StacksVerified U.S. regulatory reference

14 CFR §171.101

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
This subpart sets forth minimum requirements for the approval and operation of non-Federal Simplified Directional Facilities (SDF) that are to be involved in the approval of instrument flight rules and air traffic control procedures related to those facilities.