Appendix C C-11 Acronym Meaning STC Supplemental Type Certificate SUPPS Regional Supplementary Procedures TAF Terminal Area Forecast TC Type Certificate TF Track to Fix TOGA Takeoff/Go-Around TP Turning Point TSE Total System Error TSO Technical Standard Order VA Heading to Altitude VFR Visual Flight Rules VHF Very High Frequency VI Heading to Intercept VM Heading to Manual VNAV Vertical Navigation VOR Very High Frequency Omni-Directional Range VORTAC Very High Frequency Omnidirectional Range Collocated Tactical Air Navigation WAAS Wide Area Augmentation System WGS World Geodetic System XTK Cross-Track
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 Performance-Based Flight Systems Branch (AFS-470) at 9-AWA-AFS400-Coord@faa.gov or the Flight Standards Directives Management Officer at 9-AWA-AFS-140-Directives@faa.gov.
Subject: AC 90-80C, Approval of Offshore Standard Approach Procedures, Airborne Radar Approaches, and Helicopter En Route Descent Areas Date: _____________________ Please check all appropriate line items:
An error (procedural 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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______________________________________________________________________ ______________________________________________________________________ Other comments:
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