ATO2 NAVY ADVANCEMENT QUESTIONS WITH CORRECT ANSWERS

What are the two main factors that affect the velocity of sound in seawater? CORRECT ANSWER The temperature and salinity of the water. A sound wave traveling from an area of warm water into an area of cold water will be affected in what way? CORRECT ANSWER It will bend toward the area of cold water. Sonobuoys that transmit an acoustic pulse and detect a resulting echo are classified as what type of sonobuoy? CORRECT ANSWER Active sonobuoys Sonobuoys equipped with an EFS system have what capability? CORRECT ANSWER The capability of selecting channel, life and depth settings What information can a DIFAR sonobuoy provide that a LOFAR sonobuoy cannot? CORRECT ANSWER Submarine bearing. Which of the following sonobuoys provides water temperature data? CORRECT ANSWER BT sonobuoys The OTPI system provides what information to the USW pilot? CORRECT ANSWER Sonobuoy bearing information with respect to aircraft heading. What type of naval aircraft employs the AN/ASQ-13F dipping sonar system? CORRECT ANSWER SH60-F On a dipping sonar system, what component generates and transmits sound energy into the water? CORRECT ANSWER The transducer. What does the acronym IFF stands for? CORRECT ANSWER Identification Friend or Foe What are the three basic steps in the identification process of a typical IFF system? CORRECT ANSWER Challenge, decode, and reply True or False. All naval aircraft contain an interrogator system. CORRECT ANSWER False What is the pulse spacing of Mode 1? CORRECT ANSWER 2.9 to 3.1 microseconds Of the six modes of IFF operation, which one is used by military and civilian aircraft control stations? CORRECT ANSWER Mode 3/A What mode IFF is the military encrypted mode? CORRECT AN