ATO2 NAVY ADVANCEMENT EXAM 2025 WITH 100%
ACCURATE SOLUTIONS
What are the two main factors that affect the velocity of sound in
seawater? - CORRECT -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 -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
-Active sonobuoys
\Sonobuoys equipped with an EFS system have what capability? -
CORRECT -The capability of selecting channel, life and
depth settings
\What information can a DIFAR sonobuoy provide that a LOFAR
sonobuoy cannot? - CORRECT -Submarine bearing.
\Which of the following sonobuoys provides water temperature
data? - CORRECT -BT sonobuoys
\The OTPI system provides what information to the USW pilot? -
CORRECT -Sonobuoy bearing information with respect
to aircraft heading.
\What type of naval aircraft employs the AN/ASQ-13F dipping
sonar system? - CORRECT -SH60-F
,\On a dipping sonar system, what component generates and
transmits sound energy into the water? - CORRECT -
The transducer.
\What does the acronym IFF stands for? - CORRECT -
Identification Friend or Foe
\What are the three basic steps in the identification process of a
typical IFF system? - CORRECT -Challenge, decode, and
reply
\True or False. All naval aircraft contain an interrogator system. -
CORRECT -False
\What is the pulse spacing of Mode 1? - CORRECT -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 -
Mode 3/A
\What mode IFF is the military encrypted mode? -
CORRECT -Mode 4
\What is the transmission frequency of the interrogator? -
CORRECT -1030MHz
\In a typical IFF/SIF system, what total number of codes can be
selected in Mode 2? - CORRECT -4096
\The Identification of Position (I/P) pulse is used for what purpose? -
CORRECT -It is used to identify a specific friendly
aircraft among other friendly aircraft that reply with the same code.
, \What mode of IFF is set prior to takeoff by maintenance personnel?
- CORRECT -Mode 2
\Where are Modes 1 and 3/A selected on the AN/APX-72
transponder set? - CORRECT -By thumbwheel switches
on the front of the control box.
\What part of the APX-72 system provides for ground or in-flight
transponder testing capability? - CORRECT -The
Transponder Test Set TS-1843/APX
\The AN/APX-72 generates a signal of what frequency when
interrogated? - CORRECT -1090 MHz
\The interrogator works in conjunction with what other aircraft
system? - CORRECT -The radar.
\What component of the interrogator set is used to select SIF reply
codes for Modes 1, 2, and 3/A? - CORRECT -C-
7383/APX-76(V) control box
\What component monitors the timing triggers, pre-triggers, gates,
and test video and causes the fault indicator lamp on the
interrogator control to illuminate when a fault has been detected
within the system? - CORRECT -Electronic
Synchronizer SN-416/APX-76(V)
\The APX-100 transponder set is available in what number of
configurations? - CORRECT -The system comes in two
configurations.
\To respond to Mode 4 interrogations, the IFF transponder set
system requires what additional components? -
CORRECT -Transponder Computer KIT-1/TSEC
ACCURATE SOLUTIONS
What are the two main factors that affect the velocity of sound in
seawater? - CORRECT -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 -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
-Active sonobuoys
\Sonobuoys equipped with an EFS system have what capability? -
CORRECT -The capability of selecting channel, life and
depth settings
\What information can a DIFAR sonobuoy provide that a LOFAR
sonobuoy cannot? - CORRECT -Submarine bearing.
\Which of the following sonobuoys provides water temperature
data? - CORRECT -BT sonobuoys
\The OTPI system provides what information to the USW pilot? -
CORRECT -Sonobuoy bearing information with respect
to aircraft heading.
\What type of naval aircraft employs the AN/ASQ-13F dipping
sonar system? - CORRECT -SH60-F
,\On a dipping sonar system, what component generates and
transmits sound energy into the water? - CORRECT -
The transducer.
\What does the acronym IFF stands for? - CORRECT -
Identification Friend or Foe
\What are the three basic steps in the identification process of a
typical IFF system? - CORRECT -Challenge, decode, and
reply
\True or False. All naval aircraft contain an interrogator system. -
CORRECT -False
\What is the pulse spacing of Mode 1? - CORRECT -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 -
Mode 3/A
\What mode IFF is the military encrypted mode? -
CORRECT -Mode 4
\What is the transmission frequency of the interrogator? -
CORRECT -1030MHz
\In a typical IFF/SIF system, what total number of codes can be
selected in Mode 2? - CORRECT -4096
\The Identification of Position (I/P) pulse is used for what purpose? -
CORRECT -It is used to identify a specific friendly
aircraft among other friendly aircraft that reply with the same code.
, \What mode of IFF is set prior to takeoff by maintenance personnel?
- CORRECT -Mode 2
\Where are Modes 1 and 3/A selected on the AN/APX-72
transponder set? - CORRECT -By thumbwheel switches
on the front of the control box.
\What part of the APX-72 system provides for ground or in-flight
transponder testing capability? - CORRECT -The
Transponder Test Set TS-1843/APX
\The AN/APX-72 generates a signal of what frequency when
interrogated? - CORRECT -1090 MHz
\The interrogator works in conjunction with what other aircraft
system? - CORRECT -The radar.
\What component of the interrogator set is used to select SIF reply
codes for Modes 1, 2, and 3/A? - CORRECT -C-
7383/APX-76(V) control box
\What component monitors the timing triggers, pre-triggers, gates,
and test video and causes the fault indicator lamp on the
interrogator control to illuminate when a fault has been detected
within the system? - CORRECT -Electronic
Synchronizer SN-416/APX-76(V)
\The APX-100 transponder set is available in what number of
configurations? - CORRECT -The system comes in two
configurations.
\To respond to Mode 4 interrogations, the IFF transponder set
system requires what additional components? -
CORRECT -Transponder Computer KIT-1/TSEC
