



| Name | P-8A Poseidon |
| Manufacturer | Boeing Defense, Space and Security |
| Country of Origin | United States |
| Introduction / In Service Since | 2013 |
| Status | Active |
| Category | Maritime Patrol Aircraft |
| Crew | 9 |
| Unit Cost | 200 to 220 million USD |
| Length | 129 ft 5 in |
| Wingspan | 123 ft 6 in |
| Height | 41 ft 2 in |
| Wing Area | 1,342 sq ft |
| Empty Weight | Approx. 138,300 lb |
| Maximum Takeoff Weight (MTOW) | 189,200 lb |
| Maximum Speed | 490 knots |
| Range | 4,500+ nautical miles |
| Combat Radius | 1,200+ nautical miles |
| Service Ceiling | 41,000 ft |
| Rate of Climb | Approx. 4,000 ft per minute |
| Engine Type | 2 × CFM56-7B turbofans |
| Thrust (per engine) | 27,300 lbf |
| Total Thrust | 54,600 lbf |
| Internal Payload Capacity | Approx. 9,000 lb weapons bay |
| Weapons Bay | Internal rotary launcher |
| Compatible Weapons | Mk 54 torpedoes, AGM-84 Harpoon, depth charges |
| Hardpoints | 6 underwing stations |
| Radar System | AN/APY-10 multi-mode maritime radar |
| Navigation | GPS/INS integrated suite |
| Electronic Warfare (EW) | Defensive countermeasures suite |
| Stealth Features | None |
| Primary Operator | U.S. Navy |
| Conflict Usage | Middle East maritime operations |
| Notable Missions | South China Sea patrols |
| Variants | P-8A, P-8I |
| Successor / Future Replacement | None announced |
| Notable Features | High-altitude ASW capability |
| Estimated Operational Life | 25 to 30 years |
The P-8A Poseidon is the U.S. Navy’s primary long range maritime patrol and anti submarine warfare aircraft. Developed from the Boeing 737-800ERX airframe, it replaces the aging P-3 Orion fleet and brings modern sensors, networked warfare capability, and jet performance to undersea hunting missions.
Designed for anti submarine warfare, anti surface warfare, intelligence, surveillance, and reconnaissance, the P-8A operates across the Atlantic, Pacific, and Middle East. It supports carrier strike groups, monitors strategic sea lanes, and tracks submarines in contested waters.
The aircraft is built by Boeing Defense, Space and Security in the United States. Mission systems integration involves several U.S. defense contractors, including RTX for radar and sensors. The platform leverages the commercial 737 production line, which helps reduce lifecycle costs and improves logistics support.
Powered by two CFM56-7B turbofan engines, the P-8A reaches a maximum speed of about 490 knots, roughly 907 km per hour. It has a range of over 1,200 nautical miles on a typical mission profile and a ferry range exceeding 4,500 nautical miles. Aerial refueling capability extends endurance during long patrols.
The aircraft carries sonobuoys, torpedoes, and anti ship missiles. Its AN APY-10 radar, electro optical sensors, and acoustic processing systems enable wide area maritime surveillance and precision targeting.
The estimated unit cost for a P-8A is approximately 200 to 220 million dollars, depending on configuration and procurement lot. Costs vary based on mission systems and support packages.
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