Conowingo Hydro Station 
|
List of last helicopters seen near/at Conowingo Dam| 206B-3 | 4473 | N862M | ||
| 206L-4 | 52020 | N63L | Helicopters Inc | |
| A109C | 7646 | N259P / | ||
| AW109E | 11157 | N109BM | ||
| AW139 | 41336 | N388MD / TRP1 | MSP | |
| EC130B4 | 7388 | N85SK | ||
| EC145 | 9522 | N522ME | Johns Hopkins Lifeline | |
| HH-60M | 21-21204 / G21204 | Pennsylvania National Guard | ||
| S-76C | 760746 | N35HF | HeliFlite | |
| UH-72A | 9190 | 07-72042 / EPIC42 | Army | |
| UH-72A | 9333 | 09-72115 / R72115 | Army |
