https://amend.watch/0SD9/ What changes at 0SD9 each FAA cycle, in plain English, action items first. en-us Fri, 09 Oct 2026 19:31:29 +0000 720 https://amend.watch/0SD9/#c-2025-02-20 amend.watch/0SD9/2025-02-20 Thu, 23 Jan 2025 09:01:00 +0000 <p>FAA cycle effective 20 Feb 2025 at 0901Z, compared to 23 Jan 2025.</p><h3>FYI (2)</h3><ul><li>Airport: Airport phone number changed to 605-673-2163; airport contact address: 1905 WEST MAIN → 24564 US HWY 16/385; name changed: Rapid Helicopters Inc → Black Hills Aerial Adventures Inc; airport contact city: RAPID CITY → CUSTER; airport contact zip code: 57702 → 57730; airport contact zip+4: none → 6501</li><li>Airport: Name changed: Rapid Helicopters Inc → Mark A Schlaefli</li></ul><p><a href="https://amend.watch/0SD9/#c-2025-02-20">See every change on Amend</a> · <a href="https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/2025-02-20">FAA source</a></p><p><small>Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.</small></p>