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Technical Standard Order (TSO)C91a, - gpo

Technical Standard Order (TSO)C91a, - gpo 2025

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The document announces the cancellation of Technical Standard Order (TSO)–C91a for Emergency Locator Transmitters (ELTs) by the FAA, effective December 1, 2012. This decision follows the discontinuation of processing signals from 121.5 MHz ELTs by the Cospas-Sarsat satellite system, which now only processes 406 MHz signals. The new TSO–C126a standard is more advanced and reliable, offering improved accuracy and global satellite coverage. The notice also addresses comments received regarding the implications of this cancellation on existing ELT designs and installations.

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What is a TSO in engineering?

64A Transmission System Operator (TSO) can be defined as a natural or legal person responsible for operating, ensuring the maintenance of and, if necessary, developing the transmission system in a given area and, where applicable, its interconnections with other systems, and for ensuring the long-term ability of the

What is a technical standard order TSO?

A technical standard order (TSO) is a minimum performance standard (MPS) defined by the FAA, used to evaluate an article (an article can be a material, part, component, process, or appliance). Each TSO covers a certain type of article, such as a radio, oxygen mask, or galley cart.

What is TSO C91?

The FAA followed up with regulations that required the installation of ELTs in virtually all general aviation aircraft by June 30, 1974. This was the basis of technical standard order (TSO) C91 and it caused a flurry of activity throughout the aviation community.

What is a TSO certified?

Receiving a TSO authorization is approval to manufacture an article that may be installed on an aircraft only after showing that the article meets the specific airworthiness requirements (certification basis) of a particular aircraft model.

What does TSO stand for in shipping terms?

Transport System Operator or TSO means the transport system operator at the Delivery Point, which is GRTgaz D.

What does TSO stand for?

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.

Technical Standard Order (TSO)C91a, - gpo 2025

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