Sofema Aviation Services (SAS) www.sassofia.com considers the role and purpose of Society of Automotive Engineers (SAE) Aerospace Recommended Practice – ARP 4761 and ARP 4754A Introduction Aerospace Recommended Practices ARP 4761 and ARP 4754A are two crucial guidelines in the aviation industry, issued by the Society of Automotive Engineers (SAE). ARP 4754A and ARP 4761 emerged…

Sofema Aviation Services (SAS) www.sassofia.com considers the key terminology related to Aircraft Certification – System Safety Assessment Catastrophic Failure Condition: A failure condition that would result in multiple fatalities, usually with the loss of the airplane. Error: An omission or incorrect action by a crewmember or maintenance personnel, or a mistake in requirements, design, or implementation. Event: An…

Sofema Aviation Services (SAS) considers System Safety Assessment in relation to the Arsenal Draft of AC 1309–1. Introduction – System Safety Assessment In 2002, the FAA provided a Notice of Proposed Rulemaking (NPRM) relevant to 14 CFR Part 25. Accompanying this notice is the Arsenal Draft of AC 1309–1. Existing definitions and rules in 25.1309…