The Grumman G-73 Mallard is a twin-engine amphibious utility aircraft designed to carry up to 10 passengers on regional land and water operations. Discover Grumman G-73 Mallard aircraft for sale worldwide on AvPay. Browse active Grumman G-73 Mallard 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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Interesting facts about the Grumman G-73 Mallard
✈ The Grumman G-73 Mallard is a twin engine amphibious utility aircraft designed and built in the United States by Grumman, a company known for robust naval aircraft and seaplanes.
✈ It features a high mounted wing and retractable landing gear, allowing seamless operation from both water and conventional runways.
✈ The Mallard was developed after the smaller Grumman Goose, offering greater cabin capacity for regional passenger transport and executive use.
✈ Standard configuration provides seating for up to 10 passengers with two crew, making it suitable for short haul commuter routes and private charter.
✈ Early production aircraft were powered by Pratt & Whitney R-1340 radial engines, giving the aircraft strong short field and water performance.
✈ Several Mallards were later converted to turboprop power, significantly improving cruise speed reliability and operating economics for modern operators.
✈ The aircraft became popular with island operators in the Caribbean and Pacific where amphibious capability provided access to remote destinations.
✈ The Mallard’s aluminium hull and wing structure reflect Grumman’s naval engineering heritage, contributing to its reputation for durability in marine environments.
Model Variants for buyers to consider when purchasing a Grumman G-73 Mallard
The Grumman G-73 Mallard was produced in several piston powered variants including the G-73, G-73A and G-73AT, with differences primarily relating to interior layout fuel capacity and equipment fit. Later in-service modifications led to well known turboprop conversions such as those fitted with Pratt & Whitney Canada PT6A engines, often marketed under upgraded designations. These conversions deliver higher cruise speeds improved climb performance and better engine reliability compared with the original radial configuration. For buyers, the choice between original piston examples and turboprop converted aircraft has a significant impact on acquisition cost operating economics maintenance planning and mission suitability.
Grumman G-73 Mallard 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: 14.73 m (48 ft 4 in)
Wingspan: 20.32 m (66 ft 8 in)
Height: 5.72 m (18 ft 9 in)
Empty Weight: 4,241 kg (9,350 lb)
Maximum Take Off Weight (MTOW): 5,783 kg (12,750 lb)
Fuel Capacity: 1,400 L (380 US gal)
Cruise Speed: 290 km/h (160 kn) at 2,400 m
Range: 2,220 km (1,200 nmi)
Service Ceiling: 7,000 m (23,000 ft)
Rate of Climb: 6.6 m/s (1,290 ft/min)
FAQs About the Grumman G-73 Mallard
How much does a Grumman G-73 Mallard cost?
As of 2023, piston powered Grumman G-73 Mallard aircraft were typically advertised between approximately $700,000 and $1,500,000 USD depending on condition total time and refurbishment level. Turboprop converted examples have commanded significantly higher prices in the same period.
Is the Grumman G-73 Mallard pressurised?
The Grumman G-73 Mallard is not pressurised. It operates at moderate altitudes typical of regional and island routes which influences mission planning and passenger comfort considerations.
What engines power the Grumman G-73 Mallard?
Original production aircraft were equipped with two Pratt & Whitney R-1340 radial piston engines. Many aircraft have since been modified with turboprop engines which alter performance maintenance and fuel burn characteristics.
What roles is the Grumman G-73 Mallard best suited for?
The aircraft is well suited to regional passenger transport executive charter and specialist operations requiring amphibious capability such as island services and remote coastal access.
What should buyers inspect carefully on a Mallard?
Prospective buyers should pay close attention to hull condition corrosion history engine overhaul status and the quality of any turboprop conversion or structural modification as these factors directly affect value and long term operating cost.
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Find Finance for buying a Grumman G-73 Mallard
Need financing to purchase your Grumman G-73 Mallard? Specialist aviation lenders understand complex assets such as vintage amphibious aircraft and can structure loans around hull condition engine status and intended commercial or private use. Finance providers will assess total time on airframe engine overhaul cycles and any turboprop conversion when determining terms. Import and export considerations may apply if the aircraft is based overseas. Working with aviation focused finance experts helps ensure realistic valuations and smoother transaction timelines.
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Find Insurance for a Grumman G-73 Mallard
Insuring a Grumman G-73 Mallard requires brokers experienced with amphibious and seaplane operations. Underwriters will review pilot experience on multi engine and seaplane types as well as the aircraft’s maintenance history and operating environment. Premiums can vary significantly between piston and turboprop converted examples due to performance differences and insured value. Operators planning commercial passenger service must also consider regulatory liability requirements in addition to hull coverage. Specialist aviation insurance advisers can help tailor protection to the specific mission profile of your Mallard.
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