AC 90-105A

editorial update 2

Advisory circular · Approval Guidance for RNP Operations and Barometric Vertical Navigation in the U.S. National Airspace System and in Oceanic and Remote Continental Airspace

Approved
May 22, 2020
Last reviewed
July 24, 2024
This change
Second Editorial update to AC 90-105A.
Family
AC 90-105 · 4 versions
Revision
A
14 CFR parts
71, 91, 95, 97, 121, 125, 129, 135

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

Show pages 116–127
Page 128Open in PDF

Appendix J J-9 Acronym Meaning SBAS Satellite-Based Augmentation System SID Standard Instrument Departure SIS Signal in Space SL Service Letter SLOP Strategic Lateral Offset Procedure S-LRNS Signal Long-Range Navigation System SOC Statement of Compliance SOP Standard Operating Procedure STAR Standard Terminal Arrival STAR Standard Terminal Arrival Route STC Supplemental Type Certificate SUPPS Regional Supplementary Procedures TC Type Certificate TF Track to Fix (path terminator per ARINC Specification 424) TOAC Time of Arrival Control TOGA Takeoff/Go-Around TSE Total System Error TSO Technical Standard Order TSOA Technical Standard Order Authorization UTA Upper Control Area VA Heading to Altitude (path terminator per ARINC Specification 424) VI Heading to Intercept (path terminator per ARINC Specification 424) VM Heading to Manual (path terminator per ARINC Specification 424) VNAV Vertical Navigation VOR Very High Frequency Omni-Directional Range VS Vertical Speed WAAS Wide Area Augmentation System XTK Cross-Track

Page 129Open in PDF

Advisory Circular Feedback Form If you find an error in this AC, have recommendations for improving it, or have suggestions for new items/subjects to be added, you may let us know by contacting the Flight Technologies and Procedures Division (AFS-400) at 9-AWA-AFS400-Coord@faa.gov or the Flight Standards Directives Management Officer at 9-AWA-AFB-120-Directives@faa.gov.

Subject: AC 90-105A, Approval Guidance for RNP Operations and Barometric Vertical Navigation in the U.S. National Airspace System and in Oceanic and Remote Continental Airspace Date: _____________________ Please check all appropriate line items:

An err or ( proc edural or typographical) has been noted in paragraph ____________ on page _______.

Recommend paragraph _____________ on page __________ be changed as follows:

______________________________________________________________________ ______________________________________________________________________ In a future change to this AC, please cover the following subject:

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