| 2011-12-26 | 🇺🇸Green Cove Springs, United States | Bell 206B | 3 | fatal | CFIT / Terrain | NTSB |
| 2011-12-26 | 🇺🇸Simsbury, United States | CHAPEL ROBERT B AERIAL | - | unknown | Unknown | NTSB |
| 2011-12-21 | 🇺🇸Fall Branch, United States | Hughes 369D | - | unknown | Unknown | NTSB |
| 2011-12-17 | 🇰🇪Mokwo, Kenya | Eurocopter AS350B2 | - | minor | Pilot error | Kenya AAID |
| 2011-12-17 | 🇦🇶near Neumayer III Station, Antarctica | MBB Bo 105CBS-4 | - | serious | Weather | BFU |
| 2011-12-17 | 🇦🇶near Neumayer III Station, Antarctica | MBB Bo 105CBS-4 | - | serious | Weather | BFU |
| 2011-12-14 | 🇺🇸Tucson, United States | Robinson R22 Beta | - | serious | Unknown | NTSB |
| 2011-12-13 | 🇺🇸Rock Springs, United States | Bell 407 | - | unknown | Unknown | NTSB |
| 2011-12-12 | 🇩🇰Klejs, near Juelsminde, Denmark | Robinson R44 Raven I | - | serious | Weather | TV Syd |
| 2011-12-09 | 🇧🇷Sao Bento do Sul, Brazil | Robinson R44 | 1 | fatal | Unknown | NTSB |
| 2011-12-08 | 🇦🇶near Zhongshan Station, Antarctica | Kamov Ka-32A11BC | - | serious | Pilot error | CAAC |
| 2011-12-08 | 🇺🇸Las Vegas, United States | Eurocopter AS350B2 | 5 | fatal | Pilot error | NTSB |
| 2011-12-07 | 🇺🇸Waipahu, United States | Robinson R22 Beta | - | unknown | Unknown | NTSB |
| 2011-12-01 | 🇺🇸Wingate, United States | Bell 206L-3 | - | unknown | Unknown | NTSB |
| 2011-12-01 | 🇺🇸Gulf Of Mexico, United States | Bell 407 | - | minor | Mechanical failure | NTSB |
| 2011-11-29 | 🇳🇵Lobuche, Nepal | Eurocopter AS350B | - | serious | Pilot error | Himalayan Ti |
| 2011-11-25 | 🇪🇨Quito, Ecuador | Bell 212 | - | serious | Unknown | NTSB |
| 2011-11-24 | 🇺🇸Hackensack, United States | Robinson R44 II | 1 | fatal | Unknown | NTSB |
| 2011-11-15 | 🇺🇸Grand Canyon, United States | Bell UH-1H | - | serious | Mechanical failure | NTSB |
| 2011-11-14 | 🇺🇸Woodburn, United States | Bell 206B | - | serious | Unknown | NTSB |
| 2011-11-13 | 🇺🇸Carbondale, United States | Eurocopter BK117 B-2 | - | unknown | Unknown | NTSB |
| 2011-11-12 | 🇪🇸Andratx, Spain | Hughes 500 | 2 | fatal | Unknown | NTSB |
| 2011-11-10 | 🇺🇸Pukoo, United States | Eurocopter EC130 B4 | 5 | fatal | CFIT / Terrain | NTSB |
| 2011-11-08 | 🇺🇸San Diego, United States | Bell 47D-1 | - | minor | Unknown | NTSB |
| 2011-11-05 | 🇺🇸West Palm Beach, United States | Robinson R22 Beta | - | unknown | Pilot error | NTSB |
| 2011-11-03 | 🇺🇸Noblesville, United States | Eurocopter EC130 B4 | - | unknown | Weather | NTSB |
| 2011-11-02 | 🇨🇦Kapuskasing, Canada | Bell 206L | 3 | fatal | Unknown | NTSB |
| 2011-10-29 | 🇺🇸Iliamna, United States | Eurocopter AS350B2 | 1 | fatal | CFIT / Terrain | NTSB |
| 2011-10-27 | 🇺🇸Colusa, United States | Hughes 500D | - | unknown | Mechanical failure | NTSB |
| 2011-10-18 | 🇵🇹Trancoso, Portugal | Bell 212 | - | minor | Mechanical failure | GPIAA |
| 2011-10-16 | 🇰🇪Liboi, Kenya | Hughes 500MD | 5 | fatal | Mechanical failure | Washington P |
| 2011-10-15 | 🇻🇪Santa Rosa, Venezuela | Bell 412 | - | serious | CFIT / Terrain | NTSB |
| 2011-10-14 | 🇺🇸Fort Worth, United States | Schweizer 269A | - | unknown | Unknown | NTSB |
| 2011-10-07 | 🇺🇸South Pass 93A, United States | Eurocopter AS350B2 | - | minor | Unknown | NTSB |
| 2011-10-04 | 🇺🇸New York, United States | Bell 206B | 2 | fatal | Mechanical failure | NTSB |
| 2011-10-04 | 🇺🇸McAllen, United States | Eurocopter EC120B | - | unknown | Wire strike | NTSB |
| 2011-10-04 | 🇺🇸Hibbing, United States | Robinson R22 Beta | - | unknown | Pilot error | NTSB |
| 2011-10-01 | 🇺🇸Philip, United States | Robinson R66 | 1 | fatal | Unknown | NTSB |
| 2011-09-30 | 🇨🇱Bienservida, Chile | Bell 212 | 1 | fatal | Unknown | NTSB |
| 2011-09-27 | 🇺🇸Clearwater, United States | Robinson R44 | - | unknown | Pilot error | NTSB |
| 2011-09-27 | 🇺🇸Ahwahnee, United States | Bell 47D-1 | - | serious | Unknown | NTSB |
| 2011-09-26 | 🇺🇸Juneau, United States | Eurocopter AS350BA | - | minor | Weather | NTSB |
| 2011-09-25 | 🇮🇩Mataram, Indonesia | Bell 412SP | 2 | fatal | Unknown | NTSB |
| 2011-09-24 | 🇺🇸Douglas, United States | Robinson R22 Beta | - | unknown | Unknown | NTSB |
| 2011-09-23 | 🇺🇸Curren, United States | Robinson R44 | 2 | fatal | Weather | NTSB |
| 2011-09-23 | 🇺🇸Seward, United States | Bell 206B III | - | minor | Unknown | NTSB |
| 2011-09-22 | 🇺🇸Ramona, United States | Schweizer 269C | - | minor | Pilot error | NTSB |
| 2011-09-15 | 🇺🇸Spicewood, United States | Bell 206B | - | minor | Mechanical failure | NTSB |
| 2011-09-10 | 🇧🇷Rio de Janeriro, Brazil | Robinson R44 | 2 | fatal | Unknown | NTSB |
| 2011-09-08 | 🇦🇺Rockhampton, Australia | Eurocopter AS350 | - | unknown | Under investigation | NTSB |
| 2011-09-04 | 🇺🇸Tehachapi, United States | Bell 205 | - | unknown | Mechanical failure | NTSB |
| 2011-09-03 | 🇺🇸Heber City, United States | Enstrom 280FX | - | serious | Mechanical failure | NTSB |
| 2011-09-03 | 🇦🇺Plutonic Aero., Australia | Robinson R44 | 1 | fatal | Unknown | NTSB |
| 2011-09-03 | 🇺🇸St. Petersburg, United States | Robinson R22 Beta | - | minor | Unknown | NTSB |
| 2011-09-01 | 🇺🇸Stockton, United States | Bell UH-1H | - | unknown | Unknown | NTSB |
| 2011-08-30 | 🇧🇷Sao Sebastiao, Brazil | Robinson R44 | 3 | fatal | Unknown | NTSB |
| 2011-08-30 | 🇺🇸Unalaska, United States | Robinson R22 Beta | - | unknown | Unknown | NTSB |
| 2011-08-29 | 🇺🇸Menominee, United States | Enstrom F-28F | - | unknown | Unknown | NTSB |
| 2011-08-28 | 🇨🇦St. Ferdinand, Canada | Robinson R44 | 4 | fatal | Unknown | NTSB |
| 2011-08-28 | 🇻🇺South Malekula, Vanuatu | Hughes 369D | 1 | fatal | Unknown | NTSB |
| 2011-08-27 | 🇺🇸Titusville, United States | Schweizer 269C-1 | - | unknown | Unknown | NTSB |
| 2011-08-26 | 🇺🇸Batesville, United States | Robinson R44 | - | unknown | Pilot error | NTSB |
| 2011-08-26 | 🇺🇸Mosby, United States | Eurocopter AS350B2 | 4 | fatal | Unknown | NTSB |
| 2011-08-21 | 🇺🇸Mt. Clemens, United States | Schweizer 269C | 1 | fatal | Pilot error | NTSB |
| 2011-08-21 | 🇺🇸Los Banos, United States | Bell 47G-4 | - | unknown | Unknown | NTSB |
| 2011-08-18 | 🇦🇺Marree, Australia | Eurocopter AS355 | 3 | fatal | Unknown | NTSB |
| 2011-08-15 | 🇺🇸Ocate, United States | Robinson R44 | - | serious | Unknown | NTSB |
| 2011-08-14 | 🇺🇸Los Banos, United States | Bell 47G-3B-2 | - | minor | Unknown | NTSB |
| 2011-08-11 | 🇺🇸Titusville, United States | Robinson R22 | - | unknown | Pilot error | NTSB |
| 2011-08-08 | 🇺🇸Deer Park, United States | Robinson R22 Beta | - | minor | Unknown | NTSB |
| 2011-08-06 | 🇺🇸Chino Hills, United States | RotorWay EXEC | - | minor | Mechanical failure | NTSB |
| 2011-08-06 | 🇺🇸Metone, United States | Eagle R&D Helicycle | - | minor | Mechanical failure | NTSB |
| 2011-08-02 | 🇦🇴Malanje, Angola | Mil Mi-17 | 1 | fatal | Weather | ANGOP |
| 2011-08-02 | 🇺🇸Charles City, United States | Bell 47G-2 | - | serious | Unknown | NTSB |
| 2011-08-01 | 🇺🇸Relience, United States | Bell 206 | - | minor | Wire strike | NTSB |
| 2011-08-01 | 🇺🇸Joice, United States | Texas Helicopter Corporation OH-13H/M74A | - | unknown | Wire strike | NTSB |
| 2011-07-31 | 🇳🇱Lelystad, Netherlands | Guimbal Cabri G2 | - | serious | Pilot error | Dutch Safety |
| 2011-07-31 | 🇺🇸Rushford, United States | Bell OH-58C | - | unknown | Wire strike | NTSB |
| 2011-07-31 | 🇺🇸Porterville, United States | Bell 47G | - | unknown | Unknown | NTSB |
| 2011-07-30 | 🇵🇷Humacao, Puerto Rico | Eurocopter AS350B3 | - | unknown | Unknown | NTSB |
| 2011-07-29 | 🇺🇸Darlington, United States | Schweizer 269C | - | unknown | Mechanical failure | NTSB |
| 2011-07-29 | 🇳🇬Ikonifin, near Ife Odan, Nigeria | Eurocopter AS350B2 | 3 | fatal | CFIT / Terrain | AIB Nigeria |
| 2011-07-29 | 🇬🇧Leeds, United Kingdom | MD Helicopters MD 900 | - | unknown | Unknown | NTSB |
| 2011-07-28 | 🇺🇸Creston, United States | Texas Helicopter Corporation OH-13H/M74A | - | unknown | Pilot error | NTSB |
| 2011-07-27 | 🇦🇺Fitzroy Crossing, Australia | Robinson R22 | 1 | fatal | Unknown | NTSB |
| 2011-07-27 | 🇺🇸Nicolett, United States | Bell 47G-2A | - | unknown | Pilot error | NTSB |
| 2011-07-27 | 🇺🇸Troutdale, United States | Eurocopter AS350B3 | - | minor | Mechanical failure | NTSB |
| 2011-07-25 | 🇺🇸Wilton, United States | Sikorsky UH-34D | 1 | fatal | Pilot error | NTSB |
| 2011-07-25 | 🇺🇸Chelan, United States | Sikorsky S-55B | 1 | fatal | Wire strike | NTSB |
| 2011-07-25 | 🇺🇸Brewster, United States | Sikorsky S-55B | - | minor | Pilot error | NTSB |
| 2011-07-24 | 🇬🇧Cornwall, United Kingdom | Robinson R44 II | 1 | fatal | Unknown | NTSB |
| 2011-07-23 | 🇺🇸Temple, United States | Bell 206B | - | unknown | Wire strike | NTSB |
| 2011-07-23 | 🇺🇸Broomfield, United States | Robinson R44 II | - | unknown | Unknown | NTSB |
| 2011-07-20 | 🇺🇸Watsonville, United States | Bell 47G-5 | - | unknown | Wire strike | NTSB |
| 2011-07-20 | 🇺🇸Dayton, United States | Robinson R22 Beta | - | serious | Pilot error | NTSB |
| 2011-07-12 | 🇨🇴Girardot, Colombia | Robinson R66 | 2 | fatal | Unknown | NTSB |
| 2011-07-12 | 🇺🇸Wenatchee, United States | Schweizer 269C | - | unknown | Pilot error | NTSB |
| 2011-07-11 | 🇲🇲Yetagun oil field, Andaman Sea, Myanmar | Sikorsky S-76C++ | 3 | fatal | Mechanical failure | NTSB |
| 2011-07-10 | 🇺🇸West Palm Beach, United States | Robinson R22 Beta | - | minor | Unknown | NTSB |
| 2011-07-09 | 🇺🇸Rising Sun, United States | Robinson R44 II | 1 | fatal | Unknown | NTSB |