---
kind: "unit"
title: "14"
title_heading: "Aeronautics and Space"
key: "chII/subchF/part398"
level: "part"
label: "Part 398"
heading: "Guidelines for Individual Determinations of Basic Essential Air Service"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/14/chII-subchF-part398"
sections_count: 10
---

# Part 398 — Guidelines for Individual Determinations of Basic Essential Air Service

Title 14 C.F.R. — Aeronautics and Space › Chapter II — Office of the Secretary, Department of Transportation (aviation Proceedings) › Subchapter F — Policy Statements

## Sections

- [§398.1. Purpose.](/cfr/14/398.1.md)
- [§398.2. Number and designation of hubs.](/cfr/14/398.2.md)
- [§398.3. Specific airports.](/cfr/14/398.3.md)
- [§398.4. Equipment.](/cfr/14/398.4.md)
- [§398.5. Frequency of flights.](/cfr/14/398.5.md)
- [§398.6. Seat guarantees.](/cfr/14/398.6.md)
- [§398.7. Timing of flights.](/cfr/14/398.7.md)
- [§398.8. Number of intermediate stops.](/cfr/14/398.8.md)
- [§398.9. Load factor standards.](/cfr/14/398.9.md)
- [§398.10. Overflights.](/cfr/14/398.10.md)