Credit
Alan Wilson · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
G 115E · Length
Single source7.79 m (25 ft 7 in)[source]
T-3A · Length
Single sourceConfiguration
| Specification | Grob G 115 | Slingsby T67 Firefly |
|---|---|---|
| Type | Basic trainer[source] | Trainer/tourer/sport aircraft[source]RF-6, T67 Firefly |
| Manufacturer | Grob Aircraft[source] | Fournier Slingsby Aviation[source]RF-6, T67 Firefly |
| Status | active[source] | Limited Service[source]RF-6, T67 Firefly |
| Primary users | Royal Air Force Egyptian Air Force Finnish Air Force Royal Navy Army Air Corps (UK)[source] |
24 ft 10 in (7.55 m)[source]
Cruise; G 115E · long range cruising speed
Single sourceMaximum; G 115E · Maximum speed
Single source250 km/h (160 mph, 130 kn)[source]
178 km/h (111 mph, 96 kn) (long range cruising speed)[source]
Cruise; T-3A · Cruise speed
Single sourceMaximum; T-3A · Maximum speed
Single sourceG 115E · 1 × Lycoming AEIO-360-B1F/B 4-cylinder air-cooled horizontally-opposed piston engine
Single source1 × Lycoming AEIO-360-B1F/B 4-cylinder air-cooled horizontally-opposed piston engine, 130 kW (180 hp)[source]
T-3A · 1 × Textron Lycoming AEIO-540-D 6-cylinder horizontally-opposed engine
Single source1 × Textron Lycoming AEIO-540-D 6-cylinder horizontally-opposed engine, 260 hp (194 kW)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Royal Jordanian Air Force Bahrain Air Force[source]RF-6, T67 Firefly |
| Manufactured | 1985–present[source] | 1974–1995[source]RF-6, T67 Firefly |
|---|
| Introduction date | 1999[source] | — |
|---|
| First flight | November 1985[source] | 12 March 1974[source]RF-6, T67 Firefly |
|---|
| Fuel capacity | 143 L (31 imp gal; 38 US gal) usable[source] | — |
|---|
| Aspect ratio | 8.2:1[source] | — |
|---|
| Airfoil | Eppler 696[source] | NACA 23015/23013 (root/tip)[source] |
|---|
| Propellers | 3-bladed Hoffmann HO-V343K-V/183GY Constant-speed propeller , 1.83 m (6 ft 0 in) diameter[source] | — |
|---|
| Stall speed | 91 km/h (57 mph, 49 kn) (60 degree flap)[source] | 54 kn (62 mph, 100 km/h) (with flaps)[source] |
|---|
| Never exceed speed | 341 km/h (212 mph, 184 kn)[source] | 195 kn (224 mph, 361 km/h)[source] |
|---|
| g limits | + 6.0/ - 3.0[source] | — |
|---|
| Country of origin | Deutschland[source]Country of design · Entwurfsland | United Kingdom[source]Inventory Origin column; table 3, row 15, cell 2; revision 1374090926; retrieved 2026-09-30 |
|---|
| Number built | — | > 250[source]RF-6, T67 Firefly |
|---|
| Developed into | — | Sportavia RS-180[source]RF-6, T67 Firefly |
|---|
| Wing loading | — | 18.8 lb/sq ft (92 kg/m 2 )[source] |
|---|
| Power/mass | — | 0.10 hp/lb (0.17 kW/kg)[source] |
|---|