P-3 Orion Research Group

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this page was last updated on 10 January 2015

Lockheed Martin P-3 Orion Technical Data

Lockheed Martin P-3C Orion

Wing: span 99 ft 8 in (30.37 m); aspect ratio 7.5; area 1,300.00 sq ft (120.77 m2)

Fuselage and tail: length 116 ft 10 in (35.61 m); height 33 ft 8.5 in (10.27 m); tailplane span 42 ft 10 in (13.06 m); wheel track 31 ft 2 in (9.50 m); wheel base 29 ft 9 in (9.07 m)

Powerplant: four Allison T56-A-14 each rated at 4,910 ehp (3661 ekW)

Weights: empty 61,491 lb (27890 kg); normal take-off 135,000 lb (61235 kg); maximum take-off 142,000 lb (64410 kg)

Fuel and load: internal fuel 62,500 lb (28350 kg); external fuel none; maximum expendable load 20,000 lb (9072 kg)

Speed: maximum level speed 'clean' at 15,000 ft (4575 m) 411 kt (473 mph; 761 km/h); economical cruising speed at 25,000 ft (7620 m) 328 kt (378 mph; 608 km/h); patrol speed at 1,500 ft (457 m) 206 kt (237 mph; 381 km/h)

Range: operational radius 2,070 nm (2,383 miles; 3835 km) with no time on station or 1,346 nm (1,550 miles; 2494 km) with 3 hours on station

Performance: maximum rate of climb at 1,500 ft (457 m) 1,950 ft (594 m) per minute; service ceiling 28,300 ft (8625 m); take-off run 4,240 ft (1292 m) at maximum take-off weight; take-off distance to 50 ft (15 m) 5,490 ft (1673 m) at maximum take-off weight; landing distance from 50 ft (15 m) 5,490 ft (1673 m) at design landing weight

Lockheed Martin EP-3E Orion

Generally similar to the P-3C Orion except in the following particulars:

Speed: maximum level speed at 15,000 ft (4575 m) 380 kt (437 mph; 703 km/h); patrol speed 180 kt (207 mph; 333 km/h)

Range: operational radius 2,200 nm (2,533 miles; 4076 km) with no time on station

Performance: maximum rate of climb at sea level 2,175 ft (663 m) per minute; service ceiling 28,000 ft (8535 m)

Lockheed Martin P-3AEW&C "Dome"

Generally similar to the Lockheed P-3C Orion except in the following particulars:

Weights: maximum take-off 127,500 lb (57833 kg)

Speed: economical cruising speed at 30,000 ft (9145 m) 200 kt (230 mph; 370 km/h)

Range: endurance 14 hours

Lockheed Martin CP-140 Aurora

Wing: span 99 ft 8 in (30.37 m); aspect ratio 7.5; area 1,300.00 sq ft (120.77 m2)

Fuselage and tail: length 116 ft 10 in (35.61 m); height 33 ft 8.5 in (10.29 m); tailplane span 42 ft 10 in (13.06 m); wheel track 31 ft 2 in (9.50 m); wheel base 29 ft 9 in (9.07 m)

Powerplant: four Allison T56-A-14 each rated at 4,910 ehp (3661 ekW)

Weights: empty 61,491 lb (27892 kg); normal take-off 135,000 lb (61236 kg); maximum take-off 142,000 lb (64411 kg)

Fuel and load: internal fuel 9,200 US gal (34826 litres); external fuel none; maximum ordnance

20,000 lb (9071 kg)

Speed: maximum cruising speed at optimum altitude 395 kt (455 mph; 732 km/h)

Range: ferry range 4,500 nm (5,182 miles; 8339 km); operational radius 1,000 nm (1,152 miles; 1853 km) for an 8.2-hour patrol

Performance: maximum rate of climb at sea level 2,890 ft (881 m) per minute; service ceiling 28,250 ft (8610 m); take-off distance to 50 ft (15 m) 6,000 ft (1829 m) at maximum take-off weight; landing distance from 50 ft (15 m) 3,200 ft (975 m) at normal landing weight.

Lockheed Martin P-3C Orion armament

(up to around 20,000 pounds internal and external loads)

bomb bay

eight MK46/50 torpedoes

eight MK54 depth bombs

three MK36/52 1000 lb mines

three MK57 depth bombs

two MK101 depth bombs

one MK25/39/55/56 2000 lb mines

two center-section pylons

two AGM-84 Harpoon anti ship missiles

two AGM-65 Maverick air-to-surface guided missiles

two MK46/50 torpedoes

two 2000 lb mines

four MK20 Rockeye cluster bombs

three under outer wing pylons (per wing, inboard to outboard) two MK46/50 torpedoes or 1000 lb mines

two MK46/50 torpedoes or 1000 lb mines or rockets

two MK46/50 torpedoes or 500 lb mines or rockets

three MK20 Rockeye cluster bombs

A total maximum weapon load includes:

six 2000 lb mines under wings

two MK101 depth bombs

four MK50 torpedoes

87 sonobuoys

pyrotechnics, signals

Lockheed Martin P-3 Orion Mission Equipment Suites

The various variants of the P-3 Orion have different mission equipment suites. The following links direct you to PDF documents with various P-3 avionics listings:

P-3 Avionics Configurations

Listed are the P-3A, P-3A/P-3B DIFAR Retrofit, P-3B TAC/NAV MOD, P-3C, P-3C Update I, P-3C Update II, P-3C Update III, P-3C MOD and P-3C Update IV.

P-3C Updates Avionics Configurations

Listed are the P-3C Update II, P-3C Update II.5, P-3C Update III and P-3C Update IV.

FMS P-3 Avionics Configurations

Listed are the SpAF P-3A, RNZAF P-3B, RNoAF P-3B, RAAF P-3B, RAAF P-3C (two variants), RNLN P-3C, JMSDF P-3C, IRIAF P-3F and RCAF CP-140.

Lockheed Martin P-3C Orion

Wing: span 99 ft 8 in (30.37 m); aspect ratio 7.5; area 1,300.00 sq ft (120.77 m2)

Fuselage and tail: length 116 ft 10 in (35.61 m); height 33 ft 8.5 in (10.27 m); tailplane span 42 ft 10 in (13.06 m); wheel track 31 ft 2 in (9.50 m); wheel base 29 ft 9 in (9.07 m)

Powerplant: four Allison T56-A-14 each rated at 4,910 ehp (3661 ekW)

Weights: empty 61,491 lb (27890 kg); normal take-off 135,000 lb (61235 kg); maximum take-off 142,000 lb (64410 kg)

Fuel and load: internal fuel 62,500 lb (28350 kg); external fuel none; maximum expendable load 20,000 lb (9072 kg)

Speed: maximum level speed 'clean' at 15,000 ft (4575 m) 411 kt (473 mph; 761 km/h); economical cruising speed at 25,000 ft (7620 m) 328 kt (378 mph; 608 km/h); patrol speed at 1,500 ft (457 m) 206 kt (237 mph; 381 km/h)

Range: operational radius 2,070 nm (2,383 miles; 3835 km) with no time on station or 1,346 nm (1,550 miles; 2494 km) with 3 hours on station

Performance: maximum rate of climb at 1,500 ft (457 m) 1,950 ft (594 m) per minute; service ceiling 28,300 ft (8625 m); take-off run 4,240 ft (1292 m) at maximum take-off weight; take-off distance to 50 ft (15 m) 5,490 ft (1673 m) at maximum take-off weight; landing distance from 50 ft (15 m) 5,490 ft (1673 m) at design landing weight

Lockheed Martin EP-3E Orion

Generally similar to the P-3C Orion except in the following particulars:

Speed: maximum level speed at 15,000 ft (4575 m) 380 kt (437 mph; 703 km/h); patrol speed 180 kt (207 mph; 333 km/h)

Range: operational radius 2,200 nm (2,533 miles; 4076 km) with no time on station

Performance: maximum rate of climb at sea level 2,175 ft (663 m) per minute; service ceiling 28,000 ft (8535 m)

Lockheed Martin P-3AEW&C "Dome"

Generally similar to the Lockheed P-3C Orion except in the following particulars:

Weights: maximum take-off 127,500 lb (57833 kg)

Speed: economical cruising speed at 30,000 ft (9145 m) 200 kt (230 mph; 370 km/h)

Range: endurance 14 hours

Lockheed Martin CP-140 Aurora

Wing: span 99 ft 8 in (30.37 m); aspect ratio 7.5; area 1,300.00 sq ft (120.77 m2)

Fuselage and tail: length 116 ft 10 in (35.61 m); height 33 ft 8.5 in (10.29 m); tailplane span 42 ft 10 in (13.06 m); wheel track 31 ft 2 in (9.50 m); wheel base 29 ft 9 in (9.07 m)

Powerplant: four Allison T56-A-14 each rated at 4,910 ehp (3661 ekW)

Weights: empty 61,491 lb (27892 kg); normal take-off 135,000 lb (61236 kg); maximum take-off 142,000 lb (64411 kg)

Fuel and load: internal fuel 9,200 US gal (34826 litres); external fuel none; maximum ordnance

20,000 lb (9071 kg)

Speed: maximum cruising speed at optimum altitude 395 kt (455 mph; 732 km/h)

Range: ferry range 4,500 nm (5,182 miles; 8339 km); operational radius 1,000 nm (1,152 miles; 1853 km) for an 8.2-hour patrol

Performance: maximum rate of climb at sea level 2,890 ft (881 m) per minute; service ceiling 28,250 ft (8610 m); take-off distance to 50 ft (15 m) 6,000 ft (1829 m) at maximum take-off weight; landing distance from 50 ft (15 m) 3,200 ft (975 m) at normal landing weight.

Lockheed Martin P-3C Orion armament

(up to around 20,000 pounds internal and external loads)

bomb bay

eight MK46/50 torpedoes

eight MK54 depth bombs

three MK36/52 1000 lb mines

three MK57 depth bombs

two MK101 depth bombs

one MK25/39/55/56 2000 lb mines

two center-section pylons

two AGM-84 Harpoon anti ship missiles

two AGM-65 Maverick air-to-surface guided missiles

two MK46/50 torpedoes

two 2000 lb mines

four MK20 Rockeye cluster bombs

three under outer wing pylons (per wing, inboard to outboard) two MK46/50 torpedoes or 1000 lb mines

two MK46/50 torpedoes or 1000 lb mines or rockets

two MK46/50 torpedoes or 500 lb mines or rockets

three MK20 Rockeye cluster bombs

A total maximum weapon load includes:

six 2000 lb mines under wings

two MK101 depth bombs

four MK50 torpedoes

87 sonobuoys

pyrotechnics, signals

Lockheed Martin P-3 Orion Mission Equipment Suites

The various variants of the P-3 Orion have different mission equipment suites. The following links direct you to PDF documents with various P-3 avionics listings:

P-3 Avionics Configurations

Listed are the P-3A, P-3A/P-3B DIFAR Retrofit, P-3B TAC/NAV MOD, P-3C, P-3C Update I, P-3C Update II, P-3C Update III, P-3C MOD and P-3C Update IV.

P-3C Updates Avionics Configurations

Listed are the P-3C Update II, P-3C Update II.5, P-3C Update III and P-3C Update IV.

FMS P-3 Avionics Configurations

Listed are the SpAF P-3A, RNZAF P-3B, RNoAF P-3B, RAAF P-3B, RAAF P-3C (two variants), RNLN P-3C, JMSDF P-3C, IRIAF P-3F and RCAF CP-140.

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