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Dial Reading and Gauge Interpretation Flashcards

6 cards from real ATSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Dial Reading and Gauge Interpretation flashcards as text

  1. A tachometer reads 2,400 RPM. If RPM decreases by 15%, what is the new reading?

    Answer: 2,040 RPM

    Fifteen percent of 2,400 is 360, so 2,400 minus 360 equals 2,040 RPM.

  2. Two aircraft are separated by 5 nautical miles on radar. The minimum required separation is 3 nautical miles. How much buffer separation exists?

    Answer: 2 nautical miles

    The buffer is the actual separation minus the required minimum: 5 − 3 = 2 nautical miles.

  3. A temperature gauge reads -20°C outside. The cabin temperature is +22°C. What is the difference between outside and cabin temperature?

    Answer: 42°C

    The difference between +22°C and -20°C is 42°C (subtract a negative equals addition).

  4. A radar scope shows an aircraft at bearing 090 and range 20 miles. A second aircraft is at bearing 270 and range 20 miles. How far apart are the two aircraft?

    Answer: 40 miles

    The two aircraft are on directly opposite bearings from the radar, so their total separation is 20 + 20 = 40 miles.

  5. An aircraft transponder code is set to 7600. What does this squawk code indicate?

    Answer: Radio failure

    Squawk 7600 is the universal code for loss of communication (radio failure) on an aircraft.

  6. A gauge shows fuel burn rate of 120 gallons per hour. If 360 gallons remain, how many hours of flight time remain?

    Answer: 3 hours

    Dividing 360 gallons by 120 gallons per hour gives exactly 3 hours of remaining flight time.