{"id":48975,"date":"2026-04-20T14:30:00","date_gmt":"2026-04-20T14:30:00","guid":{"rendered":"https:\/\/one.sightlinemg.com\/defensenews\/uncategorized\/2026\/04\/20\/us-navy-wants-helicopter-sonar-that-can-detect-subs-and-mines\/"},"modified":"2026-08-08T16:47:34","modified_gmt":"2026-08-08T16:47:34","slug":"us-navy-wants-helicopter-sonar-that-can-detect-subs-and-mines","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/defensenews\/naval\/2026\/04\/20\/us-navy-wants-helicopter-sonar-that-can-detect-subs-and-mines\/","title":{"rendered":"US Navy wants helicopter sonar that can detect subs \u2013 and mines"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">As the <a href=\"https:\/\/www.militarytimes.com\/news\/pentagon-congress\/2026\/04\/14\/amid-focus-on-strait-of-hormuz-experts-sound-warning-on-yemens-houthis-and-red-sea\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.militarytimes.com\/news\/pentagon-congress\/2026\/04\/14\/amid-focus-on-strait-of-hormuz-experts-sound-warning-on-yemens-houthis-and-red-sea\/\">Iran<\/a> war has shown, <a href=\"https:\/\/www.navytimes.com\/news\/your-military\/2026\/04\/16\/how-the-us-military-could-clear-mines-from-the-strait-of-hormuz\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.navytimes.com\/news\/your-military\/2026\/04\/16\/how-the-us-military-could-clear-mines-from-the-strait-of-hormuz\/\">detecting and sweeping mines<\/a> is one of the biggest challenges for the <a href=\"https:\/\/www.navytimes.com\/news\/your-military\/2026\/04\/20\/us-navy-destroyer-fires-on-cargo-vessel-attempting-to-sail-to-iranian-port\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.navytimes.com\/news\/your-military\/2026\/04\/20\/us-navy-destroyer-fires-on-cargo-vessel-attempting-to-sail-to-iranian-port\/\">U.S. Navy<\/a>. Meanwhile, the sea service also has to worry about detecting <a href=\"https:\/\/www.militarytimes.com\/news\/your-military\/2026\/03\/04\/us-submarine-sinks-iranian-ship-in-first-torpedo-kill-since-wwii-pentagon-confirms\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.militarytimes.com\/news\/your-military\/2026\/03\/04\/us-submarine-sinks-iranian-ship-in-first-torpedo-kill-since-wwii-pentagon-confirms\/\">submarines<\/a> operated by China, Russia and other nations. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But rather than separate sonars and <a href=\"https:\/\/www.militarytimes.com\/news\/your-military\/2026\/03\/24\/army-receives-first-pilot-optional-black-hawk-for-testing\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.militarytimes.com\/news\/your-military\/2026\/03\/24\/army-receives-first-pilot-optional-black-hawk-for-testing\/\">helicopters<\/a> for spotting mines and subs, the Navy is exploring the convenience of having one sonar that allows a single helicopter to perform both <a href=\"https:\/\/www.defensenews.com\/news\/pentagon-congress\/2026\/04\/13\/us-blockade-of-iran-will-be-major-military-endeavor-experts-say\/\" target=\"_blank\" rel=\"\" title=\"https:\/\/www.defensenews.com\/news\/pentagon-congress\/2026\/04\/13\/us-blockade-of-iran-will-be-major-military-endeavor-experts-say\/\">missions<\/a>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The service, therefore, is looking for a helicopter-borne dipping sonar capable of both anti-submarine warfare, or ASW, and airborne mine countermeasures, or AMCM. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe multi-mission capability of such a sonar transducer assembly would also allow one aircraft, without reconfiguring, [to] cover both ASW and AMCM mission sets for reduced maintenance and reducing the equipment needed to be stored while afloat in space-constrained ships,\u201d explained the Navy Small Business Innovation Research <a href=\"https:\/\/www.dodsbirsttr.mil\/topics-app\/?baa=DOD_SBIR_2026_P1_CBZ&amp;release=1\" target=\"_blank\" rel=\"\"><u>solicitation<\/u><\/a>, which opens May 6 and closes June 3. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The sonar would be mounted on multi-mission helicopters. It would also be suitable for the Navy\u2019s upcoming <a href=\"https:\/\/www.navair.navy.mil\/news\/Navys-Future-Vertical-Lift-Maritime-Strike-Passes-Key-Milestone-Completes-Gate-2-R3B\/Tue\" target=\"_blank\" rel=\"\"><u>maritime strike future vertical lift<\/u><\/a> platform, which will replace aging MH-60R and MH-60S helicopters. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Historically, acoustic ASW and AMCM have been different fields, with anti-submarine sonar and sonobuoys installed on medium-lift helicopters, and mine detection systems installed on heavy-lift helicopters. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yet previous and \u201cminimally funded\u201d efforts to use ASW sonar for mine detection \u201chave shown success in detecting nearly every naval mine based on post-flight data analysis,\u201d according to the Navy. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cEnhancing that capability with a secondary frequency band and associated beam steering, as well as uniquely developed pulses and processing across both frequency bands, is expected to provide a significant AMCM capability while retaining both traditional ASW superiority and enhanced ASW detection and classification capabilities for certain scenarios,\u201d the solicitation said. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The SBIR lists a variety of desired technical specifications, including a weight of less than 180 pounds, a stowed diameter no greater than 210 millimeters and an overall length no greater than 1,275 millimeters. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The device should be capable of inner- and middle-zone submarine detection. The primary acoustic transmit band for ASW would operate at 3 to 5 kHz, while a higher-frequency secondary band would handle AMCM. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition, \u201cit would be a significant advancement in helicopter-based ASW capabilities if a tertiary frequency band below 2 kHz was also added to expand mission capabilities to broach wide area search and explore advantages of convergence zone type capabilities,\u201d according to the solicitation. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Given that sonobuoys cost less than $15,000 apiece, \u201ca highly capable sonar transducer design would be capable of being generated with a much more reasonable forecast production cost well below $500,000 each,\u201d the service noted. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Phase I of the project involves scale electronic models, and using analysis and simulation to demonstrate inner- and middle-zone ASW as well as the ability to detect floating, moored and bottomed mines. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Phase II calls for a prototype that can be fitted on a Navy ASW-capable helicopter. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Phase III would see the prototype flight tested aboard an MH-60R in both ASW and AMCM scenarios. Dual-use applications include commercial undersea mineral exploration, and recovery of ships and aircraft lost at sea. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Instead of separate tech to spot mines and subs, the Navy is exploring the convenience of having one sonar that allows a single helicopter to do both.<\/p>\n","protected":false},"author":7,"featured_media":111711,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_acf":"","_yoast_wpseo_primary_category":16,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":[]},"categories":[29,12,49,16,93],"tags":[],"coauthors":[3415],"class_list":["post-48975","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-digital-show-dailies","category-industry","category-techwatch","category-naval","category-navy-league"],"acf":{"subheadline":"","legacy_arc_id":"YFDZSPWFOJF4ZKXOE2TX3ZV54U","arc_canonical_url":"\/news\/your-military\/2026\/04\/20\/us-navy-wants-helicopter-sonar-that-can-detect-subs-and-mines\/","remove_feature_photo":false,"is_sponsored":false,"subtype":"","redirect_url":"","disable_inline_ads":false,"native_logo_pretext":"Presented 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