The Stinson L-5 Sentinel is a two seat tandem liaison aeroplane built for military observation and communications, designed to get in and out of short, unimproved strips. Discover Stinson L-5 Sentinel for sale worldwide on AvPay. Browse active Stinson L-5 Sentinel 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!
Finding a Stinson L-5 Sentinel for Sale on AvPay
AvPay offers a global marketplace for Stinson L-5 Sentinel airplanes, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia, South America and beyond. Stinson L-5 Sentinel is a two seat single engine high wing liaison and observation aircraft built for military service, with strong short field capability and a reputation for rugged utility. Discover your perfect new or used Stinson L-5 Sentinel aircraft in our extensive online selection.
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As a leading aviation marketplace, AvPay features a diverse range of aircraft for sale, including the distinctive Stinson L-5 Sentinel. Explore our full Stinson selection here, or browse all aircraft from various manufacturers here.
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Interesting facts about the Stinson L-5 Sentinel
✈ Stinson designed the L-5 as a purpose built military liaison aircraft, unlike many light aircraft adapted from civil models.
✈ The type supported artillery spotting, message carrying and front line liaison, missions that rewarded slow speed control and fast turnarounds.
✈ Aeromedical evacuation shaped the aircraft’s legacy, and some variants added a large access hatch to load a stretcher or bulky cargo.
✈ Many L-5s served from short unimproved strips, so buyers often prioritise landing gear condition, brake health and tailwheel maintenance.
✈ The standard aircraft uses a Lycoming O-435 series six cylinder piston engine, a key ownership factor for parts planning and overhaul scheduling.
✈ The greenhouse style cabin provides excellent outward visibility, which matters for observation flying and low level scenic touring today.
✈ The US Navy and US Marine Corps used the OY-1 and OY-2 designations for transferred aircraft, a detail that often appears in logbooks and data plates.
✈ Survivors frequently carry mission era modifications or later approvals, so paperwork accuracy matters as much as airframe condition.
Model Variants for buyers to consider when purchasing a Stinson L-5 Sentinel
Stinson produced the L-5 in several well known variants that can affect usability and restoration scope. Early production appears as O-62 in contract paperwork and then as L-5, while the L-5B adds an ambulance focused rear fuselage hatch and supports float equipment on some aircraft, which can change utility and weight planning. The L-5C and L-5E relate to observation tasks, with the L-5E also noted for drooping ailerons to improve low speed handling. The L-5E-1 adds off field equipment such as larger wheels and heavier duty brakes, while the L-5G introduces a 24 volt system and higher power installation, and it also links to the OY-2 designation in naval service. Buyers should confirm the exact variant and configuration from the data plate and logbooks because many aircraft have been modified over time.
Stinson L-5 Sentinel 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: 24 ft 1 in (7.34 m)
Wingspan: 34 ft 0 in (10.36 m)
Height: 7 ft 11 in (2.41 m)
Empty Weight: 1,550 lb (703 kg) approx
Max Take Off Weight (MTOW): 2,250 lb (1,021 kg) civil limit
Cruise Speed: 100 mph (160 km/h, 87 kn)
Range: 375 mi (604 km, 326 nm) no reserve
Service Ceiling: 15,800 ft (4,800 m)
Rate of Climb: 900 ft/min (4.6 m/s) at sea level
FAQs About the Stinson L-5 Sentinel
What is the Stinson L-5 Sentinel used for?
The L-5 served as a liaison and observation aircraft, with common missions that included artillery spotting, courier work and short range reconnaissance. Many aircraft also supported aeromedical evacuation and supply runs from short unimproved strips.
How many seats does the Stinson L-5 Sentinel have?
The aircraft is a two seater, typically arranged for a pilot and an observer or passenger. Some airframes were configured to carry a stretcher on ambulance oriented variants.
What engine does the Stinson L-5 Sentinel use?
Many L-5 aircraft use the Lycoming O-435 series six cylinder air cooled piston engine. Confirm the exact dash number, propeller type and overhaul history on each listing because installations can differ by variant and by later approvals.
What is the difference between OY-1 and OY-2 markings?
OY-1 and OY-2 are naval service designations applied to transferred L-5 aircraft. The designation can help you trace military history, but you should still verify the exact variant and electrical system details in the paperwork.
What should I check first when buying a Stinson L-5 Sentinel?
Start with data plate details, complete logbooks and a clear record of repairs and modifications. Then focus on fabric condition, steel tube structure integrity and corrosion risk, plus landing gear, brakes and tailwheel wear. Finally confirm engine health, magneto status and parts support plans for the installed Lycoming variant.
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Sell your Stinson L-5 Sentinel on AvPay
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Find Finance for buying a Stinson L-5 Sentinel
Financing a Stinson L-5 Sentinel usually depends on airframe condition and complete documentation. Provide the lender with logbooks, restoration records and evidence of recent fabric and structural inspections. Share engine details, overhaul status and propeller paperwork early, it can speed up approval. Choose a finance partner familiar with vintage tailwheel aircraft and warbird type operations so terms match how you plan to fly and maintain the aircraft.
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Find Insurance for a Stinson L-5 Sentinel
Insurance for a Stinson L-5 Sentinel often reflects tailwheel time, recent training and your intended operating environment. Gather clear photos, maintenance history and a current condition report, underwriters use them to confirm risk and hull value. Discuss runway types, off field use and any specialised equipment such as floats or ambulance fit, these factors can change coverage. Work with aviation insurance specialists who understand fabric aircraft and historic military types so you can set sensible liability limits and hull protection.
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