The issuance of multiple airworthiness certificates, under 14 CFR 21.187, involves the
issuance of an airworthiness certificate in the restricted category and in one or more other
categories except primary category. Note that the § 21.191 experimental purposes are not
an airworthiness certificate category.

This notice announces clarification to guidance in Federal Aviation
Administration (FAA) Order 8900.1, Volume 14, Chapter 1, Section 2, Flight Standards Service
Compliance Action Decision Procedure, and the implementation process for the schedules
defined by the National Archives and Records Administration (NARA) for retention and
disposition of records specific to Compliance Actions (CA). This notice contains guidance that is
pertinent to Title 44 of the United States Code (44 U.S.C.) Chapter 31

This notice provides information related to changes included in the
next phase of the Safety Assurance System (SAS). Notice N 8900.658, Safety Assurance System
(SAS) Phase 4 Wave 1 Vision, Changes, and Benefits, introduced the deployment of SAS
Phase 4 Wave 1. This notice will focus on information related to SAS Phase 4 Wave 2, starting
in fiscal year (FY) 2025 Quarter 2. This notice contains guidance that is administrative in nature.

This notice provides guidance to Federal Aviation Administration
(FAA) Flight Standards (FS) Safety Assurance offices concerning the changes to the certification
process of Title 14 of the Code of Federal Regulations (14 CFR) part 137 UAS. The FAA has
determined that part 137 UAS agricultural aircraft operations present a lower risk than other
certificated operations and revising the part 137 certification process would not adversely affect
safety. It is the intent of this notice to outline the changes to the certification process for UAS in
agricultural aircraft operations. This notice will help ensure uniform application of policy
through guidance