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Numerical Memory and Differences Flashcards

7 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 7 Numerical Memory and Differences flashcards as text

  1. A departure time is 1748Z and the estimated flight time is 2 hours 35 minutes. What is the estimated arrival time?

    Answer: 2023Z

    1748 + 2h35m = 2023Z.

  2. You memorize four squawk codes: 2643, 2634, 2346, 2364. Which code has the digit 6 in the second position?

    Answer: 2643

    In 2643, position two (from left) is 6.

  3. An aircraft requests FL390 but is assigned FL370. How many feet below the requested altitude is the assigned altitude?

    Answer: 2,000 ft

    FL390 is 39,000 ft and FL370 is 37,000 ft; the difference is 2,000 ft.

  4. A speed sequence reads: 280, 265, 250, 235. If the pattern continues, what is the next value?

    Answer: 220

    The sequence decreases by 15 each step; 235 − 15 = 220.

  5. Two aircraft have beacon codes 4573 and 4537. Which digit position differs between them?

    Answer: Position 3

    Codes 4573 and 4537 differ at position 3: 7 vs 3.

  6. A list of five frequencies is presented: 119.1, 118.9, 119.3, 118.7, 119.0. Which frequency is the median?

    Answer: 119.1

    Sorted: 118.7, 118.9, 119.0, 119.1, 119.3 — the median (middle) is 119.0.

  7. You see the number 58274 displayed briefly. Later you are asked to identify the number with those exact digits rearranged: 52874. Which digit changed its position the most?

    Answer: 2

    The digits 8 and 2 swapped positions (positions 2 and 3), making digit 2 the answer as it moved from 3rd to 2nd place.