Skip to page content

USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

United States Department of Transportation United States Department of Transportation

Order JO 6100.1J - Maintenance of NAS En Route Stage A — Air Traffic Control System

Document Information

JO 6100.1J
Maintenance of NAS En Route Stage A — Air Traffic Control System
Date issued
Office of Primary Responsibility
AJM-25, En Route & oceanic 2nd Level Engineering
Access restriction
FAA Network Only
Contact information
Trudy Zanghi
Order purpose statement

This Handbook is password protected because of security sensitivity. Please call the Help-Desk at 1-800-377-0308 to obtain the password for this document.

This handbook provides guidance and prescribes technical standards, tolerances, and procedures applicable to the maintenance and inspection of the National Airspace System (NAS) En Route Air Traffic (AT) Control (ATC) system. It also provides information on special methods and techniques that will enable maintenance personnel to achieve optimum performance from the equipment. This information augments information available in instruction books and other handbooks, and complements the latest edition of Order 6000.15, General Maintenance Handbook for National Airspace System (NAS) Facilities. Detailed guidelines requirements concerning the content requirements, preparation, and formatting of this handbook are provided in the latest edition of Order 1320.58, Instructions for Writing Notices, Maintenance Technical Handbooks, and System Support Directives.


This document's content can be accessed only from within the FAA network.

The document's Office of Primary Responsibility (OPR) is AJM-25.