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King Air 90 Series Upgrades
> Blackhawk XP21 Engine Upgrade
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Blackhawk Modifications, Inc.
7601 Karl May Drive
Waco, TX 76708
(254) 755-6711
370 Airport Road
Elizabethtown, NC 28337
(910) 247-4410
After Hours AOG
Michael Moore • (254) 644-8552
Bill Brooks • (910) 691-2144
The Blackhawk XP21 is a simple, bolt-on upgrade for the King Air A90, B90 & C90 that replaces existing PT6A-20 and -20A engines with current generation PT6A-21 engines. These modern engines run cooler and produce more power at altitude than the original engines. Lower overhaul and maintenance cost, coupled with an ample supply of low- to mid-time engines, make the Blackhawk XP21 the smart choice for your King Air.
Available For: A90, B90, C90
Call For Special 2010 Pricing!
Request Customized Quote
Brochure - XP21 for the King Air A90-C90
En
The Blackhawk XP21 Engine Upgrade for the King Air 90 Series Benefits Include
Current engine technology
Lower maintenance cost
Lower overhaul cost
Large parts availabilityy
Ample used-engine availability
Increased take-off, climb and cruise performance
The Blackhawk XP21 Engine Upgrade for the King Air 90 Series Performance Comparison
The Blackhawk XP21 Engine Upgrade for the King Air 90 Series Includes
STC paperwork and flight manual supplement
Installation drawings and instructions
Blackhawk XP21 logbook case, cycle book and aircraft decals
The Blackhawk XP21 Engine Upgrade for the King Air 90 Frequently Asked Questions
What is the price?
$25,000 for the STC paperwork, flight manual supplement and installation instructions. Please call for current engine availability and pricing.
Can I put the airplane on charter?
Yes. In fact many charter companies prefer this upgrade as a viable alternative to the full Blackhawk XP135A Engine upgrade due to cost considerations.
How much more does the upgrade weigh?
No weight change for the PT6A-21 engine.
Are there any modifications to the airframe?
Only on the older - pre 1975 King Air C90s. They require a larger exhaust duct so the cowl must be cut to allow for a larger exhaust stack. An after market exhaust stack must be purchased at an additional cost. All other aircraft require no airframe modifications.
Can my shop do the installation or does Blackhawk have to do the installation?
Blackhawk does not do installations. Although the installation is basically an engine change, we have found that you will save time if it is done at any of our approved installation facilities worldwide. They have the experience to complete it faster and with the higher exacting quality setup that we demand. See our distributor list for an installer near you.
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