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The first of its starter motors is a new FAA-PMA approved design eligible on TCM engines. The PowerFlite series of aviation engine starters represents a new state-of-the-art energy efficient design providing reduced current draw and long life. The PowerFlite starter mounts directly to existing TCM engines and is available in both 12 and 24 volt configurations.

Starter part numbers PL13459 (12v) and PL13484 (24v) are eligible on TCM engine models O-300-D, GO-300-D, IO-346, IO-360, L/TSIO-360, O-470, IO-470, TSIO-470, IO-520, TSIO-520, GTSIO-520, IO-550, TSIO-550 and TSIOL-550.


  • 20% less current draw than competitive starters
  • Aerospace quality brushes for longer life
  • New field wound electric motor design with optimized magnetics
  • Ball bearing design resulting in low internal friction and heat
  • No internal clutches or planetary gears
  • 5 Year TBO Warranty
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Replaced Sky-Tec C24-ST5 with Sky-Tec/Hartzell (formerly PowerFlite) PL13484 starter on my Bonanza V35B with IO550B. The the difference is amazing in speed of prop turning and ease of engine start.

T. W
April 15, 2021

I have a Cirrus SR22T that bought in Florida 2018. It came with the standard Skytech starter that would barely turn the engine over when it was hot, forget actually starting it. I talked with Fixed Wing Aviation about it after they finished the pre buy, they convinced me the Tempest (now Hartzell) starter would solve the problem. Night and day difference starting the engine when its hot. It spins over so fast you could almost taxis on it.!!! No more flywheel damage either. You wont be disappointed.

Bill T
February 2, 2021

My mechanic replaced my stock Skytec ST5 starter with this PowerFlite starter in my Cirrus SR22 in 10/2019 and I highly recommend the upgrade. The PowerFlite has a 5 year warranty and most importantly, hot starts are much easier. Previously, the PowerFlite was branded a Tempest starter but it looks like Hartzell is continuing the PowerFlite - heres the explanation from Tempest: This is John Herman from Tempest. Let me explain the starter mystery. Our PowerFlite starter was the design and manufacture of a third party, Aerospace Components in Lakeview, MI. For ten years we sold and branded their starter as a Tempest PowerFlite. Unfortunately, I was informed in November, after the fact, that Aerospace Components sold out to Hartzell Engine Technologies.

Steve W
April 21, 2020

Smooth transaction- on time delivery- great product!

James H
November 17, 2019

Ordering from Aircraft Spruce web site was easy. Delivery 3 days after placing order. Tempest stater motor is a great improvement over original equipment. Low amp draw and fast engine turnover.

Brian W
July 21, 2017


Q: How much does the Tempest Starter 24Volt weigh? What are the dimensions?

The starter alone weighs 14.15 lbs. Dimensions are approximately 7" x 6" x 5.5".

Q: I ordered this starter but when it arrived it is branded Sky-Tec with part number PL13459 and does not mention PowerFlite anywhere on the starter. Sky-Tec sells a Powerlite starter but doesnt list a PowerFlite on their website. What gives?

Hartzell has recently purchased Powerflight and have rebranded them as Skytec.

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