sonobuoy

(redirected from Sonar buoys)
Also found in: Encyclopedia.

so·no·buoy

 (sŏn′ə-bo͞o′ē, -boi′)
n.
An unmoored sonar buoy equipped with an acoustic receiver and a radio transmitter that emits radio signals when it detects underwater sounds.

sonobuoy

(ˈsəʊnəˌbɔɪ)
n
(Navigation) a buoy equipped to detect underwater noises and transmit them by radio
[from sonic + buoy]

sonobuoy

A sonar device used to detect submerged submarines that, when activated, relays information by radio. It may be active directional or nondirectional, or it may be passive directional or nondirectional.
Mentioned in ?
References in periodicals archive ?
The AN/ALQ-240(V)1 marine patrol system has 100 sets of sonar buoys for underwater search, high-tech "electronic support equipment" (ESM), and infrared night vision sensors.
The team will first deploy sonar buoys to identify the location of the whales and then, when close, use drones to fly above them and wait for telltale orange plumes.
Weapons: Bombs, anti-ship missiles, supersonic low-altitude missiles, land-attack missiles, depth charges, sonar buoys, torpedoes