Blackhawk

Engine Upgrades

Give Your King Air 90 a Serious Boost with a Blackhawk XP135A Engine+ Upgrade

Whether you fly a C90, E90, or F90 model, this upgrade transforms your aircraft into a faster, more efficient, and more capable performer. At Summit Aviation, we make the process easy—so you can focus on flying farther, faster, and with greater confidence.

Why Upgrade with Blackhawk?

36% increase in available horsepower

Cruise speeds of 260–270+ KTAS

Climb up to 59% faster

Save 30+ hours of flight time annually

Lower your operating costs by up to 10%

Single-engine service ceiling of 19,000 feet

It’s more than a performance upgrade—it’s a value upgrade.

The XP135A Engine+ Upgrade is the most cost-effective way to extend the life, capability, and resale value of your King Air 90. You’ll enjoy better safety margins, quicker climbs, and reduced block times - all without the risks and downtime of buying new.

Why wait for your next overhaul?

Many operators choose to upgrade with hundreds of hours still remaining. With core engine credits, reduced operating costs, and enhanced mission capability, the numbers speak for themselves. It pays to fly faster.

We combine proven Blackhawk performance with expert installation, proactive communication, and a customer-first mindset—because delivering results means more than just delivering power.

Focused on trust, driven by precision.

Ready to Upgrade?

Talk to us about the right Blackhawk upgrade for your King Air 90 today.

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Blackhawk Engine Upgrades