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Oxygen Study Group

This report provides an update on the progress of the Oxygen Study Group's work, including the need for independent specialist opinions on proposed changes. It also highlights the specialists nominated and their opinions on first aid oxygen provisions.

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Oxygen Study Group

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  1. Oxygen Study Group Status Report # 2 for OST 05-01

  2. A-NPA-OPS 32 • was circulated in 2003 to get a wider range of views on the proposed changes • decision after review of comments: • the proposals are not mature for NPA • independent opinion of specialists is needed • Oxygen Study Group to resume its work (June 2004, OST 04-2)

  3. Oxygen Study Group • Chair: CAA UK • No further members were nominated by Authorities • ERA and AEA nominated members • Meetings to be held after consultation of specialists in aviation physiology

  4. Specialist Group • 3 specialists in aviation physiology agreed to provide their opinion • Dr D Gradwell, UK • Prof Marotte, France • Prof Ricciardi, Italy • papers of specialists were received between July 2004 and January 2005

  5. Specialist Opinions • Opinions differ for: • First Aid Oxygen: concentration • Amount of first aid oxygen to be carried • Systems used for first aid oxygen • Percentage of passengers to be supplied with supplemental oxygen between FL 15000 ft and 14000 ft (after decompression)

  6. 100 % passengers FL 150 --- 30 % passengers FL 140---- 10 % passengers after 30 minutes FL 100------ Current table in Appendix 1 to 1.770

  7. 100 % passengers FL 150 --- 10 % passengers after 30 minutes FL 100------ Proposed table in Appendix 1 to 1.770

  8. Further advice • Consider age and eventual pre-existing medical conditions of passengers when regulating oxygen provisions. • Evidence needed for civilian use of MSOCKS / OBOGS • This is a relaxation of existing standards, FAA views should be considered.

  9. Next steps • One Meeting with the specialists should be organised • travel cost? • availability? • Clarification of some questions by email • timeframe?

  10. Conclusion • Specialists in aviation physiology show the same variety of opinions as did the Oxygen Study Group. • None of the specialists could fully agree to the relaxation of standards of oxygen provisions between 14000 ft and 15000 ft after decompression. • All agreed that first aid oxygen should be provided for first aid purposes

  11. Thank you ....

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