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BoomerTheDoomer · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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At a glance
Measured figures
L-39C · Length
Single sourceL-39C · Only the source-declared variant L-39C · L-39C
Single sourceConfiguration
| Specification | L-39C | Grob G 120 |
|---|---|---|
| Variant description | L-39C (C for Cvičná – training)[source]Only the source-declared variant L-39C Standard basic trainer for Soviet Union, Czechoslovakia and export. Originally designated L-39, but renamed L-39C when later variants appeared. Two pylons under wing. Approximately 2,260 built.[source]Only the source-declared variant L-39C | — |
| Airfoil | NACA 64A012 modified[source]Only the source-declared variant L-39C | Eppler E884[source] |
| Never exceed speed | 980 km/h (610 mph, 530 kn) / M0.8[source]Only the source-declared variant L-39C | 435 km/h (270 mph, 235 kn)[source] |
12.13 m (39 ft 10 in)[source]Only the source-declared variant L-39C
39.8 ft[source]L-39C · Aero Vodochody L-39C (x2)
G 120A · Length
Single source8.605 m (28 ft 3 in)[source]
Empty; L-39C · Only the source-declared variant L-39C · L-39C
Single sourceMaximum take-off; L-39C · Max takeoff weight
Single sourceMaximum take-off; L-39C · Only the source-declared variant L-39C · L-39C
Single source3,455 kg (7,617 lb)[source]Only the source-declared variant L-39C
4,700 kg (10,362 lb)[source]Only the source-declared variant L-39C
10,360 lbs[source]L-39C · Aero Vodochody L-39C (x2)
Empty; G 120A · Empty weight
Single sourceGross; G 120A · Gross weight
Single sourceMaximum; L-39C · Only the source-declared variant L-39C · L-39C · at 5,000 m (16,000 ft)
Single source750 km/h (470 mph, 400 kn) at 5,000 m (16,000 ft)[source]Only the source-declared variant L-39C
Ferry; L-39C · Only the source-declared variant L-39C · L-39C · internal and external fuel
Single sourceL-39C · Only the source-declared variant L-39C · L-39C · internal fuel
Single source1,100 km (680 mi, 590 nmi)(internal fuel)[source]Only the source-declared variant L-39C
1,750 km (1,090 mi, 940 nmi) (internal and external fuel)[source]Only the source-declared variant L-39C
991 nm[source]L-39C · Aero Vodochody L-39C (x2)
G 120A · at 8,000 ft (2,400 m) and 45% power
Single source1,540 km (960 mi, 830 nmi) at 8,000 ft (2,400 m) and 45% power)[source]
G 120A · 1 × Lycoming AEIO-540-D4D5 air-cooled flat-six
Single source1 × Lycoming AEIO-540-D4D5 air-cooled flat-six , 190 kW (260 hp)[source]
L-39C · Only the source-declared variant L-39C · L-39C · 1 × Ivchenko AI-25TL turbofan engine thrust
Single source1 × Ivchenko AI-25TL turbofan engine, 16.87 kN (3,790 lbf) thrust[source]Only the source-declared variant L-39C
L-39C · Only the source-declared variant L-39C · L-39C
Single sourceL-39C · Wing Area
Single source18.8 m 2 (202 sq ft)[source]Only the source-declared variant L-39C
202.4 ft 2[source]L-39C · Aero Vodochody L-39C (x2)
G 120A · Wing area
Single source13.29 m 2 (143.1 sq ft)[source]
L-39C · Only the source-declared variant L-39C · L-39C
Single sourceL-39C · Service ceiling
Single source11,000 m (36,000 ft)[source]Only the source-declared variant L-39C
36,000 ft[source]L-39C · Aero Vodochody L-39C (x2)
G 120A · Service ceiling
Single source5,500 m (18,000 ft)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Time to altitude | 5,000 m (16,000 ft) in 5 minutes[source]Only the source-declared variant L-39C | — |
|---|
| Wing loading | 250 kg/m 2 (51 lb/sq ft)[source]Only the source-declared variant L-39C | — |
|---|
| Thrust/weight | 0.37[source]Only the source-declared variant L-39C | — |
|---|
| Take-off roll | 530 m (1,740 ft)[source]Only the source-declared variant L-39C | — |
|---|
| Landing roll | 650 m (2,130 ft)[source]Only the source-declared variant L-39C | — |
|---|
| Hardpoints | Up to 284 kg (626 lb) of stores on two external hardpoints[source]Only the source-declared variant L-39C | — |
|---|
| Manufacturer | Aero Vodochody[source]L-39C · Aero Vodochody L-39C (x2) | Grob Aircraft[source] |
|---|
| Country of origin | Czechoslovakia[source]L-39C · Aero Vodochody L-39C (x2) | Germany[source]Inventory Origin column; table 1, row 17, cell 4; revision 1377212027; retrieved 2026-10-02 |
|---|
| Engine | Ivchenko AI-25TL[source]L-39C · Aero Vodochody L-39C (x2) | — |
|---|
| Thurst (mil) | 3,800 lbs[source]L-39C · Aero Vodochody L-39C (x2) | — |
|---|
| Vne | 530 kts[source]L-39C · Aero Vodochody L-39C (x2) | — |
|---|
| Climb Rate (Sea Level) | 4,100 fpm[source]L-39C · Aero Vodochody L-39C (x2) | — |
|---|
| Type | — | Trainer[source] |
|---|
| National origin | — | Germany[source] |
|---|
| Status | — | Active in production[source] |
|---|
| Primary users | — | French Air and Space Force Israeli Air Force Royal Canadian Air Force German Air Force[source] |
|---|
| Manufactured | — | 1999-present[source] |
|---|
| First flight | — | 1999[source] |
|---|
| Developed from | — | Grob G 115[source] |
|---|
| Variant | — | Grob G 120TP[source] |
|---|
| Fuel capacity | — | 256 litres (56 imp gal; 68 US gal)[source] |
|---|
| Propellers | — | 3-bladed Hartzell HC-C3YR-1RF/F7663R, 1.98 m (6 ft 6 in) diameter[source] |
|---|
| Stall speed | — | 102 km/h (63 mph, 55 kn) with full flaps[source] |
|---|
| g limits | — | +6/-4G[source] |
|---|
| Source measurement | — | The airframe is made of carbon fibre reinforced plastic and is stressed to +6/-4g. Its minimum service life is just over 15,000 flight hours.[source]Grob G 120 · Design and development; only the objects and conditions stated in this passage Piston powered version with a Lycoming AEIO-540-D4D5 six cylinder, four-stroke , air-cooled piston aircraft engine producing 260 hp (194 kW).[source]Grob G 120 · Variants; only the objects and conditions stated in this passage Turboprop powered version with a Rolls-Royce 250-B17F aircraft engine producing 456 shp (340 kW) for take-off and 380 shp (283 kW) for maximum cruise.[source]Grob G 120 · Variants; only the objects and conditions stated in this passage Israeli Air Force : 17 The Snunit used by the IAF has a Lycoming AEIO-540-D4D5 engine that produces a maximum speed of 235 km/h (127 kn).[source]Grob G 120 · Operators; only the objects and conditions stated in this passage Length: 8.605 m (28 ft 3 in)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Wingspan: 10.19 m (33 ft 5 in)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Height: 2.57 m (8 ft 5 in)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Wing area: 13.29 m 2 (143.1 sq ft)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Empty weight: 960 kg (2,116 lb)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Gross weight: 1,440 kg (3,175 lb)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Max takeoff weight: 1,490 kg (3,285 lb) (Utility)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Fuel capacity: 256 litres (56 imp gal; 68 US gal)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Powerplant: 1 × Lycoming AEIO-540-D4D5 air-cooled flat-six , 190 kW (260 hp)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Propellers: 3-bladed Hartzell HC-C3YR-1RF/F7663R, 1.98 m (6 ft 6 in) diameter[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Maximum speed: 319 km/h (198 mph, 172 kn)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Cruise speed: 307 km/h (191 mph, 166 kn) at 75% power (1,500 m (5,000 ft))[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Stall speed: 102 km/h (63 mph, 55 kn) with full flaps[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Never exceed speed : 435 km/h (270 mph, 235 kn)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Range: 1,540 km (960 mi, 830 nmi) at 8,000 ft (2,400 m) and 45% power)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Endurance: 6.35 hours at 10,000 ft and maximum endurance power setting[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Service ceiling: 5,500 m (18,000 ft)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage g limits: +6/-4G[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage Rate of climb: 6.5 m/s (1,280 ft/min)[source]Grob G 120 · Specifications (G 120A); only the objects and conditions stated in this passage |
|---|
Maximum take-off; G 120A · Utility
Single source