21-46 - Technical Standard Order Program
- Date Issued
- September 30, 2010
- Responsible Office
- AIR-120, Aviation Safety - Aircraft Certification Service, Aircraft Engineering Division
This advisory circular (AC) explains the technical standard order (TSO) process outlined in Title 14 of the Code of Federal Regulations (14 CFR), part 21, Subpart O, for manufacturers producing articles and appliances under a TSO authorization (TSOA) or letter of TSO design approval (LODA).
- AC 21-46 (PDF, 4.6 MB)