Company Says New 850 SHP Engine Give Extra Power, Better
By Chris Batcheller
Blackhawk Modifications ... the modification company, not
the helicopter ... recently certified the XP42A upgrade on the
Cessna Caravan with the FAA. The upgrade installs an 850 shp
PT6A-42 with a new engine warranty. It also installs a new carbon
composite, frakes exhaust stacks and a Hartzell 100” four
The bigger engine has several advantages with the biggest being
the extra power will let you maintain airspeed in icing conditions.
This is a big plus for older caravans that were built before the
weeping wing system was introduced. In flight testing the pilots
were able to maintain 170 knots in actual icing conditions with
4-5” of ice on the ice.
The engine has a 3600 TBO, and operators can extend up to 5000
hours with engine trend monitoring.
The most obvious change from an factory Caravan is the single
exhaust has been replaced with two stacks. The stacks are angled to
minimize exhaust soot on the airplane. Blackhawk spent 35,000 man
hours and produced over 102 engineering drawings over 2 1/2
years. The company has sold out this years production with 20
cash deposits and expects to complete up to 3 conversions per