Light
Dark
System
Log In
Loading...
Compare / EASA/
Incorporated Amendments
/
Compare & Highlight Differences
CS 31GB.25 Factors of safety
Available versions for ERULES-1963177438-4507
ED Decision 2011/012/R
found in: CS-31GB Initial issue - Free Gas Balloons (Dec 2011)
Version
CS-31GB Initial is... (Dec 2011)
Section
Share
Version
Show details
Hide details
Version
CS 31GB.25 Factors of safety ED Decision 2011/012/R (a) A factor of safety must be used in the balloon design as provided in the table. <table border="1" cellpadding="0" cellspacing="0" width="568"><tr><td valign="top" width="247"><p><b>Safety factor</b></p></td></tr><tr><td valign="top" width="321"><p><b>Envelope</b></p></td><td valign="top" width="247"><p>5·00</p></td></tr><tr><td valign="top" width="321"><p><b>Suspension components (fibrous or non-metallic)</b></p></td><td valign="top" width="247"><p>2·25</p></td></tr><tr><td valign="top" width="321"><p><b>Suspension components (metallic)</b></p></td><td valign="top" width="247"><p>1·50</p></td></tr><tr><td valign="top" width="321"><p><b>Other</b></p></td><td valign="top" width="247"><p>1·50</p></td></tr></table> (b) The primary attachments of the envelope to the basket must be designed so that any single failure will not jeopardise safety of flight. (c) For design purposes, an occupant mass of at least 77 kg must be assumed.