The Helio AU-24 Stallion is an American single engine turboprop STOL utility aircraft developed for military counter insurgency and transport roles. Discover Helio AU-24 Stallion aircraft for sale worldwide on AvPay. Browse active Helio AU-24 Stallion listings and find available aircraft across the USA, North America, UK, Europe, Asia, Africa, Australia and South America. Connect directly with aircraft brokers, private sellers, flying clubs, flight schools and manufacturers. Explore the full inventory of aircraft for sale on AvPay here!
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Finding a Helio AU-24 Stallion for Sale on AvPay
AvPay offers a global marketplace for Helio AU-24 Stallion fixed wing aircraft, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia, South America, and beyond. Discover your ideal new or used Helio AU-24 Stallion aircraft in our extensive online selection.
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Interesting facts about the Helio AU-24 Stallion
✈ Helio created the Stallion as a turboprop STOL utility design, it shares Helio high lift wing thinking but it is larger than the earlier Courier.
✈ The USAF selected the AU-24A for counter insurgency work, it carried external stores on hardpoints and a 20 mm cannon mounted in the left door on many aircraft.
✈ The AU-24A used a Pratt and Whitney Canada PT6A-27 turboprop rated at 680 shp, buyers should confirm engine program history and remaining life.
✈ Only a small production run was completed, rarity can help resale appeal but it can also increase the importance of spares planning before purchase.
✈ The type saw operational use with the Khmer Air Force in the early 1970s, it flew escort and security missions where STOL performance mattered.
✈ The aircraft was designed around short field access, takeoff and landing figures are a key reason buyers still search for the Stallion today.
✈ Cabin layout focused on utility, many airframes have unique military fittings or later civil changes, so buyers should inspect configuration details carefully.
✈ The Stallion has an active enthusiast community, that can help owners locate specialist knowledge, parts leads and operating tips.
Model Variants for buyers to consider when purchasing a Helio AU-24 Stallion
The Helio AU-24 Stallion family is closely tied to the H-550 development line. Helio built two H-550 prototypes and the AU-24A Stallion became the production version, buyers will often see AU-24A used alongside the H-550A designation in records. Helio also proposed Twin Stallion concepts including the H-634 Twin Stallion and the H-1201T Twin Stallion, these projects explored twin engine layouts but they did not proceed into service aircraft. For buyers the practical takeaway is simple, most market aircraft will be AU-24A examples and you should confirm exact configuration, mission equipment and weight limits because these details affect usability and insurability.
Helio AU-24 Stallion Specifications
Information provided here is as a guide only. This information should not be used for flight planning or other aircraft operations. Aircraft model variations, custom specifications, modifications, upgrades and age will have a considerable impact on the details listed below. Please check with the seller, manufacturer or aviation authority for the precise aircraft specifications.
Length: 12.07 m (39 ft 7 in)
Wingspan: 12.50 m (41 ft 0 in)
Height: 2.82 m (9 ft 3 in)
Empty Weight: 1,297 kg (2,860 lb)
Max Take Off Weight (MTOW): 2,313 kg (5,100 lb)
Fuel Capacity: 450 L (120 US gal)
Cruise Speed: 260 km/h (160 mph, 140 kn)
Range: 1,032 km (641 mi, 557 nmi)
Service Ceiling: 7,600 m (25,000 ft)
Rate of Climb: 11 m/s (2,200 ft/min)
Take-off Run to 15 m (49 ft): 200 m (660 ft)
Landing Run from 15 m (49 ft): 230 m (750 ft)
FAQs About the Helio AU-24 Stallion
Is the Helio AU-24A Stallion different from the H-550A?
Yes, the AU-24A is the military production version associated with counter insurgency equipment and external stores capability, while H-550A wording can appear in development and civil documentation. Always confirm the exact designation in the logbooks and data plate.
What should I check first when reviewing a Helio AU-24 Stallion listing?
Start with airframe hours and engine time, then confirm propeller status, corrosion history and any military modifications that remain installed. Verify that paperwork supports the current configuration and intended use.
How does the Helio AU-24 Stallion perform on short strips?
Short field access is a core reason buyers consider this model. Review the published takeoff and landing figures alongside your typical runway conditions, then factor in weight, density altitude and surface type.
What engine does the Helio AU-24 Stallion use?
The AU-24A commonly uses the Pratt and Whitney Canada PT6A-27 turboprop. Buyers should confirm hot section and overhaul status plus any STC or service bulletin compliance tied to the installation.
Are parts and support a challenge for Helio AU-24 Stallion ownership?
The fleet is small so sourcing airframe specific parts can take planning. Many owners rely on specialist shops, type knowledge and community networks, so it is worth confirming support options before closing a deal.
Get help buying a Helio AU-24 Stallion
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Find Finance for buying a Helio AU-24 Stallion
Need financing to purchase your Helio AU-24 Stallion Aircraft? Specialist aviation finance teams can structure lending around a rare type by focusing on engine condition, prop status and airframe inspection history. Lenders may request a detailed pre purchase inspection report plus copies of major logbook sections. You can often improve approval odds by presenting a realistic maintenance budget and a clear mission profile for how you will operate the aircraft. Work with finance partners who understand legacy turboprops so the loan terms match ownership realities.
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Find Insurance for a Helio AU-24 Stallion
Purchasing a Helio AU-24 Stallion Aircraft is a specialist move and insurance should reflect that. Aviation brokers will look closely at pilot experience, training plans and how you intend to use the aircraft. Hull value will depend heavily on configuration, restoration quality and documentation so clear records matter. Many insurers will also want clarity on any remaining military style equipment and compliance status, so confirm what is installed before binding cover. A specialist broker can help you build a policy that fits the aircraft and your operating profile.
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