The aircraft actually found the submarine before it entered the sonobuoy trap, flying over the hull so closely that the magnetic detector went off.
22.
After the T1945, the Company designed and produced 500 pre-production models of the sonobuoy Type T1302, operating in the higher frequency band.
23.
The primary submarine detection sensor was to be the sonobuoy, of which 112 were carried internally; 38 more could be stowed for in flight reloading.
24.
_Improvements made to the plane since then include : a better navigation system, more computer memory, infrared detection system, surveillance radar and sonobuoy reference system.
25.
A primary system employed by the P-3C is the sonobuoy, a slender 4-foot-long cylinder that is ejected from the aircraft under a small parachute.
26.
Not all variants of the same basic helicopter, even assigned to ASW, carry dipping sonar; some may trade the weight of the sonar for more sonobuoy or weapon capacity.
27.
Captain Vosseller ordered a second attack; Gordon checked with Taylor about the exact position of the sonobuoy, and dropped another " Fido " torpedo where he believed the submarine to be.
28.
In addition, it is equipped with a sonobuoy launch system, a Helicopter In " Flight Refueling ( HIFR ) system, and the necessary avionics and instrumentation for instrument flight and mission accomplishment.
29.
The advancement in sonobuoy technology aided the development of aircraft such as the P-2 Neptune, S-2 Tracker, S-3B Viking and P-3 Orion for anti-submarine warfare.
30.
General Atomics hopes to test a sonobuoy launch capability from the Guardian in 2016 to demonstrate its ability to carry them, control them, and send information back to the ground station over a SATCOM link.
