The specific papers that were used from Casadevall are:
Campbell, Ernest E., Recommended Flight-Crew Procedures if Volcanic Ash is Encountered, pp.151-156.
Dunn, Micheal G., and Wade, Douglas P., Influence of Volcanic Ash on Gas Turbine Engines, pp. 107-118.
Personal communication with professor Bill Rose was also a valuable resource.
Photographs were used from:
Airline Pilot,Volume 59, Number 6, June/July 1990.
Casedevall, Thomas J., The 1989-1990 Eruption of Redoubt Volcano, Alaska: impacts on aircraft operations, Journal of Volcanology and Geothermal Research, Volume 62, pp. 301-316.
FAA Aviation Safety Journal, Volume 2, Number 3.
Federal Aviation Administration, Special Reveiw: Assuring Aviation Safety After Volcanic Eruptions, March 1993.
Volcanic Hazards & Aircraft Safety Homepage
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