{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Extreme-altitude hazards: flying above 25,000 feet poses a much different set of challenges than at lower levels. You need a different oxygen system, and ... An article from: Aviation Safety","author_name":"James Lockridge","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003ND8OMC.html\">Extreme-altitude hazards: flying above 25,000 feet poses a much different set of challenges than at lower levels. You need a different oxygen system, and ... An article from: Aviation Safety</a>","width":400,"height":300}