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Maritime patrol aircraft
Lockheed P-3 Orion is a maritime patrol aircraft originating in United States. It was built by Lockheed Lockheed Martin Kawasaki Aerospace Company. Reported operators include United States Navy Republic of China Navy Japan Maritime Self-Defense Force Republic of Korea Navy.
United StatesMaritime patrol aircraft
United States
Lockheed Lockheed Martin Kawasaki Aerospace Company
Active
United States Navy Republic of China Navy Japan Maritime Self-Defense Force Republic of Korea Navy
Lockheed – 650, Kawasaki – 107, Total – 757
1961–1990
August 1962
November 1959
Lockheed L-188 Electra
Lockheed AP-3C Orion Lockheed CP-140 Aurora Lockheed EP-3 Lockheed WP-3D Orion
Lockheed P-7
11
116 ft 10 in (35.61 m)
99 ft 8 in (30.38 m)
33 ft 8.5 in (10.274 m)
1,300.0 sq ft (120.77 m 2 )
61,491 lb (27,892 kg)
135,000 lb (61,235 kg) MTOW normal
9,200 US gal (7,700 imp gal; 35,000 L) usable fuel in 5 wing and fuselage tanks; (62,500 lb (28,350 kg) maximum fuel weight); 111 US gal (92 imp gal; 420 L) usable oil in 4 tanks
4 × Allison T56-A-14 turboprop engines, 4,910 shp (3,660 kW) each (equivalent)
411 kn (473 mph, 761 km/h) at 15,000 ft (4,600 m) and 105,000 lb (48,000 kg)
328 kn (377 mph, 607 km/h) at 25,000 ft (7,600 m) and 110,000 lb (50,000 kg)
1,345 nmi (1,548 mi, 2,491 km) (3 hours on station at 1,500 ft (460 m))
4,830 nmi (5,560 mi, 8,950 km)
17 hours 12 minutes at 15,000 ft (4,600 m) on two engines
28,300 ft (8,600 m)
1,950 ft/min (9.9 m/s)
10 wing stations in total (3x on each wing and 2x on each wing root) and eight internal bomb bay stations with a capacity of 20,000 lb (9,100 kg) , with provisions to carry combinations of: Rockets: None Missiles: Air-to-surface missile :4× AGM-65 Maverick , 6× AGM-84 Harpoon , 4× AGM-84 Standoff Land Attack Missile (SLAM-ER) Bombs: Depth charges , Mk 101 Lulu nuclear depth bomb ,10× Mk 20 Rockeye , MK80 Series (18×MK82, MK83, MK84) general-purpose bombs, B57 nuclear bomb (US service only, retired 1993) Other: Mk 44 (mostly retired from service), 8× Mk 46 , 6× Mk 50 , 7× Mk 54 or MU90 Impact torpedoes Mk 25, Mk 39, Mk 55, 7× Mk 56, Mk 60 CAPTOR or 6× Mk 65 or 18× Mk 62 or 11×Mk 63 Quickstrike naval mines Active and passive Sonobuoys
7.5
root: NACA 0014 modified ; tip: NACA 0012 modified
77,200 lb (35,017 kg)
(MLW) 103,880 lb (47,119 kg)
4-bladed Hamilton Standard 54H60-77, 13 ft 6 in (4.11 m) diameter constant-speed fully-feathering reversible propellers
206 kn (237 mph; 382 km/h) at 1,500 ft (460 m) and 110,000 lb (50,000 kg)
133 kn (153 mph, 246 km/h) flaps up
25,000 ft (7,600 m) in 30 minutes
103.8 lb/sq ft (507 kg/m 2 )
0.1455 hp/lb (0.2392 kW/kg) (equivalent)
4,240 ft (1,290 m)
5,490 ft (1,670 m)
2,770 ft (840 m)
None
Air-to-surface missile :4× AGM-65 Maverick , 6× AGM-84 Harpoon , 4× AGM-84 Standoff Land Attack Missile (SLAM-ER)
Depth charges , Mk 101 Lulu nuclear depth bomb ,10× Mk 20 Rockeye , MK80 Series (18×MK82, MK83, MK84) general-purpose bombs, B57 nuclear bomb (US service only, retired 1993)
Mk 44 (mostly retired from service), 8× Mk 46 , 6× Mk 50 , 7× Mk 54 or MU90 Impact torpedoes Mk 25, Mk 39, Mk 55, 7× Mk 56, Mk 60 CAPTOR or 6× Mk 65 or 18× Mk 62 or 11×Mk 63 Quickstrike naval mines Active and passive Sonobuoys
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 35.61 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 35.61 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 35.61 m | Wikipedia contributors | superseded |
Lockheed P-3 Orion equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
ArgentinaNumber column of the Wikipedia list table under "Aircraft". The list's own wording applies; it is a compiled secondary source, not an official census.
BrazilDirectory active-fleet estimate for the source types P-3AM (MPA), grouped under Lockheed P-3 Orion. Sums only the listed service and role rows; includes training and special-mission versions where explicitly listed. Excludes the separate Ordered column, aircraft in storage, aircraft undergoing or awaiting upgrades, and the directory's other exclusions. This is the dated directory coverage of these types, not a complete owned-fleet census or a readiness count.
CanadaRoyal Canadian Air Force (RCAF) exact named equipment holdings: P-3 Orion (CP-140M Aurora). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / ASW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
ChileNumber column of the Wikipedia list table under "Maritime patrol". The list's own wording applies; it is a compiled secondary source, not an official census.
ChinaNumber column of the Wikipedia list table under "Aircraft". The list's own wording applies; it is a compiled secondary source, not an official census.
GermanyDirectory active-fleet estimate for the source types P-3C (MPA), grouped under Lockheed P-3 Orion. Sums only the listed service and role rows; includes training and special-mission versions where explicitly listed. Excludes the separate Ordered column, aircraft in storage, aircraft undergoing or awaiting upgrades, and the directory's other exclusions. This is the dated directory coverage of these types, not a complete owned-fleet census or a readiness count.
GreeceReported count for Lockheed P-3 Orion · P-3B. Service scope: Hellenic Navy ships; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): active: 1 (+ 4). Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2025), not the article revision. 2025 cited source edition. Edition or publication years do not claim an exact inventory census day.
IranReported count for P-3 Orion · P-3F. Service scope: Islamic Republic of Iran Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 5. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2025), not the article revision. 2025 cited publication year. Edition or publication years do not claim an exact inventory census day.
JapanNaval Aviation exact named equipment holdings: P-3C Orion. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / ASW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
PakistanNaval Aviation exact named equipment holdings: P-3C Orion. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / ASW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
PortugalAir Force exact named equipment holdings: P-3C Orion. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / ASW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
South KoreaNaval Aviation exact named equipment holdings: P-3C Orion. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / ASW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
TaiwanAir Force exact named equipment holdings: P-3C Orion. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / ASW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
United StatesNaval Aviation exact named equipment holdings: P-3C Orion. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / ASW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
United States Navy Republic of China Navy Japan Maritime Self-Defense Force Republic of Korea Navy
Equipment reference ↗Reported count for Lockheed P-3 Orion · P-3B. Service scope: Hellenic Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 1. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2024), not the article revision. 2024 cited publication year. Edition or publication years do not claim an exact inventory census day.
Reported count for Lockheed P-3 Orion · P-3CK / Lockheed P-3 Orion · P-3C. Service scope: Republic of Korea Navy; does not replace a national total. 2 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 7 / in service: 8. Origin: unstated. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Reported count for Lockheed P-3 Orion · P-3C. Service scope: Republic of China Navy; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 12. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Reported count for P-3C Orion. Service scope: Navy; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 4. Origin: USA. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.