Aircraft Certification Service (AIR) Draft Technical Standard Orders (TSOs) Open for Comment
| Document Title: | TSO-C211a - Detect and Avoid (DAA) Systems |
|---|---|
| Summary: | This technical standard order (TSO) is for manufacturers applying for a TSO authorization (TSOA) or letter of design approval (LODA). In it, we (the Federal Aviation Administration, (FAA)) tell you what minimum performance standards (MPS) your DAA equipment must first meet for approval and identification with the applicable TSO marking. |
| Reference: | 14 CFR Parts 1, 3, 21, 23, 25, 45 and 91 |
| Documents for Download: | Draft Document Comment Matrix |
| Comments Due: | December 31, 2025 |
| How to Comment: | Email comments to 9-AVS-TechWriters@faa.gov |
| Document Title: | TSO-C212a - Air-to-Air Radar (ATAR) for Traffic Surveillance |
|---|---|
| Summary: | This technical standard order (TSO) is for manufacturers applying for a TSO authorization (TSOA) or letter of design approval (LODA). In it, we (the Federal Aviation Administration, (FAA)) tell you what minimum performance standards (MPS) your ATAR equipment must first meet for approval and identification with the applicable TSO marking. |
| Reference: | 14 CFR Parts 1, 3, 21, 23, 25, 45 and 91 |
| Documents for Download: | Draft Document Comment Matrix |
| Comments Due: | December 31, 2025 |
| How to Comment: | Email comments to 9-AVS-TechWriters@faa.gov |
Related Information
- Final Aircraft Certification advisory circulars, other policy documents, and technical standard orders (TSOs) are available on FAA's Dynamic Regulatory System
- Advisory Circulars (ACs)
- FAA Regulations
- Orders & Notices
- Policy & Guidance
- To comment on rulemaking documents, please visit the DOT Docket Management System.
Last updated: Thursday, November 20, 2025