14 CFR § 256.3 - Definitions.

---
identifier: "/us/cfr/t14/s256.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 256.3 - Definitions."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "256.3"
section_name: "Definitions."
chapter_name: "OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)"
subchapter_number: "A"
subchapter_name: "ECONOMIC REGULATIONS"
part_number: "256"
part_name: "ELECTRONIC AIRLINE INFORMATION SYSTEMS"
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. 40101 and 41712."
regulatory_source: "Docket No. DOT-OST-2014-0056, 81 FR 76828, Nov. 3, 2016, unless otherwise noted."
cfr_part: "256"
---


# 256.3 Definitions.

For purposes of this part:

*Availability* means information provided in displays with respect to the ability to make a reservation on a particular flight.

*Display* means the presentation of air carrier or foreign air carrier schedules, fares, or availability to a consumer or agent or other individual involved in arranging air travel for a consumer by means of a computer or mobile electronic device.

*Electronic airline information system or EAIS* means a system that combines air carrier or foreign air carrier schedule, fare, or availability information for transmission or display to air carriers or foreign air carriers, ticket agents, other business entities, or consumers.

*Integrated display* means any display that includes the schedules, fares or availability of more than one listed carrier.