ANSWERS TO REVIEW QUESTIONS
A1. Every minute.
A2. Infrared beam.
A3. Tactical Environmental Support System (TESS).
A4. 12,000 feet.
A5. Via satellite.
A6. The display group and the sensor group.
A7. Time, air temperature, dew-point temperature, maximum and minimum
temperature, wind direction and speed, pressure, and rainfall.
A8. Through a data transmission line.
A9. To store backup observing equipment.
A10. Keep the shelter free of dirt and oil the door hinges.
A11. Alcohol and mercury.
A12. NAVMETOCCOMINST 3141.2 and NAVMETOCCOMINST 3144.1.
A13. To the nearest 1/10 of a degree at the top of the meniscus.
A15. NAVSEAINST 5100.3.
A16. Electric, sling, and rotor.
A17. Point the air intake into the wind and turn the fan motor on. After 60 seconds, read
the wet-bulb temperature at 10-second intervals until the temperature reads the
same for two consecutive readings.
Changing the wet-bulb wick, keeping the instrument clean and dry, changing the
batteries and light bulbs, and lubricating the motor.
A19. Twice every year aboard ship and every year at shore stations.
A20. Tap the face of the instrument and align the indicator arm over the reflection in the
mirror. Read the scale to the nearest 0.005 inch or 0.1 hPa and apply any
If the altimeter settings computed from the DASI are off by more than 0.02 inches
from the altimeter settings computed from the aneroid barometer.