acoustic torpedo


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acoustic torpedo

[ə′küs·tik tȯr′pēd·ō]
(ordnance)
A naval torpedo which is directed toward its target either by the noise emitted by the target or by sonar.
References in periodicals archive ?
The T11 was an acoustic torpedo with a highly sophisticated electronic guidance system designed to track ships by the sound of their propellers.
Items include an M4 Enigma Machine (two of these, which enciphered and deciphered the German secret code Enigma, were recovered from U-505), a lead-covered codebook (weighted to sink if thrown overboard), a T5 acoustic torpedo engineered to home in on a ship's propeller noise (the first of these to be captured by the Allies), an anti-aircraft gun, the sea strainer cover, and a spare piston for the diesel engine (as large as a person).
Silex lifts an acoustic torpedo and has a range reported to be 30 nautical miles, whereas the SUW-N-1 (formerly designated FRAS-1 by Western Intelligence) fires a nuclear depth charge an estimated 75 km on a ballistic trajectory.
Technically specific electronic equipment, waterborne training, and procedural maintenance are included in implementing three acoustic torpedo test ranges built to US Navy specifications.
A return delegation from the US Navy is required to travel to Brazil to conduct a site visit and finalize the demographic and technical specifications for the installation of the three acoustic torpedo test ranges.
The subs were now also equipped with an acoustic torpedo that homed in on the sound of a ship's propellers.