7 Apr 2021 Misheard instruction 9 Mar 2021 Powerline stringing 15 Mar 2021 Serpentine preliminary report 25 Mar 2021 Elevated CO 15 Apr 2021 Misperceived signal 29 Jan 2021 Insidious danger of CO 2 Feb 2021 Unclear communications 3 Feb 2021 Ambiguous runway lighting 12 Feb 2021 Inadvertent hazard 24 Feb 2021 Main rotor strike 12 Feb 2021 Visual inspections 26 Feb 2021 Effective management of risks Pagination First Previous 43 44 45 46 47 Next Last