what are standard takeoff minimums part 91?
Unless otherwise authorized by the FAA, for Part 121/135 operators and sometimes Part 91 operators, standard takeoff minimums under IFR are the following: 1 And 2 Engines: 1 Statute Mile Visibility. 3 Or More Engines: 1/2 Statute Mile Visibility. Helicopters: 1/2 Statute Mile Visibility.