C-1 PILOT
Pre-takeoff checklist
Things have been quiet for a while, now this. Thankfully no injuries...
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20200604X90229
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20200604X90229