


| Name / Designation | Sea Eagle (P.3T) |
| Type / Role | Air-launched anti-ship missile, sea-skimming |
| Country of Origin | United Kingdom |
| Manufacturer | BAe Dynamics / MBDA (UK) |
| Service Entry / Year Introduced | 1985 |
| Operational Status | Withdrawn from UK service (~2000); residual use by some operators |
| Range | 110 km+ |
| Speed | Mach 0.85 (approx. 1,040 km/h) |
| Ceiling / Altitude Limit | Sea-skimming (typically <20 m cruise; lower terminal) |
| Accuracy (CEP) | Not publicly detailed; fire-and-forget terminal radar homing |
| Warhead Type | Semi-armor-piercing high explosive |
| Guidance System | Inertial + active radar homing |
| Targeting Mode | Fire-and-forget |
| Launch Platform Compatibility | Fighter/attack aircraft, maritime patrol aircraft, helicopters |
| Seeker Type | J-band active radar (approx. 30 km acquisition range) |
| Length | 4.14 m |
| Diameter | 0.4 m |
| Wingspan | 1.2 m |
| Launch Weight | 580โ600 kg |
| Propulsion | Microturbo TRI-60 turbojet |
| Warhead Weight | 230 kg |
| Explosive Type | Semi-armor-piercing HE (PBX / RDX-TNT class) |
| Detonation Mechanism | Delayed impact fuse (internal detonation) |
| Payload Options | Conventional only |
| Operational Range Type | Medium |
| Deployment Platform | Air (fixed- and rotary-wing) |
| Target Types | Surface ships up to aircraft-carrier size |
| Combat Proven | No major combat use publicly documented |
| Users / Operators | United Kingdom (retired), India, Saudi Arabia; limited others |
Sea Eagle combines inertial mid-course guidance with terminal active radar homing. After launch it descends to low altitude (typically under 20 m, dropping lower in the terminal phase) and maintains a subsonic cruise. Programmable flight paths, including dog-leg maneuvers and optional pop-up for seeker updates, allow coordinated multi-missile attacks from different directions. It was cleared for fixed-wing and rotary-wing platforms and saw operational use with the United Kingdom, India, Saudi Arabia, and limited trials elsewhere.
Developed by British Aerospace (BAe) Dynamics under the P.3T designation, production began in 1982. Responsibility later transferred to MBDA (UK). The missile draws on the Martel airframe but replaces solid-rocket propulsion with a turbojet for greater range.
Powered by a Microturbo TRI-60 turbojet, Sea Eagle cruises at approximately Mach 0.85 (about 1,040 km/h). Maximum range exceeds 110 km, depending on launch altitude, speed, and flight profile. Flight time is roughly 400 seconds at maximum range.
Unit production costs were never publicly disclosed in open sources. As a 1980s-era system that left UK front-line service around 2000, current residual inventory or export values are not available in unclassified data.
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