AC 20-138B

Historical

Advisory circular · Airworthiness Approval of Positioning and Navigation Systems

A newer version is currentThis is a historical version. AC 20-138D is the version in force, approved March 28, 2014.
Approved
September 27, 2010
Last reviewed
February 25, 2011
Cancelled by
AC20-138C
Family
AC 20-138 · 5 versions
Revision
B
14 CFR parts
23, 25, 27, 29

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 22, 2025.

Show pages 166–177
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Appendix 8

m. TSO-C190, Active Airborne Global Navigation Satellite System (GNSS) Antenna.

n. TSO-C196, Airborne Supplemental Navigation Sensors for Global Positioning System Equipment Using Aircraft-Based Augmentation.

A8-3. RTCA, Inc. Documents (RTCA DO) documents.

a. RTCA DO-160F, Environmental Conditions and Test Procedures for Airborne Equipment.

b. RTCA DO-178B, Software Considerations in Airborne Systems and Equipment Certification.

c. RTCA DO-187, Minimum Operational Performance Standards For Airborne Area Navigation Equipment Using Multi-Sensor Inputs.

d. RTCA DO-189, Minimum Performance Standard for Airborne Distance Measuring Equipment (DME) Operating Within the Radio Frequency Range of 960-1215 Megahertz.

e. RTCA DO-200A, Standards for Processing Aeronautical Data.

f. RTCA/DO-201A, Standards for Aeronautical Information.

g. RTCA DO-208 with Change 1, Minimum Operational Performance Standards For Airborne Supplemental Equipment Using Global Positioning System (GPS).

h. RTCA DO-228 with Change 1, Minimum Operational Performance Standards For Global Navigation Satellite System (GNSS) Airborne Antenna Equipment.

i. RTCA DO-229D, Minimum Operational Performance Standards for Global Positioning System/Wide Area Augmentation System(GPS/WAAS) Airborne Equipment.

j. RTCA DO-235B, Assessment of Radio Frequency Interference Relevant to the GNSS L1 Frequency Band.

k. RTCA DO-236B, Minimum Aviation System Performance Standards: Required Navigation Performance for Area Navigation.

l. RTCA DO-246D, GNSS Based Precision Approach Local Area Augmentation System (LAAS) Signal-in-Space Interface Control Document (ICD).

m. RTCA/DO-253C, Minimum Operational Performance Standards for GPS Local Area Augmentation System Airborne Equipment.

n. RTCA/DO-254, Design Assurance Guidance for Airborne Electronic Hardware.

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Appendix 8

o. RTCA/DO-260B, Minimum Operational Performance Standards for 1090 MHz Extended Squitter Automatic Dependent Surveillance-Broadcast (ADS-B) and Traffic Information Services-Broadcast (TIS-B).

p. RTCA/DO-257A, Minimum Operational Performance Standards for the Depiction of Navigation Information on Electronic Maps.

q. RTCA/DO-282B, Minimum Operational Performance Standards for Universal Access Transceiver (UAT) Automatic Dependent Surveillance-Broadcast (ADS-B).

r. RTCA/DO-283A, Minimum Operational Performance Standards for Required Navigation Performance for Area Navigation.

s. RTCA/DO-301, Active Airborne Global Navigation Satellite System (GNSS) Antenna.

t. RTCA DO-316, Minimum Operational Performance Standards for Global Positioning System/Aircraft-Based Augmentation System Airborne Equipment.

A8-4. Other Documents.

a. ARINC Specification 424-19, Navigation Systems Database, December 19, 2008.

Copies of this document may be requested from Aeronautical Radio Inc., 2551 Riva Road, Annapolis, Md. 21401-7435.

b. The FAA and Industry Guide to Product Certification, September 2004. Copies of this document may be obtained at http://www.faa.gov/aircraft/air_cert/design_approvals/media/CPI_guide_II.pdf.

c. GPS Standard Positioning Service Performance Standard, 4th edition, September, 2008. Copies of this document and general information related to GPS may be requested at http://pnt.gov/public/docs/2008/spsps2008.pdf

d. Department of Defense IS-GPS-200D, Navstar GPS Space Segment/Navigation User Interface. Copies of this document may be requested from the GPS Joint Program Office, SSD/CZ, Los Angeles AFB, CA 90006. Alternatively, copies of this document may be requested at http://www.navcen.uscg.gov/gps/geninfo/default.htm.

e. FAA Specification Wide Area Augmentation System (WAAS), FAA-E-2892C, July 29, 2009. This document is available on-line at http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/ gnss/library/documents/.

f. DOD/DOT 2008 Federal Radionavigation Plan (FRP). The FRP is published every two years. Copies may be ordered through the National Technical Information Service, Springfield, VA 22161 (DOT-VNTSC-RITA-08-02/DOD-4650.5); internet:

https://www.navcen.uscg.gov/pubs/frp2008/2008_federal_radionavigation_plan.pdf.

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Appendix 8

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A8-5. How to Get Related Documents.

a. Order copies of 14 CFR parts from the Superintendent of Documents, Government Printing Office (GPO), P.O. Box 979050, St. Louis, MO 63197. For general information, telephone (202) 512-1800 or fax (202) 512-2250. You can also get copies online at the GPO electronic CFR Internet website at www.gpoaccess.gov/cfr/.

b. Order copies of RTCA documents from RTCA Inc., 1828 L Street NW, Suite 805, Washington, D.C. 20036-4007. For general information, telephone (202) 833-9339 or fax (202) 833-9434. You can also order copies online at www.rtca.org.

c. Order copies of ACs from the United States Department of Transportation, Subsequent Distribution Office, M-30, Ardmore East Business Center, 3341 Q 75th Avenue, Landover, MD 20785. You can also get copies from our website at http://www.faa.gov/regulations_policies/advisory_circulars/ or www.airweb.faa.gov/rgl.

d. You can find a current list of technical standard orders on the FAA Regulatory and Guidance Library at www.airweb.faa.gov/rgl. You will also find the TSO Index of Articles on the same site.