Aircraft oxygen systems and equipment - Guide to the physiological factors has-digital This British Standard gives methods

This British Standard gives methods for determining fracture toughness in metallic materials in terms of δ (crack tip opening displacement

This is a technical revision and includes the following significant technical changes to the previous version of the standard BS EN 61000-6-4:2007+A1:2011:

Tolerances on test quantities during tests

Flame retardants

BS EN 10255:2004 incorporating Amendment 1:2007 -  unusually for an amendment -  will supersede BS EN 10255:2004

Aircraft oxygen systems and equipment - Guide to the physiological factors has-digital This British Standard gives methodsWhat is this standard about? This part of BS 4N 100 provides guidance on the physiological factors which should be considered when designing oxygen systems for use within aircraft.