 |
 |
| November 11, 1979 |
| Alpena |
| Oscola |
| Traverse City |
| Mount Pleasant |
| Cadillac |
| Detroit Metro |
| Lansing |
| Chicago O'Hare |
| SEACO AIRLINES |
|
|
| November 11, 1979 |
| Alpena |
| Oscola |
| Traverse City |
| Mount Pleasant |
| Cadillac |
| Detroit Metro |
| Lansing |
| Chicago O'Hare |
| SEACO AIRLINES |