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Air Traffic Controller Knowledge Flashcards

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

Read the first 7 Air Traffic Controller Knowledge flashcards as text
  1. What is the 'outer marker' used for in a traditional ILS approach?

    Answer: It marks approximately 4–7 miles from the runway threshold to initiate descent on the glide slope

    The outer marker is an NDB/marker beacon approximately 4–7 nautical miles from the runway, alerting crews they are on the localizer and should intercept the glide slope.

  2. Which airspace class requires a clearance and two-way radio communication for both VFR and IFR aircraft?

    Answer: Class B

    Class B airspace (around the busiest airports) requires an explicit ATC clearance before entry for all aircraft, regardless of flight rules.

  3. A controller who issues a 'short approach' instruction is asking the pilot to:

    Answer: Reduce the length of the traffic pattern to land sooner

    A short approach instruction directs the pilot to cut the downwind or base leg of the pattern to expedite sequencing.

  4. What radar tool do controllers use to project where an aircraft will be in the future based on current track?

    Answer: Leader line or track vector

    Leader lines (track vectors) extend from the aircraft symbol in the direction of travel, giving controllers a projected future position.

  5. Under what condition would a controller issue a 'low altitude alert'?

    Answer: When radar shows an aircraft is dangerously close to terrain or obstacles

    Low Altitude Alert Systems (LAAS) automatically warn controllers when a radar-tracked aircraft is approaching minimum safe altitude near terrain.

  6. What does the term 'progressive taxi instructions' mean?

    Answer: Step-by-step routing guidance provided to a pilot unfamiliar with the airport

    Progressive taxi instructions are issued turn-by-turn to assist pilots navigating complex or unfamiliar airport layouts.

  7. What is the primary purpose of the Military Operations Area (MOA)?

    Answer: To separate military training activities from IFR traffic

    MOAs are established to contain nonhazardous military flight activities and separate them from IFR traffic, while VFR flight is permitted at pilot's own risk.