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TRML

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</style><div role="note" class="hatnote navigation-not-searchable">This article is about the air defense radar system. For the enzyme, see <a href="TRNA_(cytidine34-2'-O)-methyltransferase" title="TRNA (cytidine34-2'-O)-methyltransferase">TRNA (cytidine34-2'-O)-methyltransferase</a>.</div>

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</style><table class="infobox vevent"><caption class="infobox-title summary">Hensoldt TRML-3D/4D</caption><tbody><tr><td colspan="2" class="infobox-image"><div class="infobox-caption">Telefunken Radar Mobil Luftraumüberwachung</div></td></tr><tr><th scope="row" class="infobox-label">Country of origin</th><td class="infobox-data">Germany</td></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data"><a href="Early_warning_radar" class="mw-redirect" title="Early warning radar">Early warning radar</a></td></tr><tr><th scope="row" class="infobox-label">Frequency</th><td class="infobox-data"><a href="C_band_(IEEE)" title="C band (IEEE)">C band</a></td></tr><tr><th scope="row" class="infobox-label">Range</th><td class="infobox-data">Between 40 and 250 <a href="Kilometre" title="Kilometre">kilometres</a> (25 and 155 <a href="Mile" title="Mile">mi</a>), depending on variant</td></tr><tr><th scope="row" class="infobox-label">Altitude</th><td class="infobox-data">Between 0 and 40,000 <a href="Metre" title="Metre">metres</a> (0 and 131,234 <a href="Foot_(unit)" title="Foot (unit)">ft</a>), depending on variant</td></tr></tbody></table>

The TRML (<a href="German_language" title="German language">German</a>: Telefunken Radar Mobil Luftraumüberwachung or "<a href="Telefunken" title="Telefunken">Telefunken</a> mobile airspace surveillance radar") is a family of air defense radars first developed by Telefunken and currently produced by <a href="Hensoldt" title="Hensoldt">Hensoldt</a>. It is a development of the earlier TRMS (<a href="German_language" title="German language">German</a>: Telefunken Radar Mobil Such or "Telefunken mobile search radar").

Retractable mast versions are TRML-2D with a rotating parabolic antenna and TRML-3D with a rotating <a href="Phased_array" title="Phased array">phased array</a> antenna, designated as Nahbereichsradar (NBR) or "short range radar" by the <a href="Bundeswehr" title="Bundeswehr">Bundeswehr</a>. The latest TRML-4D comes with non-retractable, rotating base <a href="Active_electronically_scanned_array" title="Active electronically scanned array">active electronically scanned array</a> (AESA) solid-state antenna.

<div class="mw-heading mw-heading2"><h2 id="System_description">System description</h2></div>

TRML-2D was designed as an autonomous mobile command system for <a href="Air_defense" class="mw-redirect" title="Air defense">air defense</a> with an integrated search radar. It can detect, identify and track aircraft at low and medium altitude, designate targets for the connected launchers and send commands to the battle management network.

The range of the radar is 60 km for TRML-2D, 200 km for the TRML-3D/32,<a href="#cite_note-trml-3d-product-1">[1]</a> and 250 km for TRML-4D.<a href="#cite_note-trml-4d-product-2">[2]</a>

The crew shelter with integrated retractable mast is loaded onto a truck (Bundeswehr designation "Lkw 15 t mil gl BR"), but can also be dismantled to operate as a standalone trailer. A <a href="Power_generator" class="mw-redirect" title="Power generator">power generator</a> is integrated on the unit. The crew consists of two or three surveillance radar operators.

The radar includes a sideband channel for detecting helicopters. This enables simultaneous action against fast, low-flying aircraft and anti-aircraft missiles as well as against extremely slow-flying targets such as hovering helicopters. The EPM (Electronic Protective Measures) equipment to protect against <a href="Electronic_Countermeasures" class="mw-redirect" title="Electronic Countermeasures">ECM</a> in the <a href="Electronic_Warfare" class="mw-redirect" title="Electronic Warfare">Electronic Warfare</a> and high-resolution <a href="Clutter_(radar)" title="Clutter (radar)">clutter</a> suppression permit the detection and monitoring of even very small targets in difficult environmental conditions. TRML can feed the detected tracks into air defense combat management systems (HFLaAFüSyS 9, HEROS 2) to create more detailed picture of the airspace.

The manufacturer is the company <a href="DASA" title="DASA">DASA</a>, which has been merged into <a href="EADS" class="mw-redirect" title="EADS">EADS</a> and has been trading under the name <a href="Airbus_Defense_and_Space" class="mw-redirect" title="Airbus Defense and Space">Airbus Defense and Space</a> since January 2014. With the spin-off of the electronics division of Airbus Defense and Space at the end of February 2017, the company became <a href="Hensoldt" title="Hensoldt">Hensoldt</a>.<a href="#cite_note-3">[3]</a>

TRML-2D uses rotating parabolic antenna with a cosecant-square pattern, where the lower edge slightly deviating from the parabolic shape (a so-called "lower lip"). The antenna can transmit and receive linearly and circularly <a href="Polarization_(waves)" title="Polarization (waves)">polarized</a> signals. The maximum antenna height is 12 m (top edge); the antenna can also operate on the roof of the shelter. Rotation rate is 14 to 27 RPM (2.25 to 4.44 s). The IFF antenna is integrated into the primary antenna. An omnidirectional antenna element for sidelobe suppression is located above the parabolic reflector.

The range is specified by the manufacturer as 46 km for targets with a <a href="Radar_cross-section" class="mw-redirect" title="Radar cross-section">radar cross-section</a> of 1 m2 and a probability of detection of 80% up to an altitude of 6000 m. For targets with a radar cross section of 3 m2, the range is 60 km.

TRML-3D version is fitted with a 16 or 32-element <a href="Passive_electronically_scanned_array" title="Passive electronically scanned array">passive electronically scanned array</a>.<a href="#cite_note-trml-3d-product-1">[1]</a> In the standard version, the antenna has linear horizontal <a href="Polarization_(waves)" title="Polarization (waves)">polarization</a>; vertical polarization is available as an option. It is mounted on a truck MAN SX45.<a href="#cite_note-4">[4]</a> This radar entered service in 2004.<a href="#cite_note-:0-5">[5]</a>

The marine search radar TRS-3D was created from blocks used by the TRML-3D, the first generation of this radar is uses PESA modules.<a href="#cite_note-6">[6]</a>

A new variant, the TRS-3D Baseline D is being used by the US Coast Guard, known locally as the AN/SPS-75 radar. It uses solid-state <a href="Gallium_nitride" title="Gallium nitride">GaN</a> emitters.<a href="#cite_note-:3-7">[7]</a>

As of 2023, more than 50 of this variant are operational.<a href="#cite_note-:4-8">[8]</a>

The latest variant of the radar was presented by Hensoldt at the <a href="Eurosatory" title="Eurosatory">Eurosatory</a> in 2018.<a href="#cite_note-trml-4d-product-2">[2]</a><a href="#cite_note-armyrecognition-trml-4d-9">[9]</a><a href="#cite_note-armada-trml-4d-10">[10]</a> It will be delivered to customers in 2020.<a href="#cite_note-11">[11]</a>

The radar unit includes a completely redesigned <a href="Active_Electronically_Scanned_Array" class="mw-redirect" title="Active Electronically Scanned Array">AESA</a> antenna with solid-state <a href="Gallium_nitride" title="Gallium nitride">GaN</a> elements, mounted on a non-retractable continuously rotating base. The system does not include an integrated operator shelter anymore, so a separate module is needed. TRML-4D combines <a href="Digital_beamforming" class="mw-redirect" title="Digital beamforming">digital beamforming</a> with <a href="Pulse-Doppler_radar" title="Pulse-Doppler radar">pulse-Doppler radar</a> to detect difficult-to-locate airborne targets such as hovering helicopters or low-flying cruise missiles. The system has increased performance compared to its predecessors and is able to track 1500 targets at a range of up to 250 km. It supports Mode 5 and Mode S identification.<a href="#cite_note-trml-4d-product-2">[2]</a> The radar unit includes an onboard power generator and can be carried by any truck that has standard 20 ft (6.1 m) <a href="ISO_container" class="mw-redirect" title="ISO container">ISO container</a> fittings.<a href="#cite_note-12">[12]</a> Instrumented range is 250 km, can track fighter type targets more than 120 km away.<a href="#cite_note-13">[13]</a>

The <a href="IRIS-T_SL" title="IRIS-T SL">IRIS-T SLS, SLM and SLX</a> use primarily the TRML-4D as fire control radar.

The marine version of the TRML-4D family is called TRS-4D.<a href="#cite_note-14">[14]</a><a href="#cite_note-15">[15]</a> Two variants of this radar exist, one in fixed panel arrays, and the other as a rotating radar.

The American variant of the TRS-4D is designated as the AN/SPS-80 and is the rotating variant.<a href="#cite_note-auto1-16">[16]</a>

<div class="mw-heading mw-heading3"><h3 id="Specifications">Specifications</h3></div>

<td style="background:#EAECF0;border-left:solid 2px black;border-top:solid 2px black;border-bottom:solid 2px black">Parameters

</td>

<td align="center" style="background:#EAECF0; border-left:solid 2px black;border-top:solid 2px black;border-bottom:solid 2px black">TRML-3D/32

</td></tr></tbody></table>

</td>

<td align="center" style="background:#EAECF0; border-top:solid 2px black;border-bottom:solid 2px black">TRML-4D

</td></tr></tbody></table>

</td>

<td align="center" style="background:#EAECF0; border-top:solid 2px black;border-bottom:solid 2px black">TRS-3D/32

</td></tr></tbody></table>

</td>

<td align="center" style="background:#EAECF0; border-top:solid 2px black;border-bottom:solid 2px black">TRS-4D rotating

</td></tr></tbody></table>

</td>

<td align="center" style="background:#EAECF0; border-right:solid 2px black;border-top:solid 2px black;border-bottom:solid 2px black">TRS-4D non-rotating

</td></tr></tbody></table>

</td></tr>

<tr>

</td>

<td colspan="5" align="center" style="background:#EAECF0;border-right:solid 2px black">Capabilities

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Radar type

</td>

<td align="center"><a href="Pulse-Doppler_radar" title="Pulse-Doppler radar">Pulse doppler</a>, <a href="Passive_radar" title="Passive radar">PESA</a>

</td>

<td align="center"><a href="Pulse-Doppler_radar" title="Pulse-Doppler radar">Pulse doppler</a>, <a href="AESA_radar" class="mw-redirect" title="AESA radar">AESA</a>

</td>

<td align="center"><a href="Pulse-Doppler_radar" title="Pulse-Doppler radar">Pulse doppler</a>, <a href="Passive_radar" title="Passive radar">PESA</a>

</td>

<td align="center"><a href="Pulse-Doppler_radar" title="Pulse-Doppler radar">Pulse doppler</a>, <a href="AESA_radar" class="mw-redirect" title="AESA radar">AESA</a>

</td>

<td align="center" style="border-right:solid 2px black"><a href="Pulse-Doppler_radar" title="Pulse-Doppler radar">Pulse doppler</a>, <a href="AESA_radar" class="mw-redirect" title="AESA radar">AESA</a>

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black"><a href="Transceiver" title="Transceiver">Transceiver module types</a>

</td>

<td align="center"><a href="Gallium_nitride" title="Gallium nitride">GaN solid--state</a>

</td>

<td align="center"><a href="Gallium_nitride" title="Gallium nitride">GaN solid--state</a>

</td>

<td align="center"><a href="Gallium_nitride" title="Gallium nitride">GaN solid--state</a>

</td>

<td align="center"><a href="Gallium_nitride" title="Gallium nitride">GaN solid--state</a>

</td>

<td align="center" style="border-right:solid 2px black"><a href="Gallium_nitride" title="Gallium nitride">GaN solid--state</a>

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Frequency band

</td>

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Roles

</td>

<td align="center"><a href="Early-warning_radar" title="Early-warning radar">Air surveillance</a>;

<a href="Target_acquisition" title="Target acquisition">Target acquisition</a> (short-medium range air defence systems)

</td>

<td align="center"><a href="Early-warning_radar" title="Early-warning radar">Air surveillance</a>;

<a href="Target_acquisition" title="Target acquisition">Target acquisition</a> (short-medium range air defence systems)

</td>

<td align="center"><a href="Early-warning_radar" title="Early-warning radar">Medium-range air and surface surveillance system</a>;

<a href="Target_acquisition" title="Target acquisition">Target acquisition</a> (short-medium range air defence systems)

</td>

<td align="center"><a href="Early-warning_radar" title="Early-warning radar">Medium-range air and surface surveillance system</a>;

<a href="Target_acquisition" title="Target acquisition">Target acquisition</a> (short-medium range air defence systems)

</td>

<td align="center" style="border-right:solid 2px black"><a href="Early-warning_radar" title="Early-warning radar">Medium-range air and surface surveillance system</a>;

<a href="Target_acquisition" title="Target acquisition">Target acquisition</a> (short-medium range air defence systems)

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Installation

</td>

<td align="center">Custom installation on a 8×8 MAN SX45 truck

</td>

<td align="center">20-foot ISO container

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center" style="border-right:solid 2px black">–

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Set up time

</td>

<td align="center">Deployment and tear-down < 10 minutes

</td>

<td align="center">Deployment and tear-down < 10 minutes

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center" style="border-right:solid 2px black">–

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Operation

</td>

<td align="center">Remote operation possible

</td>

<td align="center">Remote operation possible

</td>

<td align="center">Detection automatic

</td>

<td align="center">Detection automatic

</td>

<td align="center" style="border-right:solid 2px black">Detection automatic

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Mass

</td>

<td align="center">10 t (22,000 lb)

</td>

<td align="center">–

</td>

<td align="center">575 kg (1,268 lb)

</td>

<td align="center">–

</td>

<td align="center" style="border-right:solid 2px black">–

</td></tr>

<tr>

</td>

<td colspan="5" align="center" style="background:#EAECF0;border-right:solid 2px black">Specifications

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Number targets

</td>

<td align="center">> 400

</td>

<td align="center">1,500

</td>

<td align="center">> 750

</td>

<td align="center">> 1,000

</td>

<td align="center" style="border-right:solid 2px black">> 1,500

</td></tr>

<tr>

</td>

<td align="center">SSR MSSR2000I MK XA, Mk XII and Mode S

</td>

<td align="center">MkXII-A/S capability (incl. Mode 5 and Mode S)

</td>

<td align="center">Mode 5 and Mode S

</td>

<td align="center">Mode 5

</td>

<td align="center" style="border-right:solid 2px black">not specified

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Elevation

</td>

<td align="center">–

</td>

<td align="center">-2° to +70°

(up to -10° with electronic tilt down)

</td>

<td align="center">55° coverage

</td>

<td align="center">-2° to +70° (search)

-2° to +90° (tracking)

</td>

<td align="center" style="border-right:solid 2px black">-2° to +70° (search)

-2° to +90° (tracking)

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Tracking azimuth (of the antenna itself)

</td>

<td align="center">–

</td>

<td align="center">-45° to +45°

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center" style="border-right:solid 2px black">-50° to + 50°

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Azimuth scan

</td>

<td align="center">–

</td>

<td align="center">360°

</td>

<td align="center">360°

</td>

<td align="center">360°

</td>

<td align="center" style="border-right:solid 2px black">–

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Instrumented range

</td>

<td align="center">200 km (120 mi)

</td>

<td align="center">250 km (160 mi)

</td>

<td align="center">108 nmi (200 km)

</td>

<td align="center">250 km (130 nmi)

</td>

<td align="center" style="border-right:solid 2px black">250 km (130 nmi)

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Missile track range

</td>

<td align="center">–

</td>

<td align="center">60 km (37 mi)

</td>

<td align="center">10 nmi (19 km) (low altitude)

</td>

<td align="center">> 14 km (8.7 mi) (small surface target)

radar horizon (sea skimmer)

</td>

<td align="center" style="border-right:solid 2px black">> 14 km (8.7 mi) (small surface target)

radar horizon (sea skimmer)

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Jet fighter track range

</td>

<td align="center">–

</td>

<td align="center">120 km (75 mi)

</td>

<td align="center">–

</td>

<td align="center">< 100 km (62 mi)

</td>

<td align="center" style="border-right:solid 2px black">< 110 km (68 mi)

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Altitude

</td>

<td align="center">23,000 m (75,000 ft)

</td>

<td align="center">30,000 m (98,000 ft)

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center" style="border-right:solid 2px black">–

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Minimum range

</td>

<td align="center">–

</td>

<td align="center">< 120 m (130 yd)

</td>

<td align="center">0.1 nmi (0.19 km)

</td>

<td align="center">< 200 m (220 yd)

</td>

<td align="center" style="border-right:solid 2px black">< 200 m (220 yd)

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">RCS capability

</td>

<td align="center">–

</td>

<td align="center">0.01 m2 (0.11 sq ft)

</td>

<td align="center">–

</td>

<td align="center">< 0.01 m2 (0.11 sq ft)

</td>

<td align="center" style="border-right:solid 2px black">< 0.01 m2 (0.11 sq ft)

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Air target tracking accuracy (track-while scan mode)

</td>

<td align="center">–

</td>

<td align="center">Azimuth: < 0.2°

Elevation: < 0.3°

Range: < 15 m (16 yd)

</td>

<td align="center">Azimuth: < 0.24°

Elevation: < 1.3°

Range: < 25 m (27 yd)

</td>

<td align="center">Azimuth: < 0.4°

Elevation: < 0.2°

Range: < 15 m (16 yd)

</td>

<td align="center" style="border-right:solid 2px black">Azimuth: < 0.4°

Elevation: < 0.2°

Range: < 15 m (16 yd)

</td></tr>

<tr>

</td>

<td colspan="5" align="center" style="background:#EAECF0;border-right:solid 2px black">Power supply

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Voltage

</td>

<td align="center">240/400 V, 50 Hz

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center" style="border-right:solid 2px black">–

</td></tr>

<tr>

<td style="background:#EAECF0;border-left:solid 2px black;border-right:solid 2px black">Power generator

</td>

<td align="center">42 kVA

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center">–

</td>

<td align="center" style="border-right:solid 2px black">–

</td></tr>

<tr>

<td style="background:#EAECF0;border-bottom:solid 2px black;border-left:solid 2px black;border-right:solid 2px black">Power consumpion

</td>

<td align="center" style="border-bottom:solid 2px black;">33 kVA

</td>

<td align="center" style="border-bottom:solid 2px black;">–

</td>

<td align="center" style="border-bottom:solid 2px black;">–

</td>

<td align="center" style="border-bottom:solid 2px black;">–

</td>

<td align="center" style="border-bottom:solid 2px black;border-right:solid 2px black">–

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Operators_of_land_radars">Operators of land radars</h2></div>

<dl><dt> <a href="Germany" title="Germany">Germany</a> (–)</dt>

<dd>Formerly used with a C2 center (command and control)center for the fire control of the <a href="Roland_(missile)" title="Roland (missile)">ROLAND</a>.</dd></dl>

<div class="mw-heading mw-heading4"><h4 id="Current_operators">Current operators</h4></div>

<dl><dt> <a href="Lithuania" title="Lithuania">Lithuania</a> (3)</dt>

<dd>3 in service with the <a href="Lithuanian_Air_Force" title="Lithuanian Air Force">Lithuanian Air Force</a>, contract signed in 2001, all delivered by August 2004.<a href="#cite_note-26">[26]</a><a href="#cite_note-27">[27]</a></dd>

<dt> <a href="Malaysia" title="Malaysia">Malaysia</a> (2)</dt>

<dd>2 radars ordered in December 2005, and delivered by 2008.<a href="#cite_note-28">[28]</a> The contract included an option for 8 additional radars to be ordered in 2006, but it was not exercised.<a href="#cite_note-29">[29]</a></dd>

<dt> <a href="Netherlands" title="Netherlands">Netherlands</a> (5)</dt>

<dd>The <a href="Royal_Netherlands_Army" title="Royal Netherlands Army">Royal Netherlands Army</a> operates 5 TRML-3D/32 with the <a href="NASAMS" title="NASAMS">NASAMS 2 air defence system</a> as part of the <a href="Joint_Ground-based_Air_Defence_Command#AGBADS" title="Joint Ground-based Air Defence Command">AGBADS</a> (Army Ground-based Air Defence System), those are used as air-surveillance radars.<a href="#cite_note-30">[30]</a><a href="#cite_note-31">[31]</a><a href="#cite_note-32">[32]</a></dd>

<dd>Radar operated by the <a href="Royal_Guard_of_Oman" title="Royal Guard of Oman">Royal Guard of Oman</a>. It is used as a fire control radar for the <a href="MICA_(missile)" title="MICA (missile)">MICA VL air defence system</a>, tested in 2012.<a href="#cite_note-33">[33]</a></dd>

<dt> <a href="Thailand" title="Thailand">Thailand</a> (3)</dt>

<dd>The radar is being operated by the <a href="Royal_Thai_Army" title="Royal Thai Army">Royal Thai Army</a> with its <a href="MICA_(missile)" title="MICA (missile)">MICA VL air defence system</a>.<a href="#cite_note-34">[34]</a> The first 2 radars were ordered in 2014.<a href="#cite_note-35">[35]</a> The third radar was ordered in 2020, for a delivery by 2022.<a href="#cite_note-:0-5">[5]</a> The variant used is the TRML-3D/32-6.<a href="#cite_note-36">[36]</a></dd></dl>

<dl><dt> <a href="Egypt" title="Egypt">Egypt</a> (23)</dt>

<dd>Orders:

<ul><li>7 ordered with IRIS-T SLM ground-based air defense systems in 2018<a href="#cite_note-rp-online.de2-37">[37]</a></li>

<li>10 ordered with IRIS-T SLX approved in December 2021</li>

<li>6 ordered with IRIS-T SLS<a href="#cite_note-polygon-egypt-slm-20222-38">[38]</a><a href="#cite_note-39">[39]</a></li></ul></dd></dl>

<dl><dt> <a href="Estonia" title="Estonia">Estonia</a></dt>

<dd>Order

<ul><li>Unknown number ordered with IRIS-T SLM in 2023<a href="#cite_note-:1-40">[40]</a><a href="#cite_note-:2-41">[41]</a></li></ul></dd></dl>

<dl><dt> <a href="Germany" title="Germany">Germany</a> (1 delivered, 5 more on order, 2 in option)</dt>

<dd>Order (6)

<ul><li>6 ordered with IRIS-T SLM in July 2023<a href="#cite_note-42">[42]</a></li></ul></dd>

<dd>Options (2)

<ul><li>2 additional to be ordered with the additional IRIS-T SLM planned<a href="#cite_note-43">[43]</a></li></ul></dd>

<dd>As of August 2024, one battery has been delivered with its radar<a href="#cite_note-44">[44]</a></dd>

<dt> <a href="Latvia" title="Latvia">Latvia</a></dt>

<dd>Order

<ul><li>Unknown number ordered with IRIS-T SLM in 2023<a href="#cite_note-:1-40">[40]</a><a href="#cite_note-:2-41">[41]</a></li></ul></dd></dl>

<dl><dt> <a href="Slovenia" title="Slovenia">Slovenia</a></dt>

<dd>Order (2)

<ul><li>2 ordered with IRIS-T SLM in July 2023<a href="#cite_note-45">[45]</a></li></ul></dd></dl>

<dl><dt> <a href="Sweden" title="Sweden">Sweden</a></dt>

<dd>Order (2)

<ul><li>2 ordered with IRIS-T SLM in June 2025<a href="#cite_note-46">[46]</a></li></ul></dd></dl>

<dl><dt> <a href="Ukraine" title="Ukraine">Ukraine</a> (16 in service, 6 more on order)</dt>

<dd>Orders (22)

<ul><li>4 ordered in October 2022<a href="#cite_note-47">[47]</a></li>

<li>2 ordered in January 2023<a href="#cite_note-48">[48]</a></li>

<li>6 ordered in May 2023 (€100 million)<a href="#cite_note-49">[49]</a></li>

<li>4 ordered in June 2023<a href="#cite_note-50">[50]</a></li>

<li>6 ordered in May 2024<a href="#cite_note-51">[51]</a></li>

<li>unknown quantity ordered in July 2025<a href="#cite_note-52">[52]</a></li></ul></dd>

<dd>Deliveries (16)

<ul><li>16 TRML-4D delivered as of April 2025<a href="#cite_note-53">[53]</a></li></ul></dd></dl>

<div class="mw-heading mw-heading3"><h3 id="Potential_sales_TRML-4D">Potential sales TRML-4D</h3></div>

<dl><dt> <a href="Austria" title="Austria">Austria</a> (8)</dt>

<dd>8 IRIS-T fire units with 3 launchers each are to be purchased by Austria. It will include IRIS-T SLM and SLS batteries. The decision for this system was announced in September 2023.<a href="#cite_note-54">[54]</a></dd>

<dt> <a href="Bulgaria" title="Bulgaria">Bulgaria</a> (1 + 6)</dt>

<dd>The Bulgarian parliament approved the purchase of 1 fire unit of the IRIS-T SLM for the <a href="Bulgarian_Air_Force" title="Bulgarian Air Force">Bulgarian Air Force</a> in August 2024.<a href="#cite_note-:13-55">[55]</a> The TRML-4D is the likely radar, but not confirmed yet.</dd>

<dd>An option for up to 5 IRIS-T SLM and 1 IRIS-T SLX fire units is available until 2032.<a href="#cite_note-:13-55">[55]</a></dd>

<dt> <a href="Romania" title="Romania">Romania</a> (up to 41)</dt>

<dd>The Romanian armed forces are looking for up to 41 short-range air-defence systems, among the competitors are the IRIS-T SLS and IRIS-T SLM, but also the VL MICA, all of which could be using the TRML-4D.<a href="#cite_note-56">[56]</a></dd>

<dt> <a href="Lithuania" title="Lithuania">Lithuania</a></dt>

<dd>On 21 May 2024, in the meeting with Germany <a href="Federal_Ministry_of_Defence_(Germany)" title="Federal Ministry of Defence (Germany)">Federal Ministry of Defence</a> <a href="Boris_Pistorius" title="Boris Pistorius">Boris Pistorius</a>, the <a href="Ministry_of_National_Defence_(Lithuania)" title="Ministry of National Defence (Lithuania)">Ministry of National Defence</a> <a href="Laurynas_Kas%C4%8Di%C5%ABnas" title="Laurynas Kasčiūnas">Laurynas Kasčiūnas</a> said that Lithuania was considering purchasing IRIS-T medium-range air defense system.<a href="#cite_note-57">[57]</a></dd>

<dt>  <a href="Switzerland" title="Switzerland">Switzerland</a></dt>

<dd>Pre-selected

<ul><li>As part of the programme BODLUV-MR, Diehl was the only company offering a short-range air defence system with the IRIS-T SLM. Armasuisse will now initiate the negotiations with Diehl for the purchase of an unknown number of systems which are to be financed with the 2025 Armament Programme.<a href="#cite_note-58">[58]</a></li></ul></dd></dl>

<div class="mw-heading mw-heading2"><h2 id="Operators_of_naval_radars">Operators of naval radars</h2></div>

<div class="mw-heading mw-heading4"><h4 id="Current_operators_2">Current operators</h4></div>

<dl><dt> <a href="Denmark" title="Denmark">Denmark</a> (1 operational, 3 retired)</dt>

<dd>

<ul><li>1 TRS-3D/16 used with the Søløven (Y311) diving support vessel (<a href="Flyvefisken-class_patrol_vessel" title="Flyvefisken-class patrol vessel">Flyvefisken class</a>, SF300 – Serie 3) of the <a href="List_of_active_Royal_Danish_Navy_ships" title="List of active Royal Danish Navy ships">Danish Navy</a>.<a href="#cite_note-:5-59">[59]</a></li>

<li>3 TRS-3D operated on <a href="Niels_Juel-class_corvette" title="Niels Juel-class corvette">Niels Juel class</a> corvettes when modernised, and these ships were decommissioned in 2009.<a href="#cite_note-60">[60]</a><a href="#cite_note-61">[61]</a></li></ul></dd></dl>

<dl><dt> <a href="Finland" title="Finland">Finland</a> (7 operational)</dt>

<dd><a href="Finnish_Navy" title="Finnish Navy">Finnish Navy</a>:

<ul><li>4 TRS-3D/16ES with the <a href="Hamina-class_missile_boat" title="Hamina-class missile boat">Hamina class</a> <a href="Corvette" title="Corvette">corvettes</a>.<a href="#cite_note-62">[62]</a><a href="#cite_note-63">[63]</a></li>

<li>2 TRS-3D/16ES with the <a href="H%C3%A4meenmaa-class_minelayer" title="Hämeenmaa-class minelayer">Hämeenmaa class</a> <a href="Minelayer" title="Minelayer">minelayer</a> after a modernisation in 2007.<a href="#cite_note-64">[64]</a></li></ul></dd>

<dd><a href="Finnish_Coast_Guard" class="mw-redirect" title="Finnish Coast Guard">Finnish Coast Guard</a>:

<ul><li>1 TRS-3D with the <a href="Turva" title="Turva">Turva</a> <a href="Offshore_patrol_vessel" class="mw-redirect" title="Offshore patrol vessel">OPV</a>.<a href="#cite_note-65">[65]</a></li></ul></dd></dl>

<dl><dt> <a href="Germany" title="Germany">Germany</a> (5 operational, 8 retired)</dt>

<dd>

<ul><li>8 TRS-3D/32 that were installed on the <a href="Bremen-class_frigate" title="Bremen-class frigate">Bremen class</a> frigates (F122).<a href="#cite_note-66">[66]</a></li>

<li>5 TRS-3D/16 which equip the <a href="Braunschweig-class_corvette" title="Braunschweig-class corvette">Braunschweig class</a> corvettes (K130 - Batch 1).<a href="#cite_note-67">[67]</a></li></ul></dd></dl>

<dl><dt> <a href="Malaysia" title="Malaysia">Malaysia</a> (6 operational)</dt>

<dd>6 TRS-3D/16 ES operated on the <a href="Kedah-class_offshore_patrol_vessel" title="Kedah-class offshore patrol vessel">Kedah class</a> <a href="Offshore_patrol_vessel" class="mw-redirect" title="Offshore patrol vessel">OPV</a> (a MEKO 100 RMN).</dd>

<dt> <a href="Norway" title="Norway">Norway</a> (5 operational, 2 retired)</dt>

<dd>Radar used on two ships of the Norwegian Naval Forces:</dd>

<dd><a href="Royal_Norwegian_Navy" title="Royal Norwegian Navy">Royal Norwegian Navy</a>:

<ul><li>1 TRS-3D/16 ES used with the <a href="HNoMS_Nordkapp" title="HNoMS Nordkapp">HNoMS Nordkapp</a> (a mine countermeasure command vessel).<a href="#cite_note-:6-68">[68]</a></li></ul></dd>

<dd><a href="Norwegian_Coast_Guard" title="Norwegian Coast Guard">Norwegian Coast Guard</a>:

<ul><li>2 TRS-3D/16 ES that were used on 2 <a href="Nordkapp-class_offshore_patrol_vessel" title="Nordkapp-class offshore patrol vessel">Nordkapp class</a> OPV of the <a href="Norwegian_Coast_Guard" title="Norwegian Coast Guard">Norwegian Coast Guard</a> that were retired.<a href="#cite_note-:6-68">[68]</a><a href="#cite_note-:7-69">[69]</a></li>

<li>1 TRS-3D/16 new generation ordered in 2019 for the Norwegian Coast Guard vessel <a href="NoCGV_Svalbard" title="NoCGV Svalbard">KV Svalbard</a> (AESA solid state with GaN TRM).<a href="#cite_note-70">[70]</a></li>

<li>3 TRS-3D/16 new generation used with the <a href="Jan_Mayen-class_offshore_patrol_vessel" title="Jan Mayen-class offshore patrol vessel">Jan Mayen class</a> <a href="Offshore_patrol_vessel" class="mw-redirect" title="Offshore patrol vessel">Offshore patrol vessel</a> (AESA solid state with GaN TRM).<a href="#cite_note-:7-69">[69]</a></li></ul></dd></dl>

<dl><dt> <a href="Portugal" title="Portugal">Portugal</a> (4 operational, 2 spare)</dt>

<dd>6 TRS-3D/16 that equip the 6 ships of the <a href="Flyvefisken-class_patrol_vessel" title="Flyvefisken-class patrol vessel">Flyvefisken class</a> (SF300 – Serie 2) sold by the Danish Navy to the <a href="Portuguese_Navy" title="Portuguese Navy">Portuguese Navy</a>.The Portuguese uses four ships as patrol ships, they class was renamed <a href="Tejo-class_patrol_vessel" class="mw-redirect" title="Tejo-class patrol vessel">Tejo class</a>, and 2 were retired for spare parts.<a href="#cite_note-:5-59">[59]</a></dd>

<dt> <a href="Spain" title="Spain">Spain</a> (2)</dt>

<dd>2 TRS-3D/16 installed on the <a href="Galicia-class_landing_platform_dock" title="Galicia-class landing platform dock">Galicia class</a> <a href="Amphibious_transport_dock" title="Amphibious transport dock">amphibious transport dock</a> of the Spanish Navy.<a href="#cite_note-71">[71]</a></dd>

<dt> <a href="United_States" title="United States">United States</a> (13)</dt>

<dd>Used on several ships of the <a href="United_States_Armed_Forces" title="United States Armed Forces">US Armed Forces</a>:

<ul><li>8 TRS-3D/16 ES (AN/SPS-75) <a href="Freedom-class_littoral_combat_ship" title="Freedom-class littoral combat ship">Freedom-class LCS</a>.<a href="#cite_note-72">[72]</a></li></ul></li>

<li><a href="United_States_Coast_Guard" title="United States Coast Guard">US Coast Guard</a>

<ul><li>12 TRS-3D Baseline D (AN/SPS-75) for the <a href="Legend-class_cutter" title="Legend-class cutter">Legend-class National Security Cutter (NSC)</a>.<a href="#cite_note-:3-7">[7]</a></li>

<li>1 TRS-3D Baseline D (AN/SPS-75) ordered in 2023 for the Coast Guard training center (TRACEN) located in Petaluma, California.<a href="#cite_note-:4-8">[8]</a></li></ul></li></ul></dd></dl>

<div class="mw-heading mw-heading4"><h4 id="Current_operators_3">Current operators</h4></div>

<dd>Ordered and in service with the <a href="German_Navy" title="German Navy">German Navy</a>:

<ul><li>5 rotating TRS-4D ordered in February 2019 to equip the <a href="Braunschweig-class_corvette" title="Braunschweig-class corvette">Braunschweig class</a> corvettes (K130 - Batch 2).<a href="#cite_note-auto-73">[73]</a></li>

<li>2 rotating TRS-4D ordered in February 2019 for land based systems (training).<a href="#cite_note-auto-73">[73]</a></li>

<li>16 fixed planar arrays TRS-4D used on the 4 <a href="Baden-W%C3%BCrttemberg-class_frigate" title="Baden-Württemberg-class frigate">Baden-Württemberg class</a> (F125).<a href="#cite_note-74">[74]</a></li>

<li>16 fixed planar arrays TRS-4D to equip the <a href="F126_frigate" title="F126 frigate">Niedersachsen class</a> frigates (F126) ordered in 2022.<a href="#cite_note-:8-75">[75]</a></li>

<li>1 fixed planar arrays TRS-4D to equip the test center ordered in 2022.<a href="#cite_note-:8-75">[75]</a></li>

<li>8 fixed planar arrays TRS-4D to equip the two additional <a href="F126_frigate" title="F126 frigate">Niedersachsen class</a> frigates (F126) ordered in August 2024.<a href="#cite_note-:8-75">[75]</a></li></ul></dd></dl>

<dl><dt> <a href="United_States" title="United States">United States</a> (8 rotating radars)</dt>

<dd>8 rotating TRS-4D (AN/SPS-80) ordered for the <a href="Freedom-class_littoral_combat_ship" title="Freedom-class littoral combat ship">Freedom-class LCS</a> (Littoral combat ship) and the first were installed in 2019.<a href="#cite_note-auto1-16">[16]</a></dd>

<dt> <a href="Chile" title="Chile">Chile</a> (3 rotating radars)</dt>

<dd>3 rotating TRS-4D installed on the modernised <a href="Type_23_frigate" title="Type 23 frigate">c</a> (former Type 23 frigates).<a href="#cite_note-76">[76]</a></dd>

<dt>Future operators</dt>

<dt> <a href="Brazil" title="Brazil">Brazil</a> (4 rotating radars ordered + 4 planned)</dt>

<dd>4 rotating TRS-4D ordered for the <a href="Brazilian_Navy" title="Brazilian Navy">Brazilian Navy</a> <a href="Tamandar%C3%A9-class_frigate" title="Tamandaré-class frigate">Tamandaré class</a> based on the <a href="MEKO" title="MEKO">MEKO A-100</a> family of warships. 4 additional ships of this class are planned in the future.<a href="#cite_note-77">[77]</a> The ships are in construction, the first was launched in August 2024.<a href="#cite_note-78">[78]</a></dd>

<dt> <a href="Saudi_Arabia" title="Saudi Arabia">Saudi Arabia</a> (4 rotating radars)</dt>

<dd>4 rotating TRS-4D (AN/SPS-80) ordered for the 4 <a href="Freedom-class_littoral_combat_ship" title="Freedom-class littoral combat ship">Freedom-class LCS</a> (Littoral combat ship) ordered by the <a href="Royal_Saudi_Navy" title="Royal Saudi Navy">Royal Saudi Navy</a>.<a href="#cite_note-79">[79]</a></dd></dl>

<div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2></div>

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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20240118082219/https://www.hensoldt.net/products/radar-iff-and-datalink/trml-3d/32/">"TRML-3D/32 - Mobile Air Surveillance and Defence Radar | HENSOLDT"</a>. Archived from <a rel="nofollow" class="external text" href="https://www.hensoldt.net/products/radar-iff-and-datalink/trml-3d/32/">the original</a> on 2024-01-18. Retrieved 2022-06-18.</cite>

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