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A Technical Standard Order (TSO) is a minimum performance standard issued by the United States Federal Aviation Administration for specified materials, parts, processes, and appliances used on civil aircraft.
The Federal Aviation Administration (FAA) applies DO-178B as the document it uses for guidance to determine if the software will perform reliably in an airborne environment, [1] when specified by the Technical Standard Order (TSO) for which certification is sought.
The FAA published a significant revision to the U.S. manufacturing regulations on October 16, 2009. [17] This new rule eliminates some of the legal distinctions between forms of production approval issued by the FAA, which should have the effect of further demonstrating the FAA's support of the quality systems implemented by PMA manufacturers.
The TSO for aviation headsets is C139, which includes requirements to withstand extreme heat and cold, decompression, and electromagnetic interference. [14] Some commercial airlines require the use of TSO-compliant headsets, as part of their operations manual. [15] This is a choice by the airline, not an FAA requirement. [16]
TSO may refer to: Science and technology. Technical Standard Order, a minimum performance standard issued by the FAA for certain items used on civil aircraft;
The current applicable FAA TSO is C123b titled Cockpit Voice Recorder Equipment. [ 32 ] Where an aircraft is required to carry a CVR and uses digital communications the CVR is required to record such communications with air traffic control unless this is recorded elsewhere.
faa The Advisory Circular AC 20-115( ) , Airborne Software Development Assurance Using EUROCAE ED-12( ) and RTCA DO-178( ) (previously Airborne Software Assurance ), recognizes [ 1 ] the RTCA published standard DO-178 as defining a suitable means for demonstrating compliance for the use of software within aircraft systems.
The FAA refers to the non-responsiveness of new and improved TSO C74c compliant transponders to Mode S compatible radars and TCAS as "The Terra Problem", and has issued Airworthiness Directives (ADs) against various transponder manufacturers, over the years, at various times on no predictable schedule.