FORCETALLY
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At a glance
Measured figures
Empty; T-37B · Empty weight
Single sourceMaximum take-off; T-37B · Max takeoff weight
Single source4,056 lb (1,840 kg)[source]
6,574 lb (2,982 kg)[source]
Empty; KT-1 · Empty weight
Single sourceGross; KT-1 · Gross weight
Single sourceMaximum take-off; KT-1 · (and Maximum Landing Weight)with external stores
Single source1,910 kg (4,211 lb)[source]
2,540 kg (5,600 lb)[source]
3,311 kg (7,300 lb) (and Maximum Landing Weight)with external stores[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]
Maximum; KT-1 · at 4,570 m (14,993 ft)
Single source644 km/h (400 mph, 348 kn) at 4,570 m (14,993 ft)[source]
T-37B · Range
Single source932 mi (1,500 km, 810 nmi)[source]
Ferry; KT-1 · at 6,100 m (20,013 ft) with max internal and external fuel (30 minutes reserve)
Single sourceKT-1 · at 7,620 m (25,000 ft) with max internal fuel (30 minutes reserve)
Single source1,333 km (828 mi, 720 nmi) at 7,620 m (25,000 ft) with max internal fuel (30 minutes reserve)[source]
2,070 km (1,290 mi, 1,120 nmi) at 6,100 m (20,013 ft) with max internal and external fuel (30 minutes reserve)[source]
KT-1 · 1 × Pratt & Whitney Canada PT6A-62 turboprop engine
Single source1 × Pratt & Whitney Canada PT6A-62 turboprop engine, 708.4 kW (950.0 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]
KT-1 · < at 6,100 m (20,013 ft) with max internal fuel (
Single sourceKT-1 · reserve
Single source<4 hours at 6,100 m (20,013 ft) with max internal fuel (30 minutes reserve)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Cessna T-37 Tweet | KAI KT-1 Woongbi |
|---|---|---|
| Type | Military trainer aircraft[source] | Basic trainer and light attack aircraft[source] |
| National origin | United States[source] | South Korea[source] |
| Manufacturer | Cessna[source] | Korea Aerospace Industries[source] |
| Status | Retired from American service in 2009, In limited service with the Pakistan Air Force[source] | In service[source] |
| Primary users | United States Air Force (historical) Pakistan Air Force Turkish Air Force (retired) Colombian Air Force (historical)[source] | Republic of Korea Air Force Indonesian Air Force Turkish Air Force Peruvian Air Force Senegalese Air Force[source] |
| Number built | 1,269[source] | 186[source] |
| Manufactured | 1955–1975[source] | 1999–present[source] |
| Introduction date | 1957[source] | 2000[source] |
| First flight | 12 October 1954[source] | November 1991[source] |
| Retired | 2009 (USAF)[source] | — |
| Variant | Cessna A-37 Dragonfly[source] | — |
| Aspect ratio | 6.2:1[source] | |
| Airfoil | NACA 2418 at root, NACA 2412 at tip[source] | root: NACA 63-218 ; tip: NACA 63-212[source] |
| Stall speed | 85 mph (137 km/h, 74 kn)[source] | 132 km/h (82 mph, 71 kn) flaps down[source] |
| Total stores stations | None (T-37A/B), 2 underwing for stores up to 500 lb (227 kg) (T-37C)[source] | — |
| Designer | — | Agency for Defence Development Korea Aerospace Industries[source] |
| Fuel capacity | — | 551 L (146 US gal; 121 imp gal) in two wing tanks with provision for two 189 L (50 US gal; 42 imp gal) drop-tanks on the inboard pylons[source] |
| Maximum fuel weight | — | 408 kg (899 lb)[source] |
| Propellers | — | 4-bladed Hartzell HC-E4N-2/E9512CB-1, 2.44 m (8 ft 0 in) diameter constant-speed fully feathering reversible propeller[source] |
| Never exceed speed | — | 648 km/h (403 mph, 350 kn)[source] |
| g limits | — | + 7 - 3.5 (aerobatic, clean)[source] |
| Wing loading | — | 206.8 kg/m 2 (42.4 lb/sq ft) with external stores[source] |
| Power/mass | — | 0.2137 kW/kg (0.1300 hp/lb)with external stores[source] |