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BTrainer aircraft
Maritime patrol aircraft (CP-140) MPA trainer aircraft (CP-140A)
At a glance
Measured figures
Empty; HTT-40 / Basic Empty Mass · Empty mass
Single sourceGross; HTT-40 · Gross weight
Single sourceGross; HTT-40 / Normal Training Configuration Mass · Gross weight
Single sourceMaximum take-off; HTT-40 / Maximum Take-off Mass · Max takeoff weight
Single source2,800 kg (6,173 lb)[source]
2414 kg[source]HTT-40 / Basic Empty Mass
3040 kg[source]HTT-40 / Maximum Take-off Mass
2960 kg[source]HTT-40 / Normal Training Configuration Mass
Maximum; HTT-40 · Maximum speed
DisputedMaximum; HTT-40 / Max level Speed · Maximum speed
Manufacturer claimMaximum; HTT-40 / Max permissible Speed · @ 6g
Manufacturer claimMaximum; HTT-40 · Maximum speed
Disputed400 km/h (249 mph, 216 kn)[source]
450 kmph @ 6g[source]HTT-40 / Max permissible Speed
407 kmph[source]HTT-40 / Max level Speed
450 km/h[source]HTT-40
HTT-40 · 1 × Honeywell Garrett TPE331-12B turboprop (1,100 shp) derated to
Single sourceHTT-40 · 950 shp
Single source1 × Honeywell Garrett TPE331-12B turboprop, 834 kW (1,100 shp) derated to 708 kW (950 shp)[source]
1100 Shp[source]HTT-40 / Max Power
CP-140 · 4 × Allison T56-A-14-LFE turboprop engines each
Single source4 × Allison T56-A-14-LFE turboprop engines, 4,909 hp (3,661 kW) each[source]
CP-140 · Wing area
Single source1,300 sq ft (120 m 2 )[source]
CP-140 · Hardpoints: 8 in weapons bay; 10 under-wing from capacity with a capacity of
Single sourceCP-140 · total in weapons bay, with provisions to carry combinations of
Single sourceHardpoints: 8 in weapons bay; 10 under-wing from 611 to 2,450 lb (277 to 1,111 kg) capacity with a capacity of 4,800 lb (2,177 kg) total in weapons bay, with provisions to carry combinations of:[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | HAL HTT-40 | Lockheed CP-140 Aurora |
|---|---|---|
| Type | Basic training aircraft[source] | Maritime patrol aircraft (CP-140) MPA trainer aircraft (CP-140A)[source] |
| National origin | India[source] | — |
| Manufacturer | Hindustan Aeronautics Limited[source] Hindustan Aeronautics Limited (HAL)[source]HTT-40 | Lockheed Corporation[source] |
| Designer | Aircraft Research and Design Centre[source] | — |
| Status | In service[source] | Active (CP-140M only)[source] |
| Primary user | Indian Air Force[source] | Royal Canadian Air Force[source] |
| Number built | 3 (excluding 2 prototypes)[source] | 21 (18 CP-140M + 3 CP-140A)[source] |
| Introduction date | 2026 (planned)[source] | 1980[source] |
| First flight | 31 May 2016[source] | 22 March 1979 (CP-140)[source] |
| Developed from | HPT-32 Deepak[source] | Lockheed P-3 Orion[source] |
| Fuel capacity | 450 kg[source] | 7,661 imp gal (9,200 US gal; 34,828 L) usable fuel in one fuselage tank and four wing integral tanks[source] |
| Propellers | 4-bladed[source] | 4-bladed Hamilton Standard 54H60, 13 ft 6 in (4.11 m) diameter constant-speed fully-feathering reversible-pitch propellers[source] |
| Never exceed speed | 450 km/h (279 mph, 243 kn)[source] | — |
| g limits | +6/-3[source] | — |
| Internal fuel mass | 460 kg[source]HTT-40 / Internal fuel mass | — |
| Take-off Distance | 785 meter[source]HTT-40 | — |
| Landing Distance | 987 meter[source]HTT-40 | — |
| Time to Climb 3 km | 7.05 min[source]HTT-40 | — |
| Engine | Honeywell TPE331-12B Turboprop engine[source]HTT-40 | — |
| Retired | — | 2011 (CP-140A only)[source] |
| Hardpoints | — | 8 in weapons bay; 10 under-wing from 611 to 2,450 lb (277 to 1,111 kg) capacity with a capacity of 4,800 lb (2,177 kg) total in weapons bay, with provisions to carry combinations of: Other: signal chargers, smoke markers , illumination flares[source] |
| Aspect ratio | — | 7.5[source] |
| Airfoil | — | root: NACA 0014 (modified) ; tip: NACA 0012 (modified)[source] |
| Maximum transit speed | — | 395 kn (455 mph; 732 km/h) at optimum altitude[source] |
| FAR balanced field length | — | 7,900 ft (2,408 m)[source] |
| Take-off distance to 50 ft (15 m) | — | 6,000 ft (1,829 m)[source] |
| Landing distance from 50 ft (15 m) | — | 3,200 ft (975 m) at 114,000 lb (51,710 kg) landing weight[source] |
| Other | — | signal chargers, smoke markers , illumination flares[source] |
| Rockets | — | air-to-surface rockets can be fitted after a minor retrofit.[source] |
| Bombs | — | Mk 46 Mod V torpedoes, conventional bombs[source] |
| Country of origin | — | United States[source] United States[source] |