Sikorsky S-61 is a twin engine helicopter from the S-61 Sea King family, built in both amphibious and land based variants for demanding operations. Discover Sikorsky S-61 aircraft for sale worldwide on AvPay. Browse active Sikorsky S-61 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 Sikorsky S-61 for Sale on AvPay
AvPay offers a global marketplace for Sikorsky S-61 helicopters, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia, South America and beyond. Discover available new or pre-owned Sikorsky S-61 aircraft used for offshore crew transport, utility lift, government operations and specialist missions.
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Interesting facts about the Sikorsky S-61
🚁 Sikorsky developed the S-61 as the civil line of the SH-3 Sea King, adapting a proven naval design for passenger and utility operations.
🚁 The S-61L was the land based civil transport model, and the S-61N retained amphibious features for overwater work.
🚁 Early airline operators used S-61L helicopters on scheduled city routes, making the type a landmark in US helicopter airline history.
🚁 Offshore operators adopted the S-61N for oil and gas support, where cabin volume and twin engine redundancy mattered.
🚁 Many aircraft have flown long careers with major helicopter operators, and some fleets continue under heavy maintenance programs today.
🚁 The five blade main rotor system became a recognisable feature of the S-61 family, and it helped deliver stable ride quality for passengers.
🚁 Modernisation paths exist for ageing airframes, including structural refurbishment and avionics upgrades that target extended service life.
🚁 Buyers often see S-61 aircraft configured for utility lift, firefighting support, search and rescue and government transport depending on prior ownership.
Model Variants for buyers to consider when purchasing a Sikorsky S-61
The Sikorsky S-61 family centres on the S-61L and S-61N civil transports, where the key buyer choice is land based utility and passenger work versus overwater capability. Both models later appeared in Mk II form, and operators typically associate Mk II aircraft with the CT58-140 engine standard and other refinement changes. The S-61NM combines elements of the L and N configurations, so buyers should confirm the exact landing gear, hull features and mission fit. For operators seeking a modernised platform, the S-61T Triton upgrade targets avionics, wiring and rotor system improvements on selected airframes. In addition, Agusta produced the AS-61N-1 Silver under licence, and buyers should treat it as a distinct option with its own build history and configuration details.
Sikorsky S-61 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.
Overall Length: 17.96 m (58 ft 11 in)
Main Rotor Diameter: 18.90 m (62 ft 0 in)
Powerplant: 2 × General Electric CT58-140 turboshaft engines, 1,500 shp each
FAQs About the Sikorsky S-61
What is the difference between the Sikorsky S-61L and the Sikorsky S-61N?
The S-61L is the non amphibious civil transport model aimed at land based passenger and utility work. The S-61N retains amphibious features that support overwater operations, which many offshore operators preferred.
How many passengers can a Sikorsky S-61 carry?
Sikorsky designed the civil cabin to carry up to 30 passengers depending on interior layout and installed equipment. Buyers should confirm the current seating certificate and interior configuration on the specific aircraft.
What engines power the Sikorsky S-61?
Civil S-61 variants commonly use twin General Electric CT58 series turboshaft engines. Many later aircraft and Mk II examples use the CT58-140 standard, so engine model and overhaul status matter during evaluation.
What maintenance items should buyers prioritise on a Sikorsky S-61?
Start with engine life and module history, major component times, corrosion control records and compliance with applicable airworthiness directives. For older airframes, confirm structural inspections, rotor system status and the availability of parts support through the chosen maintenance provider.
What is the Sikorsky S-61T Triton upgrade, and why does it matter to buyers?
The S-61T Triton refers to a modernisation approach that can combine structural refurbishment with updated wiring and contemporary avionics options. Buyers comparing upgraded aircraft should review the exact modification list, supplemental approvals and the maintenance plan tied to the upgrade.
Get help buying a Sikorsky S-61
Can’t find the Sikorsky S-61 aircraft you’re looking for? Get in touch with an Aircraft Broker to help you buy an aircraft via the Aircraft Broker Directory. Alternatively you can browse Aircraft Brokerage and Aircraft Acquisition Services through the aviation marketplace to help you with the purchase of a Sikorsky S-61 Helicopter.
Sell your Sikorsky S-61 on AvPay
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Find Finance for buying a Sikorsky S-61
Financing a Sikorsky S-61 usually depends on maintenance history, component life remaining and the mission you plan to fly. Lenders often ask for engine and major component times, recent inspection reports and evidence of strong ongoing parts and maintenance support. A clear record of compliance with required directives can strengthen a finance application. If the aircraft has specialist equipment, include its certification status and serviceability as part of the package you present to finance providers.
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Find Insurance for a Sikorsky S-61
Insurance for a Sikorsky S-61 depends on hull value, pilot experience and the operational environment, especially offshore work and external load tasks. Underwriters typically review training records, operating procedures and maintenance control, then match coverage to your mission profile. Confirm whether your operation needs passenger liability, offshore liability, external load coverage and specialist equipment endorsements. A broker experienced with turbine helicopters can help align limits and deductibles with how you plan to operate the aircraft.
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