Sonobuoy drops were carried out at locations along the calculated arc of the final satellite communication with Flight 370 where seafloor depths were considered favourable, near the MV " Haixun 01 " detections, and along the bearing determined by the Curtin University research team of a possible impact event.
42.
Taylor dropped a purple sonobuoy, a newly developed underwater microphone that floats on the surface, picks up underwater sounds and transmits them to the aircraft . A searching aircraft usually drops these in packs of five, code-named purple, orange, blue, red and yellow ( POBRY ).
43.
On a typical training mission, an RCAF crew will receive instructions from its Halifax headquarters, and fly in a combined aerial and naval mission using airborne MAD / sonobuoy equipment to detect a submarine attempting to penetrate the naval forces protecting a high value target such as a convoy or aircraft carrier task force.
44.
*2010 A U . S . Navy Lockheed P-3 Orion accidentally released a sonobuoy shortly after departure from NAS Jacksonville, Florida, which fell 500 feet ( 150 m ) and crashed through the roof of a home in Mandarin, Florida, coming to rest in a bedroom next to a bed.
45.
The sonobuoy recording of the last few moments of " I-52's " sound still survives in the US National Archives in Washington D . C . in the form of two thin film canisters marked " Gordon wire No . 1 " and " Gordon wire No . 2 " dated 24 June 1944.
46.
The crew consisted of two pilots and one flight engineer, two navigators ( one tactical navigator and a routine navigator ), one Air Electronics Officer ( AEO ), the sonobuoy sensor team of two Weapon System Operators ( WSOp ACO ) and four Weapon System Operators ( WSOp EW ) to manage passive and active electronic warfare systems.
47.
"U-219 " emerged from the firefight unscathed, but " U-1062 " did not enjoy similar good fortune ., one of " Mission Bay " s screen, homed in on sonobuoy indications on 30 September and sank the " Milch Cow " with a four-charge pattern.
48.
The upgrade also included new mission equipment of AN / AQS-92F digital sonobuoy processor, A / NARR-84 99-channel sonobuoy receiver, Litton AN / APS-504 radar, AN / ASQ-504 MAD and AN / AAS-40 FLIR . The new turboprop engines resulted in a payload increase of 500 kg.
49.
The upgrade also included new mission equipment of AN / AQS-92F digital sonobuoy processor, A / NARR-84 99-channel sonobuoy receiver, Litton AN / APS-504 radar, AN / ASQ-504 MAD and AN / AAS-40 FLIR . The new turboprop engines resulted in a payload increase of 500 kg.
50.
She fired a pattern of " hedgehogs " and made two depth charge runs before she laid a sonobuoy pattern . " Swenning " joined the search at 1600, and the two destroyer escorts made a coordinated attack . " Willis " and her sistership then combed the area thoroughly throughout the night but finally gave up the hunt at 1906 the following day.
