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FAA AC 20-121 : A

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

AIRWORTHINESS APPROVAL OF LORAN-C NAVIGATION SYSTEMS FOR USE IN THE U.S. NATIONAL AIRSPACE SYSTEM (NAS) AND ALASKA
Withdrawn date

07-23-2013

Published date

01-12-2013

1 PURPOSE
2 CANCELLATION
3 RELATED FAR
4 RELATED READING MATERIALS
5 BACKGROUND
6 DEFINITIONS
7 AIRWORTHINESS CONSIDERATIONS
8 EQUIPMENT INSTALLATION CONSIDERATIONS FOR USE UNDER IFR
9 SYSTEM ACCURACY
10 IFR AIRWORTHINESS APPROVAL
11 OPERATIONAL CONSIDERATIONS
APPENDIX 1 PROCEDURES FOR OBTAINING FAA APPROVAL FOR IFR/VFR
           OPERATIONS BY SUPPLEMENTAL TYPE CERTIFICATE OR FAA
           FORM 337 (FIELD APPROVAL FOR FOLLOW-ON INSTALLATIONS
APPENDIX 2 SAMPLE AIRPLANE FLIGHT MANUAL SUPPLEMENT
APPENDIX 3 SAMPLE DATA SHEET TO ATTACH TO FAA FORM 337
APPENDIX 4

Specifies an acceptable means, but not the only means, of obtaining airworthiness approval of a Loran-C navigation system for use under VFR (visual flight rules) and IFR (instrument flight rules) within the conterminous United States, Alaska and surrounding United States waters.

DocumentType
Standard
PublisherName
Federal Aviation Administration
Status
Withdrawn

FAA AC 23-15 : 2003 SMALL AIRPLANE CERTIFICATION COMPLIANCE PROGRAM
FAA AC 90-96 : 2010 APPROVAL OF U.S. OPERATORS AND AIRCRAFT TO OPERATE UNDER INSTRUMENT FLIGHT RULES (IFR) IN EUROPEAN AIRSPACE DESIGNATED FOR BASIC AREA NAVIGATION (B-RNAV)/RNAV 5 AND PRECISION AREA NAVIGATION (P-RNAV)
FAA AC 90-92 : 0 GUIDELINES FOR THE OPERATIONAL USE OF LORAN-C NAVIGATION SYSTEMS OUTSIDE THE U.S. NATIONAL AIRSPACE SYSTEM (NAS)
FAA AC 25-15 : 1989 APPROVAL OF FLIGHT MANAGEMENT SYSTEMS IN TRANSPORT CATEGORY AIRPLANES

FAA AC 27-1 : 2008 CERTIFICATION OF NORMAL CATEGORY ROTORCRAFT
RTCA DO 178 : C2011 SOFTWARE CONSIDERATIONS IN AIRBORNE SYSTEMS AND EQUIPMENT CERTIFICATION
RTCA DO 194 : 1986 MINIMUM OPERATIONAL PERFORMANCE STANDARDS FOR AIRBORNE AREA NAVIGATION EQUIPMENT USING LORAN-C INPUTS
FAA AC 29-2 : 2008 CERTIFICATION OF TRANSPORT CATEGORY ROTORCRAFT

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