Credit
Alan Wilson from Stilton, Peterborough, Cambs, UK · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified
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BTrainer aircraft
Maritime patrol aircraft (CP-140) MPA trainer aircraft (CP-140A)
At a glance
Measured figures
DHC-1 Chipmunk · Length
Single source25 ft 5 in (7.75 m)[source]
Configuration
| Specification | De Havilland Canada DHC-1 Chipmunk | Lockheed CP-140 Aurora |
|---|---|---|
| Type | Trainer[source] | Maritime patrol aircraft (CP-140) MPA trainer aircraft (CP-140A)[source] |
| Manufacturer | de Havilland Canada[source] | Lockheed Corporation[source] |
| Status | In limited service; many examples in private use[source] | Active (CP-140M only)[source] |
| Primary users | Royal Air Force (historical) Royal Canadian Air Force (historical) Portuguese Air Force |
CP-140 Aurora · Length
CP-140 · Length
Single sourceEmpty; DHC-1 Chipmunk · Empty weight
Single sourceGross; DHC-1 Chipmunk · Gross weight
Single sourceMaximum take-off; DHC-1 Chipmunk · Max takeoff weight
Single source1,517 lb (688 kg)[source]
2,014 lb (914 kg)[source]
2,200 lb (998 kg)[source]
Gross; CP-140 Aurora · Gross weight · Maximum gross weight
Single sourceGross; CP-140 · Gross weight
Single sourceCruise; DHC-1 Chipmunk · Cruise speed
Single sourceMaximum; DHC-1 Chipmunk · at sea level
Single source138 mph (222 km/h, 120 kn) at sea level[source]
103 mph (166 km/h, 90 kn)[source]
Maximum; CP-140 Aurora · Maximum speed · Maximum speed
Single sourceMaximum; CP-140 · below cruise ceiling
Single sourceDHC-1 Chipmunk · 1 × de Havilland Gipsy Major 1C 4-cylinder air-cooled inverted in-line piston engine
Single source1 × de Havilland Gipsy Major 1C 4-cylinder air-cooled inverted in-line piston engine, 145 hp (108 kW)[source]
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]
DHC-1 Chipmunk · 900 ft/min (
Single source900 ft/min (4.6 m/s)[source]
CP-140 · on station at 1,000 nmi (1,151 mi; 1,852 km) radius
Single source8 hours 12 minutes on station at 1,000 nmi (1,151 mi; 1,852 km) radius[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.
| — |
| Number built | 1,284 (including Canadian, British, and Portuguese production)[source] | 21 (18 CP-140M + 3 CP-140A)[source] |
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| Manufactured | 1947–1956[source] | — |
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| Introduction date | 1946[source] | 1980[source] |
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| First flight | 22 May 1946[source] | 22 March 1979 (CP-140)[source] |
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| Retired | 1955 (Belgium) 1972 (Canada) 1996 (United Kingdom)[source] | 2011 (CP-140A only)[source] |
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| Airfoil | root: NACA 1415 ; tip: USA 35B[source] | root: NACA 0014 (modified) ; tip: NACA 0012 (modified)[source] |
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| Propellers | 2-bladed fixed-pitch propeller[source] | 4-bladed Hamilton Standard 54H60, 13 ft 6 in (4.11 m) diameter constant-speed fully-feathering reversible-pitch propellers[source] |
|---|
| Wing loading | 11.71 lb/sq ft (57.2 kg/m 2 )[source] | — |
|---|
| Power/mass | .072 hp/lb (0.118 kW/kg)[source] | — |
|---|
| Country of origin | Canada[source] | United States[source] United States[source] United States[source]Inventory Origin column; table 1, row 7, cell 2; revision 1376991819; retrieved 2026-10-02 |
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| Primary user | — | Royal Canadian Air Force[source] |
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| Developed from | — | Lockheed P-3 Orion[source] |
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| Aspect ratio | — | 7.5[source] |
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| Fuel capacity | — | 7,661 imp gal (9,200 US gal; 34,828 L) usable fuel in one fuselage tank and four wing integral tanks[source] |
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| Maximum transit speed | — | 395 kn (455 mph; 732 km/h) at optimum altitude[source] |
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| 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] |
|---|
| 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:[source] |
|---|
| Other | — | signal chargers, smoke markers , illumination flares[source] |
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| Rockets | — | air-to-surface rockets can be fitted after a minor retrofit.[source] |
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| Bombs | — | Mk 46 Mod V torpedoes, conventional bombs[source] |
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| Role | — | maritime patrol aircraft[source] |
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| Source measurement | — | Once AIMP was completed the CP-140 was designated as CP-140M.[source]Lockheed CP-140 Aurora · Design and development / Aurora Incremental Modernization Project; only the objects and conditions stated in this passage Several options had been suggested for a CP-140M replacement. These included the Boeing P-8 Poseidon and the Raytheon Sentinel , based on the Bombardier Global Express -6500, as well as late entrant PAL Aerospace Global Express 6500-based P-6.[source]Lockheed CP-140 Aurora · Operational history / Replacement; only the objects and conditions stated in this passage The RCAF had planned to downsize the fleet from eighteen to fourteen aircraft, with three already being withdrawn and a fourth test aircraft to be retired in the near future. The retirement of the CP-140 was originally expected around 2030, and could have resulted in a capability gap as the RCAF did not anticipate replacements to be delivered until 2032 to 2038. The RCAF's Weapon System Manager (WSM) had prepared plans to have the CP-140M operational until 2035 to 2040.[source]Lockheed CP-140 Aurora · Operational history / Replacement; only the objects and conditions stated in this passage Royal Canadian Air Force 404 Long Range Patrol and Training Squadron , CFB Greenwood , Nova Scotia 4 × CP-140M Aurora 405 Long Range Patrol Squadron , CFB Greenwood , Nova Scotia 11 × CP-140M Aurora and 1 × CP-140 Aurora to be retained as a test aircraft until retirement in the near future. 415 Long Range Patrol Force Development Squadron , CFB Greenwood , Nova Scotia 407 Long Range Patrol Squadron , CFB Comox , British Columbia 3 × CP-140M Aurora[source]Lockheed CP-140 Aurora · Operators; only the objects and conditions stated in this passage Length: 116 ft 10 in (35.61 m)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Wingspan: 99 ft 8 in (30.38 m)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Height: 33 ft 8.5 in (10.274 m)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Wing area: 1,300 sq ft (120 m 2 )[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Gross weight: 61,362 lb (27,833 kg)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Powerplant: 4 × Allison T56-A-14-LFE turboprop engines, 4,909 hp (3,661 kW) each[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Propellers: 4-bladed Hamilton Standard 54H60, 13 ft 6 in (4.11 m) diameter constant-speed fully-feathering reversible-pitch propellers[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Maximum speed: 375 kn (432 mph, 694 km/h) below cruise ceiling[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Maximum transit speed: 395 kn (455 mph; 732 km/h) at optimum altitude[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Range: 5,000 nmi (5,800 mi, 9,300 km)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Endurance: 8 hours 12 minutes on station at 1,000 nmi (1,151 mi; 1,852 km) radius[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Service ceiling: 35,100 ft (10,700 m)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage FAR balanced field length: 7,900 ft (2,408 m)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Take-off distance to 50 ft (15 m): 6,000 ft (1,829 m)[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage Landing distance from 50 ft (15 m): 3,200 ft (975 m) at 114,000 lb (51,710 kg) landing weight[source]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage 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]Lockheed CP-140 Aurora · Specifications (CP-140); only the objects and conditions stated in this passage |
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