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The TSO authorization (also called TSOA) or a letter of TSO Design Approval does not necessarily convey approval for installation. [2] Similar standards are maintained by other aviation authorities. For example European Technical Standard Orders (ETSO) by EASA for the European Union, [3] with limited reciprocal equivalence on a per-country ...
In the United States, the Federal Aviation Administration (FAA) issues Technical Standard Orders (TSOs) regarding equipment used on civil aircraft. The TSO for aviation headsets is C139, which includes requirements to withstand extreme heat and cold, decompression, and electromagnetic interference. [14]
There are a number of other methods of compliance, including parts manufactured to government or industry standards, parts manufactured under technical standard order authorization [TSO], owner-/operator-produced parts, experimental aircraft, field approvals, etc. [2] [3]
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.
Technical Standard Order, a minimum performance standard issued by the FAA for certain items used on civil aircraft; Transmission system operator, an entity involved in electric power transmission or transmission of natural gas; Trichuris suis, a species of whipworm, a parasite of pigs
For example, in the U.S. these sub-assemblies must meet requirements in the applicable Technical Standards Order (TSO). To meet those requirements the design documents are examined for compliance with the applicable Minimum Operating Performance Standards (MOPS) applicable to that sub-assembly.
TSO technical standard order [2] FAA specification of quality standard. TSLOVH Time since last overhaul Normally measured in FH or EFH TSN Time since new Normally measured in FH or EFH for an aircraft, engine or component TTAF total time air frame TTL Tuned to Localizer: TTR TCAS II transmitter/receiver TTS Time to station TTSN total time since new
The FAA and EASA have already published the TCAS II Version 7.1 Technical Standard Order (TSO-C119c [35] and ETSO-C119c, [36] respectively) effective since 2009, based on the RTCA DO-185B [7] and EUROCAE ED-143 standards.