14 CFR § 398.1 - Purpose.

---
identifier: "/us/cfr/t14/s398.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 398.1 - Purpose."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "398.1"
section_name: "Purpose."
chapter_name: "OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)"
subchapter_number: "F"
subchapter_name: "POLICY STATEMENTS"
part_number: "398"
part_name: "GUIDELINES FOR INDIVIDUAL DETERMINATIONS OF BASIC ESSENTIAL AIR SERVICE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. Chapters 401, 417; Airport and Airway Safety and Capacity Expansion Act of 1987 (Pub. L. 100-223, Dec. 30, 1987)."
regulatory_source: "Docket No. OST-95-397, 60 FR 43529, Aug. 22, 1995, unless otherwise noted."
cfr_part: "398"
---


# 398.1 Purpose.

The purpose of this part is to establish general guidelines for the determination of basic essential air service for each eligible place under 49 U.S.C. 41731 and 41732. Procedures for the determination of the essential air service level for a place are contained in part 325 of this chapter.