Another sonobuoy was ejected clear of the aircraft.    From Wordnik.com.  [Red Storm Rising]

More sonobuoy lines appeared across Chicago's path.    From Wordnik.com.  [Red Storm Rising]

'That's one of their sonobuoy monitoring stations.'.    From Wordnik.com.  [Northlight]

The first active sonobuoy was ejected into the water.    From Wordnik.com.  [Red Storm Rising]

HOT: in reference to a sonobuoy, holding enemy contact.    From Wordnik.com.  [Terror At Dawn]

The sonobuoy contact had faded off after a few minutes.    From Wordnik.com.  [Red Storm Rising]

Three more sonobuoy lines began to appear north of Chicago.    From Wordnik.com.  [Red Storm Rising]

The next sonobuoy splashed into the water directly overhead.    From Wordnik.com.  [Red Storm Rising]

A sonobuoy deployed within two hundred yards of the submarine.    From Wordnik.com.  [Red Storm Rising]

The petty officer punched a button to eject a sonobuoy out the side panel.    From Wordnik.com.  [Red Storm Rising]

Approach to No. 6 sonobuoy at steady 68 degrees with appropriate response.    From Wordnik.com.  [Northlight]

The Orion also dropped an additional sonobuoy, this time a directional DIFAR.    From Wordnik.com.  [Red Storm Rising]

Just like in the movies, he thought, and dropped another sonobuoy into the water.    From Wordnik.com.  [Red Storm Rising]

The copilot transmitted the location for the first sonobuoy to the pilot's console.    From Wordnik.com.  [Nuke Zone]

They assumed about a two-mile spacing on the sonobuoy lines, and that gave them range figures.    From Wordnik.com.  [Red Storm Rising]

"I got a weak signal on number six and a medium on number four," the sonobuoy petty officer said.    From Wordnik.com.  [Red Storm Rising]

On the worst day, S-3 could virtually hit a submarine with a sonobuoy and not hear it acoustically.    From Wordnik.com.  [Nuke Zone]

Aft was the sonobuoy storage, and the dipping sonar transducer was caged in its compartment in the floor.    From Wordnik.com.  [Red Storm Rising]

A sonobuoy dropped ten minutes earlier had detected a weak signal, held it for two minutes, then lost it.    From Wordnik.com.  [Red Storm Rising]

The executive officer dived the boat to eight hundred feet, ducking deep below a sonobuoy set for shallow search.    From Wordnik.com.  [Red Storm Rising]

"They are maneuvering in the area, but they do not appear to be circling over a sonobuoy field or making MAD runs in the area.".    From Wordnik.com.  [Arctic Fire]

O'Malley raised his sonar dome and deployed a sonobuoy to mark the position and hold the contact while he moved to another position.    From Wordnik.com.  [Red Storm Rising]

Overhead, they knew, was a Bear-F ASW aircraft armed with homing torpedoes and a crew whose job it was to listen to the sonobuoy signals.    From Wordnik.com.  [Red Storm Rising]

Romeo, the way I want to work this, you give Hatchet a radar steer to our sonobuoy and we'll use our sonar for the cross-bearing to drop.    From Wordnik.com.  [Red Storm Rising]

The system deployed in midair from a 3-foot-long sonobuoy dropped from a P-3 aircraft.    From Wordnik.com.  [Planet Geospatial] Reference

The current year growth reflects increased sonobuoy sales to foreign governments and higher U.S.    From Wordnik.com.  [SeekingAlpha.com: Home Page] Reference

No. 5 sonobuoy responding.    From Wordnik.com.  [Northlight]

DICASS: an active sonobuoy.    From Wordnik.com.  [Terror At Dawn]

Active sonobuoy close aboard to port!.    From Wordnik.com.  [Red Storm Rising]

We have some sonobuoy signals at two-six-six.    From Wordnik.com.  [Red Storm Rising]

P-3C drops sonobuoy.    From Wordnik.com.  [Defense Industry Daily] Reference