| 2025-05-19 | 🇺🇸Fort Washington, United States | MBB-BK 117 C-1 | — | unknown | Under investigation | NTSB |
| 2025-03-10 | 🇺🇸Canton, United States | EC 135 P2+ | 3 | fatal | Under investigation | NTSB |
| 2025-02-25 | 🇺🇸Hampstead, United States | EC 135 P2+ | — | unknown | Under investigation | NTSB |
| 2025-02-17 | 🇺🇸Philadelphia, United States | EC135T2 | — | unknown | Under investigation | NTSB |
| 2024-03-07 | 🇺🇸West Lafayette, United States | MBB-BK 117 C-2 | — | unknown | Under investigation | NTSB |
| 2023-09-13 | 🇺🇸Fargo, United States | EC135T2 | — | unknown | Under investigation | NTSB |
| 2023-03-09 | 🇺🇸Franklin, United States | EC 135 P2+ | — | minor | Pilot error | NTSB CAROL ↗ |
| 2023-03-09 | 🇺🇸Franklin, United States | EC 135 P2+ | — | unknown | Under investigation | NTSB |
| 2022-07-20 | 🇺🇸Mount Vernon, United States | EC 135 | — | unknown | Under investigation | NTSB |
| 2022-07-19 | 🇺🇸Mount Vernon, United States | EC 135 | — | unknown | Fire | NTSB CAROL ↗ |
| 2022-06-18 | 🇺🇸Waukesha, United States | EC 135 P2+ | — | unknown | Under investigation | NTSB |
| 2022-06-18 | 🇺🇸Waukesha, United States | EC 135 P2+ | — | unknown | Under investigation | NTSB CAROL ↗ |
| 2022-01-11 | 🇺🇸Drexel Hill, United States | EC135 P2+ | — | serious | Under investigation | NTSB CAROL ↗ |
| 2022-01-11 | 🇺🇸Drexel Hill, United States | EC135 P2+ | — | unknown | Under investigation | NTSB |
| 2018-07-08 | 🇺🇸Chicago, United States | EC135 P1 | — | unknown | Under investigation | NTSB |
| 2018-07-07 | 🇺🇸Chicago, United States | EC135 P1 | — | serious | Pilot error | NTSB CAROL ↗ |
| 2017-10-13 | 🇺🇸Canton, United States | MBB BK 117 | — | unknown | Under investigation | NTSB |
| 2017-10-12 | 🇺🇸Canton, United States | MBB BK 117 | — | unknown | Under investigation | NTSB CAROL ↗ |
| 2017-09-08 | 🇺🇸Hertford, United States | MBB BK 117 | 4 | fatal | Pilot error | NTSB CAROL ↗ |
| 2017-09-08 | 🇺🇸Hertford, United States | MBB BK 117 | 4 | fatal | Under investigation | NTSB |
| 2017-05-25 | 🇺🇸New Castle, United States | EC 135 | 1 | fatal | Under investigation | NTSB CAROL ↗ |
| 2017-05-25 | 🇺🇸New Castle, United States | EC 135 | 1 | fatal | Under investigation | NTSB |
| 2017-02-07 | 🇺🇸Beattyville, United States | EC 135 | — | unknown | Pilot error | NTSB CAROL ↗ |
| 2017-02-07 | 🇺🇸Beattyville, United States | EC 135 | — | unknown | Under investigation | NTSB |
| 2017-01-27 | 🇺🇸Sioux Falls, United States | MBB BK 117 C-2 | — | unknown | Under investigation | NTSB |
| 2017-01-26 | 🇺🇸Sioux Falls, United States | MBB BK 117 C-2 | — | unknown | Under investigation | NTSB CAROL ↗ |
| 2016-04-26 | 🇺🇸Pittsburgh, United States | MBB BK 117 C-2 | — | unknown | Mechanical failure | NTSB CAROL ↗ |
| 2016-04-26 | 🇺🇸Pittsburgh, United States | MBB BK 117 C-2 | — | unknown | Under investigation | NTSB |
| 2015-11-06 | 🇺🇸Monongahela, United States | EC 135 | — | unknown | Under investigation | NTSB |
| 2015-04-28 | 🇺🇸Austin, United States | MBB BK 117 C-2 | 1 | fatal | Under investigation | NTSB |
| 2013-11-09 | 🇺🇸Shreveport, United States | EC135P1 | — | unknown | Under investigation | NTSB |
| 2013-02-14 | 🇺🇸Danville, United States | MBB-BK 117 C-2 | — | unknown | Under investigation | NTSB |
| 2012-07-24 | 🇺🇸Houston, United States | MBB-BK 117 C-2 | — | unknown | Under investigation | NTSB |
| 2011-01-02 | 🇺🇸Albert Lea, United States | MBB-BK 117 C-2 | — | unknown | Under investigation | NTSB |
| 2010-12-31 | 🇺🇸Weyers Cave, United States | EC 135 P2 | 2 | fatal | Under investigation | NTSB |
| 2010-12-04 | 🇺🇸Boston, United States | MBB-BK 117 C-1 | — | unknown | Under investigation | NTSB |
| 2009-08-17 | 🇺🇸North Captiva Island, United States | EC-145 | — | unknown | Under investigation | NTSB |
| 2008-05-11 | 🇺🇸La Crosse, United States | EC 135 T2+ | 3 | fatal | Under investigation | NTSB |