Oelwein Muni Airport (Oelwein, IA) OLZ Note
| A81-APT | Activate MIRL runway 13/31 and REIL runway 13/31 CTAF. |
| A42-18 | And 36 thlds and edges marked with yellow cones. |
| A17 | After hours service by apntmt please call (563) 880-2915. |
| A110-3 | Clearance delivery phone: for clearance contact waterloo approach 319-233-4835. When waterloo approach closed, for clearance contact chicago artcc at 630-906-8921. |
| A110-2 | Ag operations during summer months |
| A110-1 | Runway 18/36 closed after first snowfall. |