Technical Standard Order
Encyclopedia
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. Articles with TSO design approval are eligible for use on the United States type certificated products. The TSO authorization or a letter of TSO Design Approval does not necessarily convey approval for installation. See CFR Part 21 Subpart O.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
Federal Aviation Administration
Federal Aviation Administration
The Federal Aviation Administration is the national aviation authority of the United States. An agency of the United States Department of Transportation, it has authority to regulate and oversee all aspects of civil aviation in the U.S...
for specified materials, parts, processes, and appliances used on civil aircraft. Articles with TSO design approval are eligible for use on the United States type certificated products. The TSO authorization or a letter of TSO Design Approval does not necessarily convey approval for installation. See CFR Part 21 Subpart O.