@misc{indiciae846db9dbfcff,
  title = {Single pilot IFR operating problems determined from accidental data analysis},
  author = {Forsyth, D. L. and Shaughnessy, J. D.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790002842},
  note = {Source identifier: 19790002842}
}