Donnerflug Aviation Services GmbH, a Germany-based skydiving operator, has grown its business with the Supervan 900 aircraft – a Cessna Caravan conversion with Honeywell’s TPE331-12JR turboprop engine offered by Texas Turbine Conversions, Inc. Since operating the Supervan 900, Donnerflug has increased its business by almost 50 percent and has reduced its fuel burn approximately 30 percent, from six liters per jumper to about four liters per jumper. DOWNLOAD PDF