TRA

TRA is an abbreviation for:

  • Taiwan Railway Administration, Railway Administration of the Republic of China on Taiwan
  • Taiwan Relations Act, enacted by the U.S. Congress Act
  • Technical rules for lifts
  • Telecommunications Regulatory Authority, Bahrain's Telecommunications Regulatory Authority
  • Temporary Reserved Airspace, airspace, which only briefly - is locked - eg for mil exercises
  • Theory of Reasoned Action by Martin Fishbein & Ajzen Icek
  • Audio frequency ripple control systems, see ripple control technology, radio ripple control technology
  • Transavia Airlines, Dutch airline by the ICAO code
  • Threat and risk assessment

TrA is an abbreviation for:

  • Triangulum Australe, Constellation Southern triangle in the nomenclature of the fixed stars
  • Disambiguation
  • Abbreviation
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