scope:

Purpose of This Notice.

This notice provides revised guidance for Federal Aviation Administration (FAA) principal inspectors (PI) assigned to operators conducting airplane operations under Title 14 of the Code of Federal Regulations (14 CFR) parts 91, 91 subpart K (part 91K), 121, 125 (including A125 Letter of Deviation Authority (LODA) holders), and 135. This notice amends the authorization A354, In-Trail Procedures (ITP) Using ADS-B IN. This notice updates all A354 templates; i.e., operations specification (OpSpec) A354, management specification (MSpec) A354, and letters of authorization (LOA) A354 for operators conducting airplane operations under parts 91, 91K, 121, 125 (including A125 LODA holders), and 135. This is a mandatory change to A354.