| Site | Code |
|---|---|
| GREENVILLE (AMOS) & | K3B1 |
| CLAYTON LAKE | K40B |
| AUGUSTA STATE ARPT | KAUG |
| BANGOR INTL ARPT & | KBGR |
| BAR HARBOR (AWOS) | KBHB |
| CARIBOU MUNICIPAL | KCAR |
| FRENCHVILLE | KFVE |
| HOULTON INTL ARPT & | KHUL |
| WISCASSET | KIWI |
| FRYEBERG | KIZG |
| AUBURN-LEWISTON | KLEW |
| MILLINOCKET MUNI | KMLT |
| BRUNSWICK NAS | KNHZ |
| PRESQUE ISLE (AWOS) | KPQI |
| PORTLAND INTL JET | KPWM |
| ROCKLAND/KNOX(AWOS) | KRKD |
| SANFORD MUNI (AWOS) | KSFM |
| WATERVILLE (AWOS) | KWVL |