1. If for some reason the App is not available, use the hardcopy and let an independent party sign as witness.
  2. Care must be taken to complete every required field of the FC required for that performance.
  3. Both OO and pilot must sign before take-off.
  4. Make sure the FC part 1 is submitted online before take-off.
  5. At landing the OO completes the second half of the FC, signs the document and submits online before leaving the airfield.