IAC 5 - Flight Information Publication IFR Enroute High Altitude Charts - Conterminous U.S. and Alaska - 26 April 2024

Oct 26, 2026

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United States Government specifications prepared by the Interagency Air Committee (IAC) define requirements for preparing the IFR Enroute High Altitude Charts for conterminous U.S. and Alaska. The document states compliance without deviation until amended by formal IAC action and describes how changes are issued through new requirements or development actions. It outlines interpretation questions to be referred to the IAC Chair and details amendment procedures and system, including addresses for submitting recommendations from DoD and FAA.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages146

Reading Time6 h 8 min

AccessFree to download

CHAPTER 1 – GENERAL

1.1 Purpose and Scope

1.2 Requirements

CHAPTER 2 – FORMAT AND LAYOUT

2.1 Format and Layout

UNITED STATES GOVERNMENT SPECIFICATIONS FLIGHT INFORMATION PUBLICATION IFR ENROUTE HIGH ALTITUDE CHARTS-CONTERMINOUS U.S. AND ALASKA IAC 5 26 April 2024 Prepared by the Interagency Air Committee (IAC) 26 April 2024 IAC 5 UNITED STATES GOVERNMENT SPECIFICATIONS FOR THE FLIGHT INFORMATION PUBLICATION IFRENROUTE HIGH ALTITUDE CHARTS -CON TERMINOUS U.S. AND ALASKA 26 April 2024 These specifications have been developed by the Interagency Air Committee (IAC), composed of representatives of the Department of Defense and the Federal Aviation Administration, for use in the preparation of the United States Government Flight Information Publication IFR Enroute High Altitude Charts Conterminous U.S. and Alaska. These specifications shall be complied with, without deviation, until such time as they are amended by formal IAC action. Changes to these specifications will be provided when necessitated by new requirements or through development action of the IAC. Questions of interpretation that arise in the use of these specifications shall be referred to the Chair, Interagency Air Committee. IAC 5 26 April 2024 Page Intentionally Left Blank 26 April 2024 IAC 5 CHANGES APPLIED TO MOST RECENT EDITION REQUIREMENT DOCUMENTS a. RD 873 – Updates to Foreign Data Depiction on IFR Enroute Low and High Altitude Charts EDITORIAL CHANGES a. None applied in this edition CHANGES APPLIED TO 28 NOVEMBER 2023 REQUIREMENT DOCUMENTS a. RD 871 – Exception to Foreign Data Depiction EDITORIAL CHANGES a. None applied in this edition CHANGES APPLIED 1 AUGUST 2023 REQUIREMENT DOCUMENTS a. None applied in this edition EDITORIAL CHANGES a. EC 23-06 – Removal of Alaska FSS Frequency CHANGES APPLIED 19 DECEMBER 2022 REQUIREMENT DOCUMENTS a. RD 816 – Modification to the Depiction of Foreign Data on Enroute Charts b. RD 850 – Preferred Direction Airways/Routes EDITORIAL CHANGES a. None applied in this edition CHANGES APPLIED 1 MARCH 2022 REQUIREMENT DOCUMENTS a. RD 843 – Expanded VOR VORTAC VORDME TACAN DME SSVs on Enroute Charts EDITORIAL CHANGES a. None applied in this edition IAC 5 26 April 2024 Page Intentionally Left Blank 26 April 2024 IAC 5 AMENDMENT OF SPECIFICATIONS 1. PROCEDURE a. Recommendations for amendments to specifications from the Department of Defense shall be directed to: National Geospatial-Intelligence Agency 7500 GEOINT Drive Springfield, VA 22150-7500 b. Recommendations for amendments to specifications from the Federal Aviation Administration shall be directed to: Federal Aviation Administration / Aeronautical Information Services SSMC-4 Sta \# 4445 1305 East-West Highway Silver Spring, MD 20910 2. AMENDMENT SYSTEM a. Change to the specifications will be issued atthe effective date of the latest Requirement Document (RD) and / or Editorial Change (EC) . b. The Specification will be dated, indicated along the upper margin of each page, to reflect the most current change. IAC 5 26 April 2024 Page Intentionally Left Blank 26 April 2024 IAC 5 CHAPTER 1 – GENERAL 1.1 Purpose and Scope .................................................................................................................... 1-1 1.1.1 Purpose .............................................................................................................................. 1-1 1.1.2 Scope ................................................................................................................................. 1-1 1.2 Requirements ............................................................................................................................ 1-1 1.2.1 General .............................................................................................................................. 1-1 1.2.2 Safety, Accuracy and Currency ......................................................................................... 1-1 1.2.3 Title ...

FAQs

What is the purpose and scope of IAC 5 (26 April 2024)?

IAC 5 defines requirements for preparing United States Government Flight Information Publication IFR Enroute High Altitude Charts for conterminous U.S. and Alaska, including general requirements and coverage details.

How are changes to these specifications handled?

Changes are issued when necessitated by new requirements or through IAC development action. Updates are provided through formal IAC actions and associated Requirement Documents (RD) or Editorial Changes (EC).

Where should amendment recommendations be submitted?

Recommendations from the Department of Defense go to the National Geospatial-Intelligence Agency address listed, while recommendations from the Federal Aviation Administration go to the FAA Aeronautical Information Services address listed.

Oct 26, 2026

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