Corewell Health Butterworth Airport (Grand Rapids, MI) MI97 ملاحظات
| A42-H2 | White cross with red H on rooftop. |
| A42-H1 | White cross with red H on rooftop. |
| A18 | Medical use. |
| A16 | Facility manager luke thomas 616-391-0543. |
| A14 | Aeromed spectrum health 5452 N 4TH st grand rapids, mi 49503 616-391-5330. |
| A110-2 | For clearance contact great lakes approach at 269-459-3345, when approach closed contact chicago artcc at 630-906-8921. |
| A110-1 | H1 north pad, H2 south pad. |
