Skip to page content
Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

The latest general information on the Coronavirus (COVID-19) is available on For FAA-specific COVID-19 resources, please visit
United States Department of TransportationUnited States Department of Transportation

Flight Operations Group

Policies & Guidance

Advisory Circulars (AC)
Number Title
90-106 Enhanced Flight Vision Systems
120-118 Criteria for Approval/Authorization of all Weather Operations for Takeoff, Landing, and Rollout
Number Title
6560.10 Runway Visual Range (RVR)
6750.24 Instrument Landing System and Ancillary Electronic Component Configuration and Performance Requirements
8400.13 Procedures for the Evaluation and Approval of Facilities for Special Authorization Category I Operations and All Category II and III Operations

Page last modified: