Bell HSL: The Navy’s Vanished Submarine Hunter 🚁
Explore the story of Bell HSL, America's first anti-submarine helicopter from the 1950s, which mysteriously disappeared without a trace.
Retro Transport
3.1K views • May 15, 2025
About this video
Bell HSL - Discover the untold story of America's first anti-submarine warfare helicopter. Designed in the nineteen fifties to counter the Soviet submarine threat, this tandem-rotor aircraft pioneered new naval aviation concepts but never saw operational service. Learn about its development struggles, technical innovations, and why it ultimately vanished from history — with no surviving airframes today.
00:00 - Intro Retro Transport
00:05 - Bell HSL History
02:46 - Outro Retro Transport
#RetroTransport #BellHSL #MilitaryHistory #USNavy #Helicopter #TandemRotor #AviationHistory #Aviation
00:00 - Intro Retro Transport
00:05 - Bell HSL History
02:46 - Outro Retro Transport
#RetroTransport #BellHSL #MilitaryHistory #USNavy #Helicopter #TandemRotor #AviationHistory #Aviation
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Video Information
Views
3.1K
Likes
174
Duration
3:07
Published
May 15, 2025
User Reviews
4.5
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