Greenfield Muni Airport (Greenfield, IA) GFZ 備註
| A83 | Wind indicator lights activated via 122.9. |
| A81-APT | Activate MIRL runway 7/25 - CTAF. MIRL runway 07/25 preset on low intensity; to incr intensity - CTAF. |
| A58-32 | 18' hangar 50' from runway end and 250' right |
| A110-4 | For clearance contact minneapolis artcc at 651-463-5588. |
| A110-3 | Runway 25 is calm wind runway. |
| A110-2 | Inadqt clearance for hldg on turnaround at threshold of runway 14. |
| A110-1 | Phone on airport. |
