Meml Medical Center Airport (Ludington, MI) 3MI4 备注
| A52-H1 | 60-70 ft power line W; two poles lighted. 60 ft trees 300 ft N, 65 ft E, 245 ft S. |
| A30-H1 | 44 ft diam crc. |
| A110-4 | For clearance contact minneapolis artcc at 651-463-5588. |
| A110-2 | Mason county ldm 3/4 mi E; awos - 119.925. Operations in vicinity of mnt CTAF 123.0. |
