Just a simple reminder, especially if anyone uses their employer or private business devices to use AI tools: the information used for questions immediately and forever becomes public property.
-----Original Message----- From: Ralph McDiarmid <rmm.priv...@gmail.com> Sent: Wednesday, October 11, 2023 2:08 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] safety under single fault Here's what ChatGPT 3.5 says about fault-tolerance and general aviation aircraft: Fault-tolerance systems in general aviation aircraft can enhance safety, but their inclusion is not mandatory for all such aircraft. The need for fault-tolerance systems depends on several factors, including the type of aircraft, its complexity, and its intended use. General aviation aircraft range from small, simple, single-engine planes to larger, more complex, and technologically advanced aircraft. The level of fault tolerance required often correlates with the complexity and mission profile of the aircraft. Here are some considerations: Simple Aircraft: Small, single-engine general aviation aircraft often have basic systems and controls. While they are not required to have elaborate fault-tolerance systems, safety measures such as redundant flight instruments and simple backup systems might be included. Advanced Aircraft: More complex general aviation aircraft, such as multi-engine planes or those equipped with advanced avionics, might incorporate redundant systems or fail-safe features to improve safety. For example, they might have redundant power sources, dual avionics systems, or backup instruments. Mission Profile: The intended use of the aircraft can also influence the need for fault-tolerance systems. Aircraft used for critical missions, like air ambulance or search and rescue, might have more robust safety features to ensure that they can operate in adverse conditions. Regulations: Aviation authorities like the FAA in the United States set safety standards for various aircraft categories. These standards may dictate the inclusion of certain safety features, depending on the aircraft's size and use. For example, Part 23 of the Federal Aviation Regulations (FAR) in the U.S. specifies the airworthiness standards for general aviation aircraft. In summary, while fault-tolerance systems can enhance the safety of general aviation aircraft, their inclusion is not a blanket requirement for all such aircraft. It depends on factors such as the aircraft's complexity, mission profile, and regulatory standards. Pilots and aircraft operators should adhere to relevant safety regulations and guidelines, which may vary from one country to another. Ralph -----Original Message----- From: Richard Nute <ri...@ieee.org> Sent: Wednesday, October 11, 2023 12:41 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] safety under single fault Hello from Bend, Oregon: On September 4, 2022, a plane carrying 10 people crashed into Puget Sound's Mutiny Bay near Whidbey Island. The National Transportation Safety Board, which investigated the crash, said Thursday that a single component of a critical flight control system failed, causing an unrecoverable, near-vertical descent. "The Mutiny Bay accident is an incredibly painful reminder that a single point of failure can lead to catastrophe in our skies," NTSB Chair Jennifer Homendy said in a news release. Nate Bingham, who is representing the Ludwigs' families, said the plane crashed because of "an antiquated design with a single point of failure." Details: https://apnews.com/article/seaplane-crash-puget-sound-san-juan-island-10-kil led-531d4e5a2dfed65370294243b1a07157 This incident serves to remind us that in our field of product safety, we require the product to be safe even in the event of a failure of any single component. Best regards, Rich Boats from the U.S. Coast Guard and Kitsap County Sheriff's Office search the area off Whidbey Island north of Seattle on Sept. 5, 2022, where a chartered floatplane crashed the day before, killing 10 people. Stephen Brashear/AP file - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org <mailto:emc-p...@ieee.org> > All emc-pstc postings are archived and searchable on the web at: https://www.mail-archive.com/emc-pstc@listserv.ieee.org/ Website: https://ewh.ieee.org/soc/pses/ Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to unsubscribe) List rules: https://ewh.ieee.org/soc/pses/listrules.html For help, send mail to the list administrators: Mike Sherman at: msherma...@comcast.net <mailto:msherma...@comcast.net> Rick Linford at: linf...@ieee.org <mailto:linf...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org <mailto:j.bac...@ieee.org> > _________________________________________________ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1 - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: https://www.mail-archive.com/emc-pstc@listserv.ieee.org/ Website: https://ewh.ieee.org/soc/pses/ Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to unsubscribe) List rules: https://ewh.ieee.org/soc/pses/listrules.html For help, send mail to the list administrators: Mike Sherman at: msherma...@comcast.net Rick Linford at: linf...@ieee.org For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> _________________________________________________ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1 - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: https://www.mail-archive.com/emc-pstc@listserv.ieee.org/ Website: https://ewh.ieee.org/soc/pses/ Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to unsubscribe) List rules: https://ewh.ieee.org/soc/pses/listrules.html For help, send mail to the list administrators: Mike Sherman at: msherma...@comcast.net Rick Linford at: linf...@ieee.org For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> _________________________________________________ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1