St Mary's Hospital Airport (Duluth, MN) MN33 Note
| A110-1 | For clearance contact minneapolis artcc at 651-463-5588. |
| A18 | Medical. |
| A52-H2 | Has 60' building 320' east and 70' stack 400' east. |
| A81-APT | Activate obstn and flood lights - 123.05. |
| A81-BCN | For rotating beacon please call 218-720-2392. |
