AI.II.C.K6FAA-S-ACS-25 · Nov 2023Knowledge
Communication and operational procedures at uncontrolled airports.
Communication and operational procedures at uncontrolled airports.
Bottom line
Planning, clear communications, and enhanced SA during airport surface operations will reduce the potential for surface incidents at airports without an operating control tower.
Key numbers
| Number | What it means |
|---|---|
| Approximately 25 NM of the airport, below 10,000 feet, at uncontrolled airports with ASOS/AWOS ground-to-air broadcast capability | Weather range |
| 1-877-543-4733, except in Alaska, for MEDEVAC pilots to obtain a clearance | MEDEVAC phone |
FAA references
- AC 91-73 Appendix 1 — AC No: 91-73B
- AIM 4-3-27 (Operations at Uncontrolled Airports With Automated Surface Observing System (ASOS)/Automated Weather Observing System (AWOS)) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
- AIM 5-2-3 (IFR Clearances Off Uncontrolled Airports) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
- AFH Glossary (p. G-4) — FAA-H-8083-3C
- AIM 4-1-5 (Communications Release of IFR Aircraft Landing at an Airport Without an Operating Control Tower) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
- PHAK ch. 15 (p. 15-11) — FAA-H-8083-25C (2023)
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