FORCETALLY
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At a glance
Measured figures
T-37B · Length
Single source29 ft 3 in (8.92 m)[source]
G 115E · Length
Single sourceConfiguration
| Specification | Cessna T-37 Tweet | Grob G 115 |
|---|---|---|
| Type | Military trainer aircraft[source] | Basic trainer[source] |
| National origin | United States[source] | — |
| Manufacturer | Cessna[source] | Grob Aircraft[source] |
| Status | Retired from American service in 2009, In limited service with the Pakistan Air Force[source] | active[source] |
7.79 m (25 ft 7 in)[source]
Cruise; T-37B · at 35,000 ft (11,000 m)
Single sourceMaximum; T-37B · Maximum speed
Single source425 mph (684 km/h, 369 kn)[source]
360 mph (580 km/h, 310 kn) at 35,000 ft (11,000 m)[source]
Cruise; G 115E · long range cruising speed
Single sourceMaximum; G 115E · 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-37B · 2 × Continental-Teledyne J69 -T-25 turbojets thrust each
Single source2 × Continental-Teledyne J69 -T-25 turbojets , 1,025 lbf (4.56 kN) thrust each[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Primary users |
|---|
United States Air Force (historical) Pakistan Air Force Turkish Air Force (retired) Colombian Air Force (historical)[source] |
Royal Air Force Egyptian Air Force Finnish Air Force Royal Navy Army Air Corps (UK)[source] |
| Number built | 1,269[source] | — |
|---|
| Manufactured | 1955–1975[source] | 1985–present[source] |
|---|
| Introduction date | 1957[source] | 1999[source] |
|---|
| First flight | 12 October 1954[source] | November 1985[source] |
|---|
| Retired | 2009 (USAF)[source] | — |
|---|
| Variant | Cessna A-37 Dragonfly[source] | — |
|---|
| Aspect ratio | 6.2:1[source] | 8.2:1[source] |
|---|
| Airfoil | NACA 2418 at root, NACA 2412 at tip[source] | Eppler 696[source] |
|---|
| Stall speed | 85 mph (137 km/h, 74 kn)[source] | 91 km/h (57 mph, 49 kn) (60 degree flap)[source] |
|---|
| Total stores stations | None (T-37A/B), 2 underwing for stores up to 500 lb (227 kg) (T-37C)[source] | — |
|---|
| Fuel capacity | — | 143 L (31 imp gal; 38 US gal) usable[source] |
|---|
| Propellers | — | 3-bladed Hoffmann HO-V343K-V/183GY Constant-speed propeller , 1.83 m (6 ft 0 in) diameter[source] |
|---|
| Never exceed speed | — | 341 km/h (212 mph, 184 kn)[source] |
|---|
| g limits | — | + 6.0/ - 3.0[source] |
|---|
| Country of origin | — | Deutschland[source]Country of design · Entwurfsland |
|---|