynamic testing. (Ref. Relevant study) As positive results will depend on the dynamic performances of the composite structure of the seat and associated energy absorbing devices, it is the objective of this RTD to DESIGN & MANUFACTURE EXPERIMENTAL PROTOTYPES to evaluate by static and dynamic testing IF SUCH INSTALLATION IS FEASIBLE and might be implemented in Transport Category Aeroplanes ruled by the JAR 25 & 121.

To that end, a multidisciplinary research approach at a European/International level, covering the most essential needs of the Air Transport Community, has been initiated in 1996 with a proposal into the Exploratory Award Programme, under the same title, and was ultimately selected for funding by the DG XII Directorate C. for a Stage 2 Proposal. (ref. BRST-CT96-0326). In answer to the suggestions of the Evaluation Committee in its present form the Proposal gathers views and participation of the Regulatory Authorities (JAA), the Aircraft Manufacturers and Operators, around a core of specialised industrial actors, in a co-ordinated RTD programme focusing on a new type of passenger seat. Relevant study: at the request of the DG-VII û Study on the feasibility of introducing a 3-Point Passenger Harness in Commercial Aircraftsú. BE97-4192

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Structural Design and Analysis Belgique S.A.
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1930 Zaventem

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Participants (9)