The Grob 109B is a German-built motor glider widely used for both training and private flying, known for its efficient soaring performance combined with reliable powered flight. Discover Grob 109B aircraft for sale worldwide on AvPay. Browse active Grob 109B 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 Grob 109B Aircraft for Sale on AvPay
The Grob 109B is a German-built two-seat touring motor glider with folding 17.40 m wings, a 95 hp Grob 2500 E1 engine and a feathering variable-pitch propeller. AvPay offers a global marketplace for Grob 109B aircraft for sale, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia and South America. Discover your perfect new or used Grob 109B in our extensive online selection and refine your search with filters designed for aircraft buyers.
Refine your Grob 109B search on AvPay with our easy to use filters. Quickly find your ideal aircraft by condition, year, total time, location, price and seller. Compare Grob 109B specifications, equipment and avionics packages to support an informed purchase.
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Interesting facts about the Grob 109B
✈ Grob Aircraft (then Burkhart Grob Flugzeugbau) built the 109B in Germany as an improved version of the 109A.
✈ The 109B uses a Grob 2500 E1 four-cylinder engine rated at 95 hp with a three-position variable-pitch propeller.
✈ You can feather the propeller in flight to reduce drag and soar with the engine stopped.
✈ The RAF operated a military 109B variant as the Vigilant T1 for training and gliding instruction.
✈ Civil maximum take-off mass is 850 kg. RAF airframes operated to a higher authorised mass of 908 kg.
✈ The aircraft carries 100 litres of fuel in standard configuration, supporting long touring flights.
✈ The Never Exceed Speed (VNE) is 240 km/h. Airbrakes assist speed control and steep approaches.
✈ The 109B’s folding wings simplify hangar storage and allow easy road transport after wing removal.
Grob 109B Specifications
Information provided here is as a guide only. Do not use this data for flight planning or aircraft operations. Model options, equipment, modifications and age will affect the numbers below. Please check with the seller, manufacturer or aviation authority for precise aircraft specifications.
Length: 8.10 m (26 ft 7 in)
Wingspan: 17.40 m (57 ft 1 in)
Height: 1.80 m (5 ft 11 in)
Wing Area: 19.00 m² (204.5 ft²)
Empty Weight: 620 kg (1,367 lb)
Max Take Off Mass (civil): 850 kg (1,874 lb)
Fuel Capacity: 100 L (26 US gal; 22 imp gal)
Structure: Glass-reinforced plastic composite
Landing Gear: Fixed tailwheel
Typical Cruise Speed: 175–190 km/h (95–103 kt)
Stall Speed (clean): 73 km/h (39 kt)
Rate of Climb: ~3.3 m/s (650 ft/min)
Service Ceiling: ~6,000 m (20,000 ft)
Range (economical): ~1,400 km (750+ nm) with 100 L
Glide Ratio (prop feathered): ~28:1
Propeller: Three-position variable-pitch with feather
FAQs About the Grob 109B
How much does a Grob 109B cost?
Market values vary by year, engine and prop condition, avionics and total time. As a general guide, European listings in 2023–2025 often ranged from €70,000 to €120,000. Always confirm the current asking price and recent maintenance before you buy.
What are the key dimensions and weights?
Length is 8.10 m. Wingspan is 17.40 m. Wing area is 19.00 m². Empty weight is about 620 kg and civil MTOM is 850 kg.
Is the Grob 109B suitable for training and touring?
Yes. Side-by-side seating, long endurance and docile handling support ab-initio training, cross-country soaring and touring.
Can I soar with the engine stopped?
Yes. You can feather the propeller and shut the engine down in flight. The aircraft then glides efficiently for thermal or ridge lift.
What should I check before purchasing?
Review engine and prop hours, recent cylinder work, propeller hub condition, spar and control surface inspections, and fabric or paint condition. Confirm logbook continuity, AD/SB compliance and fuel system integrity.
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