AN/TPY-4

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TPY-4 Multi-Mission Radar[1]
Country of originFile:Flag of the United States.svg United States
ManufacturerLockheed Martin
DesignerLockheed Martin
Type3D long range detection, AESA radar with GaN TRM (transmit and receive modules)
Frequency1.215 to 1.4 GHz (L band)
RPMup to 6, or stop/stare mode
Range555 km (300 nmi) in rotation,
1,000 km (540 nmi) in stop/stare mode
Altitude0 to 30,500 m (0 to 100,066 ft)
Azimuth360° in rotation, +/− 45° in stop/stare mode
Elevation−6° to 38° (search elevation),
−6° to 90° (track elevation)

The AN/TPY-4 is a ground-based, active electronically scanned array, L-band, multi-function long-range 3D radar for air defense surveillance, built by Lockheed Martin.[2]

It is a radar capable of multi-mission operation, and performing simultaneously the following work: air surveillance, low profile UAS detection, ballistic missile search and track, maritime surveillance, and satellite track.

In accordance with the Joint Electronics Type Designation System (JETDS), the "AN/TPY-4" designation represents the 4th design of an Army-Navy electronic device for ground transportable surveillance radar system. The JETDS system also now is used to name all Department of Defense and some NATO electronic systems.

The system comprises:

  • Transceive Group (TG), the radar system,
  • Processor Group (PG), that has the generator for the radar system and that processes the data of the radar,
  • Ancillary Group (AG), the means of transport.

Operators

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Current operators

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File:Flag of Norway.svg Norway (11)
In November 2022, the Norwegian Air Force ordered 8 TPY-4 radars for air surveillance missions, with an option for 3 additional radars. The 8 radars are being delivered until 2025.[3] In September 2024, the option for the 3 additional radars was exercised.[4]
The Platform Electronic System is built by Kongsberg Defence & Aerospace (KDA).
File:Flag of the United States.svg United States (19)
The United States Air Force selected this radar for the 3DELRR programme (3-dimensional expeditionary long range radar) in February 2022.[5] The plan is to replace the TPS-75 with 35 AN/TPY-4(V)1 by 2028.[6]
  • 2 ordered in April 2022 for USD $75.0 million.[7]
  • 4 ordered in February 2023 for USD $84.9 million.[7]
  • 3 ordered in January 2024 for USD $65.1 million, to be delivered by end of January 2026.[6]
  • 10 ordered in April 2025[8]

Future operators

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File:Flag of Denmark.svg Denmark (3)
Ordered in December 2025.[9][10]
File:Flag of Sweden.svg Sweden
Ordered in June 2025.[11][12][13]

Potential operators

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File:Flag of Singapore.svg Singapore
Lockheed Martin is offering an undisclosed number of the TPY-4 ground-based long-range surveillance radar to the RSAF (Republic of Singapore Air Force) to replace its FPS-117 radar.[14]

See also

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References

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